Mercury 40 hp 4 stroke idle adjustment 56. When running on a flushette, the idle rpm for the different shaft length engines are as follows: the idle rpm for the different shaft length engines are as follows: 20 What controls idle on a 2006 mercury 25 hp efi? By chatting and providing personal info, you understand and I just today bought 2006 mercury 40 hp efi 4 stroke engine It does not have controls my question is what controls will I. However, it was shot so that is why just cleaning it didn't work. 39. adjuvantjfoster New member. He changed the thermostat and it's purring like a kitten. Bore and stroke: 2. Jul 29, 2001 #1 HI. Idle adjustment 20 hp mercury 4-strokeMercury model 40, 4hp gnat outboard idle adjustment lever knob with Mercury 40 hp 4 stroke problemsIdle mercury outboard stroke 2000 increase do motor. Turn the Mercury’s idle adjustment screw to the left until the motor barely continues to run by inserting a screwdriver into it at the bottom of the carburetor. Step 2 - with motor running turn Idle adjustment screw to set idle - note works best if done with the motor in the water. You can't adjust the idle yourself, you'll need to take it to a shop. Keep in mind that if you set the idle in Check Details Mercury 40 hp 4 stroke problems. Mercury 4-stroke impeller change 4-5-6hp, 54% offHow to adjust idle on 40 hp mercury outboard Mercury 40 hp 4 stroke problemsMercury 4hp 4 stroke. craptacular. It starts right up and idles but if I turn the throttle up it stops running almost immediately. Can someone tell me the correct manner to adjust these idle mixture screws Some of the newer Merc 4 stroke motors hide the idle adjust screw under the plastic cover, & you may need to drill a hole thru the plastic to get to it easilylike I did on my As for your idle, that motor should be adjusted in the water and under load to get the correct back pressure. Erratic Idle Speed. I rebuilt all four and tuned it using a mercury carb synchronizer ($40 - JC Whitney online). Mercury 4-stroke installation operation maintenance warranty manual pdfCommon mercury 40 hp 4 stroke problems, causes, and solutions Mercury 6hp outboard: q&a on idle adjustment, carburetor diagram, and moreMercury stroke 60 hp efi outboard bigfoot 60hp 2005 elpt boat Outboard Motor Mercury 4-Stroke 9. Thermostat was causing rough idle. When I last winterized it, Stabil in gas tank, fogged it, drained the carb float bowls, filled the float bowls with Stabil, squirted fogging oil into the cylinders. Thread starter gw09; Start date Jun 9, 2009; G. Idles The next step after this would be checking that valve adjustment, and Idle adjustment stroke mercuryMercury 40 hp 4 stroke problems Mercury 90hp 4 stroke problemsI have a 2018 mercury 4 stroke 60 hp, every since it was new tach is. 6-11 Model 4 1976-1981; Remove the engine cowling. This manual has been written and published by the Service Department of Mercury Marine to aid our dealers’ mechanics and company service personnel when servicing the products described herein. Installed a new carburetor in the motor starts and runs great. Let's solve this problem together! My mercury 150 4 stroke idles rough and will stall when idling. ) The document outlines sections in a service manual for outboard motors. I recently bought this 8hp 4 stroke mercury from the year 2007 and iFuel pump for mariner mercury 4hp 5hp 6hp 4 stroke outboard replaces 2005 50 Idle adjustment 20 hp mercury 4-stroke. Ihave a 2001 40 hp 3 cylinder 4 stroke. As one of the other The parameters for adjusting the carburetor on a Mercury outboard involve both the idle speed screw that controls the motor's speed at idle, and the mixture screw that controls the fuel-to-air I'd like to completely learn how to properly adjust my shift and throttle linkage. 63 in. Fix Machine. Reply. When you get it in the water try throttling up, if it boggs then open the screw 1/8 turns and I have a 2005 Mercury 90 hp 3 cylinder two stroke Saltwater version motor on my Montauk 17 and I would also like to hear some discussion regarding the idle speed adjustment on these motors. Customer Service. ) Trim system Manual, 6 positions Mercury/Quicksilver 2‑stroke engine oil 1: Engine oil mixing ratio Unleaded gasoline 50 Mercury/Quicksilver gear oil API GL5, Gear oil SAE #80–90, approximately 370 mL Page 44: Component Identification Mercury 4 stroke efi 60 hp running at idle( stumbling and black smoke) Runs fine from 2000 rpms and up just bad idle Where is the manual release valve located on 40 hp mercury. I have seen this problem with the fuel line cause all kinds of problems from what you are describing to an amperage over draw warning. Sep 15, 2010 #1 This is newly unboxed 2010 Mercury 4 stroke 6HP long shaft with Re: Need help. Running WOT etc works great. 07-11-2011, 07:14 AM. Make sure to rotate the 1. Sep 15, 2010 #1 This is newly unboxed 2010 Mercury 4 stroke 6HP long shaft with [Archive] Merc 50hp 4 Stroke Carb'd Merc 50hp 4 Stroke Carb'd - running rough @ idle etc. Start your Mercury 40 horsepower motor and allow it to idle. Comprehensive explanations of all installation, RPM Idle Mixture Screw Adjustment Preset (Turns Out) Timer Base: With the engine NOT RUNNING but in forward gear, have someone advance the throttle slowly from the idle position to full throttle while you observe the timer base. I have a 1992 Merc 40 2 stroke 4 cylinder I have owned since new with WMA carbs that ran great 4 years ago; now, it won't idle. I believe its 2-2 1/2 turns from closed. Fuel Go. Don't confuse this idle mixture adjustment with the idle speed screw which is different. and the idle air control valve warning came on the vessel view . we were out 140 something kilometres from mackay harbour. If you have trouble with cold starts add another 1/4 Re: Mercury 115 4-stroke idle problems Alan, Welcome aboard. Prett Mercury 2-stroke outboard motors are highly regarded in the boating world for their reliability, performance, and efficiency. Interesting that you mention an air screw as opposed to a fuel mixture screw. That stuff helped TREMENDOUSLY. It was bought in 2008 and has less than 10 hours on it. Thread starter cleco; Start date Jul 17, 2016; C. If you'd like, make sure the throttle cable has a slight amount of play when the throttle is moved to idle, so the plate is fully closed. The IAC should be heard clicking and drawing air in when the engine is at idle and the hood is off. Setting Trim Angle While Running Engine at Idle Speed. Apr 22, 2014 #1 Hi all, Mercury 90hp 1988 Once you have a nice smooth lean adjustment turn the needles out rich 1/4 turn to protect the motor and boost acceleration. They feature efficient, lightweight designs that ensure no power goes wasted – the ideal way to get wherever you want to explore next. Thread starter ibcaveman; Start date Aug 16, 2010; I. edmundo New member. 40 4-Stroke outboard motor pdf manual download. I felt defeated and went back to the manual for the 40th time. Mercury 40 hp 4 stroke problemsIdle adjustment hp Idle adjustment on yamaha f115 4 strokeIdle adjustment 20 hp mercury 4-stroke. Thread starter bassforme; Start date Mar 10, 2018; B. More low-end torque for excellent acceleration. Rough idle, 2002 115 hp 4 stroke fuel injected idles rough, good top end cleaned injectors, changed plugs, new This year my uncle passed away and left me his bass boat, a 2003 Bass Tracker 175PT with a 40hp 2-stroke Mercury, model 1041412AN, serial 0T639148, manufactured in 2002. It would start, but die as soon as the choke was pushed in. 9 cu. 0 mm) Idle Speed NOTE: Outboard should be completely warmed up for the idle speed adjustment. 5hp Merc as well. 0-16. Check Details Idle Check Details Installing new mercury four stroke 40 hp command thrust outboard. 40/50 Series outboard motor pdf manual download. 1C-6 Propeller Information Chart - 40 HP . If the throttle linkage is moving the cables are configured correctly. Mercury 4hp 4 stroke Idle adjustment 20 hp mercury 4-strokeIdle adjustment stroke mercury. Move the throttle lever to the full retard position and the carburetor shutter plate to the fully closed position. Thread starter michael54; Start date Jan 7, 2018; M. 0 mm/0. mercury 40 hp 4 stroke carb I worked on a 2004 Mariner 40hp 4 cyl this summer with a carb problemhad three carbs. Called Mercury - problem is not under warrenty. Setting of idle/low speed screws. Tore the carb apart but missed removing the I have recently purchased a 1999 mercury 90 hp 3 cylinder. I have a 2018 mercury 4 stroke 60 hp, every since it was new tach is Mercury 40 hp 4 stroke problems Yes, its a 3 cylinder, EFI, 40 hp. Rough idle, 2002 115 hp 4 stroke fuel injected idles rough, good top end cleaned injectors, changed plugs, new filters, 2005 Mercury 115 HP 4 stroketrim/tilt works View and Download Mercury 30, 40 operation and maintenance manual online. This manual is intended as a handy, easy to read reference book for the mechanics and DIY persons. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. The motor only has about 30 hours on it. How to adjust idle on 40 hp mercury outboardInstalling new mercury four stroke 40 hp command thrust outboard I have a 2018 mercury 4 stroke 60 hp, every since it was new tach is3 approaches for fixing mercury 4 stroke efi problems. January 23, 2017 at 11:33 pm. in. Page 9 30-40 Hp (2 Cyl. Insert a screwdriver into the Mercury's idle adjustment screw, located at the bottom of the carburetor, and turn it to the left How to adjust the idle on many mercury outboards I have a 2004 Mercury 40 horse power 4 stroke (three cylinder) with EFI. Page 1: Table Of Contents MAINTENANCE Trim Tab Adjustment The trim tab can be adjusted within limits to help 40 hp evinrude can't idle properly, and finaly stops. Adjust each carb to best idle + 1/8 to 1/4 turn, ideally, adjust out on the water a blade width at a time each, just until any throttle hesitation is gone. Thread starter adjuvantjfoster; Start date Sep 15, 2010; A. 61 inches OGXXXXXX of mercury. If all of the four area above are okay, My 25 hp Mercury efi 4 stroke idles to high. If it is the gray small diameter fuel line and it is old, chances are the inside has collapsed. Yamaha Mercury Honda Evinrude Suzuki Johnson Tohatsu Mercruiser Motorguide Prop Finder Outboard Motor Sale Outboard Motor Mercury 4-Stroke 9. People also inquire as to how to adjust the idle on a Mercury outboard motor. Joined Jul 23, 2016 Messages 4. Jump to Latest 4. I have a 2007 Mercury 40 hp 4 stroke efi outboard. Common The only other adjustment is max spark advance. Use the following information when making idle speed adjustments on your Mercury outboard engine. Pushed key in to choke and turned, no start. Will not idle on low speed. Thread starter edmundo; Start date May 16, 2016; E. View and Download Mercury 40 SeaPro operation, maintenance & installation manual online. 95" / 65 x 75 mm; Ignition: ECM 70; Fuel system: Electronic Fuel Injection (EFI) Throttle and Shift Cable Adjustment – by Joe Reeves The exception to this rule would be the smaller horsepower engines, usually the smallest up to about the 25hp class. Engine Oil ENGINE OIL CAPACITY Capacity Fluid Type Mercury Precision Parts or Quicksilver Synthetic Blend 25W‑40 4‑Stroke Outboard Oil 3. 005 inches to 0. The tag on the motor states an idle speed of 775 rpm in gear. 40 Jet outboard motor pdf manual download. Check Details Mercury 4-stroke impeller change 4-5-6hp, 54% off. 7 Full Throttle RPM Range 5500‑6000 RPM Number of Cylinders Idle Speed in Forward Gear Mercury & Mariner Outboards . Good hole shot, good speed proper RPM at wide open throttle = good. [Archive] Merc 50hp 4 Stroke Carb'd Merc 50hp 4 Stroke Carb'd - running rough @ idle etc. 9 15 HP ” Mack. Any thoughts on that would be helpful as well. I have a 2002 Mercury 40hp / 2-stroke/ oil injected outboard and this is 2 cylinder. Permalink. It is Mercury 40 HP Tiller Outboard Motor - 2025 Item # 1378062. Starts good. With the Allow your Mercury 40 horsepower motor to idle before starting it. the motor runs great, but I want to bump up the RPM's up just one-hundred rpm higher after its in just mugged into gear. 9 15 HP 1989-2006 04 Mercury 8hp 4 stroke Kicker-Idle problem. Paulette Carpenter Guest. Merc 90. I have a 2018 mercury 4 stroke 60 hp, every since it was new tach is Mercury 40 hp 4 stroke problems Mercury 4-stroke impeller change 4-5-6hp, 54% off. Erratic idle speed is a common issue that might affect the Mercury 40 HP 4-Stroke engine. If you remove the engine cowling, and look at the motor from the front, it is located to the right of the Re: Mercury 3. you will have a clean powerhead that requires a small adjustment. Section 1 provides important specifications and information. Joined Jul 21, 2004 Just put a carb kit in it and i want to know the procedure for setting up the idle adjustment knob, if i turn it all the way clockwise it just barely idles, and if i turn it 2004 Mercury 40 HP 4-stroke EFI running rough at idle. Home. It is part 6 in the diagram. I have a new impeller and a good tell The Mercury 9. Jun 9, 2009 #1 "Please help! I have a 2008 M "Please help! I have a 2008 Mercury 50 Hp 2 stroke. Idle adjustment on yamaha f115 4 strokeCommon mercury 90hp 4 stroke problems and how to fix them I recently bought this 8hp 4 stroke Book Excerpt: 1965-1989 Mercury 2-40 HP 1-2 Cylinder 2-Stroke Repair Manual TIMING AND SYNCHRONIZING: IDLE RETARD ADJUSTMENT. The reason the adjustment screws are covered--(not sure about the 40, but absolutely the 50/60 version has them) is an EPA requirement--you're breaking the law if you change them, and it won't idle unless you do. Also for: 40/50mh, 40/50eh, 40/50ehpto, 40/50eo, 40/50epto, W50mh, 40/50eho, W50eo, W50ehpt. I'll take a look at it & see how it's set up. So basically when i had the motor idling where it sounded good but the tach read 2000 rmp it was actually at 900 - 1000 rpm's. 5 turns. 40 yrs. Now, before I'd focus on dealing with the idle issues, I'd focus on the carbs. 25/30 4-Stroke EFI Manual Start Starboard View. Idle charge battery-management technology on the 150hp engine automatically increases View and Download Mercury 40/50 Series manual online. I have cleaned the carbs ran mercury power tune threw it and added sea foam. 44. cptdanny Recruit. Has been in the garage for 4 years and not used. It preforms great once your going just off idle is the Re: Merc 90 hp 4 stroke - rough idle no power Went fishing yesterday with my smooth running four stroke pressing me onward!!!! As many of you suspected it was indeed the carbs. If SAE 10W‑30 oil is preferred, use Mercury or Quicksilver NMMA FC‑W certified 10W‑30 4‑Stroke Outboard Page 46: Checking And Adding Engine Oil Re: Mercury 40 hp won't idle Hey All, Thanks for the advice. View online or download Mercury 40 TwoStroke Operation, Maintenance And Installation Manual, Operation, Maintenance & Installation Manual Steering Friction Adjustment - Tiller Handle Models. Engine starts perfect, idles and slow speed perfect, full speed perfect. I taped the primer bulb in a almost vertical position and the engine will not even plane the boat it is running so bad, When i lay it down horizontal in the well it runs fine but will still stall at idle more often than not. " Reply. Steve 2006 Mercury 15hp 4 stroke. Try pumping 10. mercury. Don't buy I have an 05 Yamaha 40 hp four stroke that has had a problem for a while. into the water. Timing Belt Allow your Mercury 40 horsepower motor to idle before starting it. Try this: Leave the boat on the trailer or tie it to the dock. Warm the engine thoroughly, in gear, keeping it - I've got a 2005 Mercury manual start 15hp 4 stroke kicker, that started acting up yesterday. FuzzyGrub 89 Evinrude 90 HP V4 hard starting issue? Tinny Fleet; Feb 5, 2024; Motors; Replies 9 Views 2K. It will start and idle but when i Re:02 Yamaha f115 tlra 4 stroke rough idle and stall Re:02 Yamaha f115 tlra 4 stroke rough idle and stall I am still trying to figure this out. Find a Dealer. Customer: how to adjust the idle on Murcury 40hp EFI Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. Mercury model 40, 4hp gnat outboard idle adjustment lever knob withCommon mercury 90hp 4 stroke problems and how to fix them 3 approaches for fixing mercury 4 Page 1 25 / 30 EFI & 25 EFI Jet S E RV I C E MA N U A L; Page 3 NOTE: Indicates information that helps in the understanding of a particular step or action. Push the choke back in and it will only idle. Joined Sep 26, 2009 Messages 3. 2. 7 Kilovatios 44,7 Full Throttle RPM Range 5000-5500 RPM RPM máximas 5000-5500 RPM Idle Speed in Forward Gear 650-700 RPM Aceleración del ralentí en marcha hacia ade- 650-700 RPM lante Alarm sound on Mercury 40hp EFI 4-stroke -02 at high (idle) speed? Thread starter cptdanny; Start date Aug 15, 2016; C. 40. Engine Oil Recommendations We recommend the use of Mercury or Quicksilver NMMA FC‑W certified synthetic blend 25W‑40 4‑Stroke Outboard Oil for general, all‑temperature use. One runs like a top, and the other fails to idle. Thread starter Chadwick; Start date Oct 25, 2016; C. This does not normally splip as screw is either locked off or has spring tension be hind it. 9 idle speed adjustment procedure. My dealer was useless solving this problem. Is there an idle adjustme " Paulette, Yes there is an idle adjustment on your Merc. Idle adjustment on yamaha f115 4 strokeMercury 4 stroke idle adjustment: expert q&a Mercury 40 hp 4 stroke problemsMercury outboard - I've got a 2005 Mercury manual start 15hp 4 stroke kicker, that started acting up yesterday. Mercury outboard high idle problemI have a 2018 mercury 4 stroke 60 hp, every since it was new tach is Common mercury 90hp 4 stroke problems and how to fix themMercury hp 50 2005 idle. Re: 1998 mercury 150 idle mixture screw adjustment Well after driving myself crazy trying to fix this rough idle situation, i get a call from my mechanic telling me i have a bad tachometer. I also asked the dealer about this to see if there is a fix. With boat tied securely to dock, start engine and allow it to warm up. Is a 115 merc 4 stroke to heavy for a 1994 Bayliner (1994) capri 1800 Mercury, im not sure, I am looking at buying this 40 yrs. 3 thoughts on “ Mercury Outboard Idle Adjustment 6 8 9. There are plenty of good reasons these outboards rule the water. How to service a two-stroke How to Adjust Valve Clearance Mercury 30/40 HP (1999-2002) 4-Stroke outboard engine. Ignition Specifications. 3K views 2 replies 3 participants last post by texasislandboy Jun 1, 2016. 15hp 4-stroke throttle adjustment question Idle adjustment on yamaha f115 4 strokeMercury outboard high idle problem. Mercury model 40, 4hp gnat outboard idle adjustment lever knob withIdle adjustment hp Idle mercury outboard stroke 2000 increase do motorHow to adjust idle on 40 hp mercury outboard. 47-0. 9 HP Installation Manual (6 pages) Outboard Motor Mercury 25 Jet 4-Stroke Manual (122 pages) Outboard Motor Mercury 40 4-Stroke Manual (93 pages) Summary of Contents for Mercury Motor: 1994 Force 40hp (serial # 0E067660) [FONT=system-ui, -apple-system, system-ui, . There are 2 throttle valves on this engine, the main throttle body, and what is called an IAC valve. If I could file something off it would have been done. 198 inches BTDC and make sure it don’t move advance the throttle until the points just close at that point set the stop screw to just touching the tab. Mine idles at 1000 View and Download Mercury 40 FourStroke service manual online. Ok, the crashed boat rebuild has went great, now on our 3rd time out the boat started up and began to idle very high and putting it in gear was extremely dif View and Download Mercury 40 4-Stroke manual online. To decrease idle speed, turn it counterclockwise. Quarts) Mercury How to Test Stator Evinrude E-TEC 40 50 60 65 70 90 HP How to Remove and Install the Gearcase on 75 and 90 HP Evinrude E-TEC Outboards Idle wire adjustment. Runs good. This way I can learn Ive got a Mercury 30hp 4 stroke year 2000. Which can be a problem with the idle screw adjustment, the idle stop screw adjustment. In this blog post, we’ll explore common problems associated with Mercury 2-stroke outboard engines and provide detailed, View and Download Mercury 40 Jet manual online. Thread starter green4themoney; Start date Sep 13, 2019; G. Boat Engine Parts Mercury 60 hp 4 stroke 2013 Stalling between 1000 and 2000 rpm. Installing new mercury four stroke 40 hp command thrust outboard Idle vst yamaha stroke f115 I have a 2018 mercury 4 stroke 60 hp, every since it was new tach is. 07-11-2011, 07:40 AM. Thought it may have been a new sticky! I need to do the same to my Force 125. I recently drained the fuel tank for the It's a 2006 Merc Bigfoot 4 stroke 40 hp, the most the owner would allow me to do is to test drive his pontoon boat, I am not allowed to take the motor out to the marina to have it checked out Knocking, clicking, chugging, failure to start, failure to idle = bad. Noel Schembri. 30 Throttle Grip Friction Adjustment ‑ Tiller Handle Models (as applicable) 40 I have a 2004 60 HP Merc 4 stroke, at idle I get 850 rpm's, there is a exposed screw on the throttle stop but it does not have a slot for a screw driver, one dealer told me it is Mercury model 40, 4hp gnat outboard idle adjustment lever knob withI have a 2018 mercury 4 stroke 60 hp, every since it was new tach is I recently bought this 8hp 4 stroke 2017 mercury 40 hp 4 stroke runs rough, and at around 2500 rpm sounds like something is hitting the plastic. Check your fuel line from the tank to the engine. Single Engine Joystick ; a local Mercury Authorized Dealer is the best source for genuine Mercury parts, expert advice and factory-trained technicians. 3. 1897 I have a two stroke 1983 mercury 40 outboard that will idle fine and run great until you get to about 75%-100% throttle then it would stutter then die. Also for: 30 fourstroke. 1C-4 Propeller Information Chart - 30 HP . Move the throttle to the "Idle" position. Mercury 50 hp, 4 cyl, 1984 Model, Idle problem. - It's been idle (stored) for the last 3 months. - Stored w/Stabil and ran dry. Find the middle and go in about 1/4 turn. SFNSText-Regular, sans-serif] I bought the service manual jerryjerry recommended and am trying to adjust the idle speed. 4 29. Where is idle adjustment on a new 2010 4 stroke 6 HP Mercury. ) – Throttle Cable 4. Mercury model 40, 4hp gnat outboard idle adjustment lever knob with Idle adjustment 20 hp mercury 4-stroke Idle adjustment 20 hp mercury 4-stroke How do you adjust the on a 15 hp mercury four stroke outboard 2007 with elec start. 796 in As well as an inability to monitor air intake. 40 SeaPro outboard motor pdf manual download. As one of the other posters said, secure it safely to the dock and put into gear. green4themoney Petty Officer 1st Class. IIRC, the 2002 and 2004 Mercury 50 horse 4-strokes are identical, also identical to my 2006. There is a footnote in the manual that says - if the engine is Outboard Motor Mercury 4 4-Stroke Manual (50 pages) GENERAL INFORMATION 55/60 SeaPro/Marathon Specifications Models Horsepower Kilowatts 40. 00. Idle Timing Adjustment (All Models) 160. The screw you're showing is the idle mixture which of course will affect idle speed when it's turned but I think Matt is looking for adjustment of the base idle speed. 45. Oct 25, 2016 #1 My 60 hp 4stroke Mercury is surging at idle and stalls on acceleration. Dissassemble if necessary and reassemble. What year and models to these instructions apply to? Reply. to a higher speed. Thread starter Paulette Carpenter; Start date Jul 29, 2001; P. The origional owner did not winterize it properly, and a gunked up carb is my #1 suspect right now. 26782 WARNING Sitting or standing in an area of the boat not Re: Mercury 40hp gear and throttle set up Remove the engine cover and have someone move the throttle lever. I have run a ton of carb cleaner through, as well as sea foam. The ideal idle speed should be Mercury 4 stroke idle adjustment: expert q&a3 approaches for fixing mercury 4 stroke efi problems Common mercury 40 hp 4 stroke problems, causes, and solutionsIdle adjustment on yamaha f115 4 stroke. turning the idle adjustment screw on the top of the carburetor makes no difference. 5 Full throttle RPM range 5000–5500 RPM Idle speed in forward gear 650–700 RPM Number of cylinders Piston displacement 965 cc (58. bad diaphragms I've got a 60 hp and had a issue when at wot sometimes it would just drop to a idle, changed the fuel lines bulb everything, bulb stays soft on them, the pump was my problem, no rebuild kit available, $150 for a new pump with upgraded diaphragms , easy to do yourself, no How To Adjust A Mercury 2-Stroke Carburetor 6 8 9. Had a problem of no starts, poor idle quality etc. I tried your suggestion but it did not work. Mercury 40 HP 4 Stroke Problems - Causes, Solutions, and Prevention Tips. My last boat was a 4 stroke so I have been away from the ins and outs of 2 strokes for almost 10 years. I recently bought this 8hp 4 stroke mercury from the year 2007 and iHow to adjust idle on 40 hp mercury outboard Idle adjustment 20 hp mercury 4-strokeIdle adjustment 20 hp mercury 4-stroke. Turning the pilot screw ( the one Dan, The pics you are showing are for the cable installation and not the idle speed, is yours a new engine if it is you may find that the idle speed is adjusted by altering the timing using idle adjust screw. Page 10: Shift And Throttle Cable 40-50 Hp (3-Cyl. Page 25: Boat I have a 1999 two stroke 90 hp runs fine on the hose but out on the water must be started in the high idle position and will only idle in Neutral for two to three mins before stalling. Boat Engine Parts Mercury outboard manuals Nissan outboard manuals Suzuki outboard manuals Tohatsu outboard manuals Yamaha outboard 2006 15 HP Idle adjustment. Cleaning Care Gurnard. S. This motor has just been rebuilt How to adjust idle on 40 hp mercury outboardInstalling new mercury four stroke 40 hp command thrust outboard I have a 2018 mercury 4 stroke 60 hp, every since it was new Mercury 40 hp 4 stroke problems. Description. When you get it in the water try throttling up, if it boggs then open the screw 1/8 turns and Mercury 40 hp 4 stroke problems Fixed my rough idle + stall problem 60hp efi mercury outboard 2005 four Idle adjustment stroke mercury Mercury 4 stroke idle adjustment: expert q&a. A. Tan. - Yesterday (03/16/2011) was first start up. 40 JET FOURSTROKE outboard motor pdf manual download. That sounds like the idle adjustment. 09974454 and ABOVE 1997, Mercury Marine 90-852572R1 JANUARY Topic: 2001 Mercury 115 FOURSTROKE EFI Idle Adjustment: rired: posted 06-02-2008 11:26 AM ET (US) Is there a way to adjust the idle speed on [a 2001 Mercury 115-HP EFI mercury 40 hp 4cylinder 2 stroke carb issues. Mercury hp 50 2005 idleI recently bought this 8hp 4 stroke mercury from the year 2007 and i I have a 2018 mercury 4 stroke 60 hp, every since it was new tach isMercury 4-stroke impeller change 4 My mercury 150 4 stroke idles rough and will stall when idling. I think most of the EFI, 4 strokes idle How to adjust idle on new Mercury four stroke 150. I have the 2006 factory service manual at home- will take a look tomorrow. Idle Adjustment 20 hp Mercury 4-Stroke - Cows Unite Check Details Mercury 15HP 4-stroke Throttle Adjustment Question - The Hull Truth Mercury 40 TwoStroke Pdf User Manuals. debris contaminating the idle circuit which will need to manually be removed. screw facing outboard. we came back to the harbour sitting on around 40 to 43 kilometres an hour safely. Check Details Mercury 4 2006 mercury 9. if it's better you either need to adjust the idle air mixture richer or disassemble and clean the carb. Donald Boyer Member. 8 Full Throttle RPM Range 5000‑5500 RPM Installing new mercury four stroke 40 hp command thrust outboard Idle adjustment 20 hp mercury 4-stroke Idle vst yamaha stroke f115 adjustment control manifold filter problem 2011 screw shows right thehulltruth shown unit above side back My mercury 150 4 stroke idles rough and will stall when idling. You adjust the trunion on the cable. Mercury 4 stroke idle adjustment: expert q&aMy mercury 150 4 stroke idles rough and will stall when idling. According to the manual for a 97 and newer 25 hp, the idle should be set at 750 +/- 50 RPM in forward gear. Check Details How to adjust idle on 40 hp mercury outboard. MAINTENANCE Engine Idle Speed Adjustment 1. Please try again. 5 HP 4 stroke outboard with about 15 hours run time on it that I bought awhile back. As for your idle, that motor should be adjusted in the water and under load to get the correct back pressure. Thread starter Donald Boyer; Start date Apr 22, 2014; D. 993 in. Tighten the cam-follower screw and turn the idle-speed screw inward until there is a gap of 0. Installing new mercury four stroke 40 hp command thrust outboard Mercury model 40, 4hp gnat outboard idle adjustment lever knob withMercury 15hp 4-stroke throttle adjustment question. Page 1 SERVICE MANUAL MODELS 40·50·55·60 With Serial Numbers United States 0G531301 and ABOVE Belgium . Mar 6, 2024 I think the first step is to find a diagram for my 40 HP FORCE MERCURY 1999 model that will help me describe things using the right terminologies. Mercury outboard high idle problemCommon mercury 40 hp 4 stroke problems, causes, and solutions Mercury 90hp 4 stroke problemsHow to make a 25 hp mercury faster? new. Whether that be a carbureted two-stroke, a carbureted four-stroke, a fuel-injected two-stroke, direct injection two-stroke, or a fuel-injected four-stroke or direct injection four-stroke. After the engine is warm then work the screw in and out noting where it is running rich and lean. Sign In Outboard Motor Mercury 40 4-Stroke Manual (93 pages) Outboard Motor Mercury 50 4-Stroke Manual (as applicable) 40 Jet 4‑Stroke Specifications Models 40 Jet Horsepower Kilowatts 29. My Account; 3 Common Mercury 4 Stroke Outboard Motor Problems: 1. May be as simple as carb adjustment or proper Sync-n-Link settings. Move the throttle cable sleeves up or down in the mounting bracket until the cam-follower roller until is centered over the raised mark on the cam, and tighten the cable jam nuts. 2000 Merc 40 / 4 stroke 2006 Mercury 90 HP 4-stroke idle problem. 5hp 4-stroke New, Wont Idle. GailT, ours wasn't as bad as just quitting, but putting it in our dock slip, etc. But these are solvable. Update. My serial number is 1B746836. 2° BTDC 4 0 4 20442 a c b a - Throttle Arm b - Idle Timing Screw c - Locknut NOTE: On this type of engine, idle RPM is adjusted exclusively with Mercury & Mariner Outboards . . May 16, 2016 #1 I FIXED my rough Idle + stall problem 900 -2000 RPM running hot 60HP EFI Mercury Outboard 2005 Four stroke engine! The engine starts fine and after runing for 2005 Mercury 60 hp 4 stroke surging at idle and stalling at accelerating. 160. Outboard Motor Does Not Start: The first common troubleshooting issue that most users complain about is when the mercury four-stroke motor suddenly fails to start like usual. 56 x 2. Check Details. 7 44. I had the same problem with my 5 hp. Rebuilding carbs need to know setting. It has never run better. Mercury 4 stroke 4 hp pilot jet screw idling problem. In some cases, the engine may crank slowly but still fails to start over. Basically, we did what you all said, and used the Seafoam. This could be due to fuel system issues, air intake problems, View and Download Mercury 40 4-Stroke manual online. Joe and I fixed it for free. Loosen the throttle cam adjustment screw. Re: 40 HP Force idle adjustment Possibly getting time to clean that carb. motor problem Mercury 6hp outboard: q&a on idle adjustment, carburetor diagram, and moreMercury 40 hp 4 stroke problems Mercury 40 hp 4 stroke problemsIdle adjustment hp. ibcaveman Recruit. GENERAL INFORMATION OTXXXXXX 20XX XXXX ob00319 Serial number Year manufactured Model year Certified Europe Insignia (as applicable) Model designation 40/50/60 4‑Stroke Specifications ‑ International Models Horsepower Kilowatts 29. was a pain. My mercury 150 4 stroke idles rough and will stall when idling. The manual makes I have twin mercury 150 4 stroke. 75 hours of use. basstracker2000 Recruit. I have a 2018 mercury 4 stroke 60 hp, every since it was new tach is Mercury 6hp stroke ports brass 2006 two there fuel replied ago years How to adjust idle on 40 hp mercury outboard Where is idle adjustment on a new 2010 4 stroke 6 HP Mercury. Typically, 700 rpm is a good starting point. Re: 1996 Mercury 90HP 2 Stroke - 90ELPTO - carb/idle problem, WITH PICS!!!! HELP go to that link, you have to click like download now, wait like 40 sec for download to begin, save it, it saves as a zip file so you have to unzip it. View online or download Mercury 30 EFI FourStroke User Manual 25/30 4-Stroke EFI Manual Start Front View. Figure 4 Boat transom or jack plate Transom clamp bracket Wedge/plate 54058 BOAT I'm not sure but I recently purchased a 1998 Mercury 15 HP 4 stroke. Help!! I am having fuel problems with my 3. Tell me a bit more about what's going on so the Marine Mechanic can help you best. meets all your information needs to repair or make some adjustments to your Mercury Mariner 40 HP 2-stroke. Idle Mercury 40 HP 4 Stroke Problems - Causes, Solutions, and Prevention Tips. 2° BTDC 4 0 4 20442 a c b a - Throttle Arm b - Idle Timing Screw c - Locknut NOTE: On this type of engine, idle RPM is adjusted exclusively with Here is a seldom talked about solution to an outboard engine that is hard to start and idles poorly. My solution was to drill out the access plugs and reset the idle screws to factory specs for initial adjustment. barronj Discussion starter. Page 24: Serial Number Location 30% relative humidity at 77°F (25°C) tem- perature and a barometric pressure of 29. Sections 2-4 cover electrical systems, fuel injection, and the powerhead. Make small adjustments at a time (1/8 to 1/4 turns) and observe how the engine responds. Fixed my rough idle + stall problem 60hp efi mercury outboard 2005 four3 approaches for fixing mercury 4 stroke efi problems 2005 50 hp mercury idleMercury 6hp outboard: q&a on idle adjustment, carburetor diagram, and more. I have always run various fuel stabilizers and most of the time premium fuel some regular but rarely. It runs nice and smooth with good power the only problem is when its idling or trolling at very low speed it keeps going to cut out. ) Stroke 71 mm (2. The idle is high so I I was at the marina yesterday when a friend's outboard (model 1F06211CK) quit as he was approaching the dock at idle. on my 2002 SunTracker pontoon boat. a Mercury 75 to 150hp FourStroke outboard is the perfect accessory for your next adventure. I am not a marine engine mechanic but this is a fix that Mercury Motors; 50 HP 2 Stroke Idle; Thread: 50 HP 2 Stroke Idle. 039 in. Mercury stroke 4hp Whether that be a carbureted two-stroke, a carbureted four-stroke, a fuel-injected two-stroke, direct injection two-stroke, or a fuel-injected four-stroke or direct injection four-stroke. Your setup is the same as on my Mercury 15 Gurnard and the idle speed screw is on the left of the carb (as referenced in your pic) and just behind the fuel pump. Trim Tab Adjustment. ) Cylinder bore 76 mm (2. Common mercury 40 hp 4 stroke problems, causes, and solutionsMercury 4-stroke impeller change 4-5-6hp, 54% off It is not possible to lower the idle, there is no adjustment. Or an issue with the idle air controller. Idle adjustment 20 hp mercury 4-strokeMercury 15hp 4-stroke throttle adjustment question My mercury 150 4 stroke idles rough and will stall when idling. ; Page 2 This service How to adjust idle on a Mercury outboard engine refers to the process of adjusting idle speed on a carburetor. Mercury 15hp 4-stroke throttle adjustment questionMercury 40 hp 4 stroke problems Common mercury Installing new mercury four stroke 40 hp command thrust outboard Idle adjustment 20 hp mercury 4-stroke Idle vst yamaha stroke f115 adjustment control manifold filter problem Mercury 15hp 4-stroke throttle adjustment question Idle adjustment 20 hp mercury 4-stroke How to adjust idle on 40 hp mercury outboard Installing new mercury four stroke 40 Mercury Outboard High Idle Problem - Mercury 30/40/50/60 High Idle. Tighten locknut (NO TAG) and turn off engine. Idle adjustment on 25hp mercury 1998. I am looking at a 16 ft 2005 Lund w/ a Mercury 40 hp 4 stroke EFI. Page 25: Boat Installing new mercury four stroke 40 hp command thrust outboardMercury 15hp 4-stroke throttle adjustment question Mercury 40 hp 4 stroke problemsIdle adjustment 20 hp mercury 4-stroke. and the motor is complelly different than the 50 & 60. If it sticks, find out why and correct that restriction. How to adjust idle on 40 hp mercury outboardI have a 2018 mercury 4 stroke 60 hp, every since it was new tach is Installing new mercury four stroke 40 hp command thrust outboardMercury 90hp 4 stroke problems. Fast idle speed is 1500 +/- 200 RPM. went to sugar city marine brought a new sensor idle air controller $248. The idle time seems to get shorter and shorter. Mercury 15hp 4-stroke throttle adjustment question Idle adjustment 20 hp mercury 4-stroke How to adjust idle on 40 hp mercury outboard Installing new mercury four stroke 40 hp command thrust Then it begin to be a little erratic at idle, but Go. When the engine was started the idle was quality was pretty Idle Problem 2008 Mercury 50 Hp 2 Stroke. 40 FourStroke outboard motor pdf manual download. 3 Float Height 0. How to adjust idle on 40 hp mercury outboardI have a 2018 mercury 4 stroke 60 hp, every since it was new tach is Installing new mercury four stroke 40 hp command thrust Before ordering literature, have the following information about your power package available: Model Serial Number Horsepower Year UNITED STATES AND CANADA For additional literature for your Mercury Marine power I've got a 2009 Mercury 3. otd62658 comes up as Serial Number not found. It should advance smoothly throughout that travel range. 8 37. mercury 60 hp 4 stroke efi stops running Check these links Carefully turn it all the way in and then back out 3 to 3. 4-Stroke. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 2005 50 hp mercury idle - YouTube. 00 service instead of fixing the Idle adjustment on 1975 Mercury 40 hp. its Mercury Outboard High Idle Problem - Mercury 30/40/50/60 High Idle. So I will start from the beginning. Idle adjustment hp. Shift outboard into gear a few times to activate the throttle linkage. Brought it into the dealer last week (after winter storage) and you were right - it was the idle air control valve. I thought maybe the idle speed was too low so I took off the cover and examined the carb to bump the idle up a bit. Mercury 15hp 4-stroke throttle adjustment question Re: Mercury 90 HP 2-Stroke Rough Idle and accelaration Idle mixture on 2-strokes have to be a bit fatter than 4-strokes to allow just enough 'richness' for acceleration. Shift and throttle Linkage - complete adjustment procedure I got excited. cleco New member Mercury 30 EFI FourStroke Pdf User Manuals. Put the piston at TDC and you measure the stroke I just use a caliper put the piston . Page 23 Propeller Selection . Mercury 40 hp 4 stroke problemsIdle mercury outboard stroke 2000 increase do motor Mercury 4-stroke impeller change 4-5-6hp, 54% offMy mercury 150 4 stroke idles rough and will stall This 2004 bigfoot on a tracker 21 has run well until today. 30, 40 outboard motor pdf manual download. Check Details Mercury 15hp 4-stroke throttle adjustment question. Just off idle it hesitates and will die especially when cold and will still do it when hot but not every time. FourStroke 75-150 hp. gw09 New member. on my 2001 Mercury 90-HP four-stroke. Sections 5-7 address the mid Video and troubleshooting tips on how to quickly diagnose problems with an outboard motor that wont idle. Maximum Timing Adjustment (All Models) 160. Installing new mercury four stroke 40 hp command thrust outboard Idle vst yamaha stroke f115 adjustment control manifold filter problem 2011 screw shows right thehulltruth shown unit above side back Mercury 4 stroke idle adjustment: expert q&a Mercury 4 Stroke Idle Adjustment. Idle adjustment stroke mercuryMercury 40 hp 4 stroke problems Mercury 90hp 4 stroke problemsI have a 2018 mercury 4 stroke 60 hp, every since it was new tach is. Common mercury 90hp 4 stroke problems and how to fix themIdle adjustment stroke mercury Mercury outboard throttle cable diagramFuel pump for mariner mercury 4hp 5hp 6hp 4 Re: merc / tohatsu 25 hp 4 stroke EFI - surging idle ? Hey BF, its does the samething with my motor! It is annoying when you need to shift from one gear to another in a hurry. View and Download Mercury 40 JET FOURSTROKE operation, maintenance & installation manual online. It 2001 50 hp mercury 4 stroke idle mixture caps were missing when engine purchased. Thread starter davio47; Start date May 23, 2011; D. the idle air mixture screw is located behind a brass plug near the idle speed adj. I presume this is a 2 stroke engine and not a 4 stroke? If so then, the link below should help with your engine idle set up, MERCURY 75 HP OUTBOARD: TIMING SPECS, IDLE ADJUSTMENT, Q&A By chatting and providing personal 40 yrs. propeller shaft while shifting into reverse. NOTE: Turning the idle speed adjustment screw Before ordering literature, have the following information about your power package available: Model Serial Number Horsepower Year UNITED STATES AND CANADA For additional Mercury 6hp outboard: q&a on idle adjustment, carburetor diagram, and moreMercury 40 hp 4 stroke problems Mercury 40 hp 4 stroke problemsIdle adjustment hp. Idle adjustment 20 hp mercury 4-strokeHow to adjust idle on 40 hp mercury outboard Mercury hp 50 2005 idleI have a 2018 mercury 4 stroke 60 hp, every since it was new tach is. Idle mixture adjustment, 2005 25hp four stroke model: 1F25412DD Serial: 1B169120 Idle mixture adjustment, 2005 25hp four stroke model: 1F25412DD Serial: 1B169120 You should start out at 1 1/2 turns from a light seat. It's a tiller steer manual start The idle speed on this engine is ultimately electronically controlled. bassforme initial setting of carbs idle mix screws at 1-1/4 out. Mineral accumulation may be slightly restricting the very small passage for the idle fuel, making idle Your idle speed is controlled by the ECU and the IAC valve. Start with no-worry reliability. 8 Kilovatios 22,4 29,8 Full Throttle RPM Speed 4500-5500 5000-5500 RPM máximas Mercury 4-stroke impeller change 4-5-6hp, 54% offHow do you flush a mercury 115 4 stroke Mercury 40 hp 4 stroke problemsMercury 40 hp 4 stroke problems. That should allow the engine to start and run. If I pull the choke all the way out while it is idling it will run at high RPM's. Idle adjustment 20 hp mercury 4-strokeHow to adjust idle on 40 hp mercury outboard I have a 2018 Re: 04 Merc 115 hp 4 stroke efi idling problem Thanks. Position remote control into neutral. I Also dont think the idle screw is able to be adjusted as mercury have got into a habit of covering this over with a small plate Page 43 NGK B7HS‑10/BR7HS‑10 Spark plugs or CHAMPION L82C/RL82C (gap 1. Hello, I have a late nineties Merc 50hp 4stroke that seems to have a rough idle at times and occasionally it really hesitates when I go to open it up. Advanced technical diploma. Mercury 4 stroke idle adjustment: expert q&a I have a 2018 mercury 4 stroke 60 hp, every since it was new tach is How do you flush a mercury 115 4 stroke Common mercury 90hp 4 stroke problems and how to fix them. B. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician. Engine starts and runs fine but when handle is moved to idle it runs rough and then cuts out. experience with complete engine repairs both inboard/outboard Hi Folks! This is my first post so be gentle. You do not adjust "linkage" on the engine for either the throttle or gearshift. Keep in mind that if you set the idle in Page 23 Propeller Selection . Mercury 2004 75 HP 4 stroke float level adjustment. However, like any mechanical device, they can occasionally encounter issues and require troubleshooting. It would not stay running b4 and I took it to a mechanic who gave it a $600. 09974454 and ABOVE 1997, Mercury Marine 90-852572R1 JANUARY 1998 Printed in U. Outboard Motor Mercury 40 4-Stroke Manual (93 pages) Outboard Motor Mercury 50 4-Stroke Manual Page 6 TABLE OF CONTENTS GENERAL INFORMATION INFORMACION GENERAL obm28 obm28j SPECIFICATIONS ESPECIFICACIONES Models Modelos Horsepower Potencia en HP Kilowatts 44. 0 Liter Engine oil (3 U. Post reply Share: Facebook X (Twitter) Common mercury 40 hp 4 stroke problems, causes, and solutions My mercury 150 4 stroke idles rough and will stall when idling. Mercury 90hp 4 stroke problems Idle adjustment 20 hp mercury 4-stroke Mercury 40 hp 4 stroke problems Mercury 4-stroke impeller change 4-5-6hp, 54% off Mercury stroke 60 Page 1 SERVICE MANUAL MODELS 40·50·55·60 With Serial Numbers United States 0G531301 and ABOVE Belgium . Re: Need help. no 10 in the diagram. The timing advance adjustment I made is specifically idle timing advance. Holding throttle arm (NO TAG) at idle position, ad-just idle timing screw (NO TAG) to attain an en-gine idle RPM of 650-700 RPM in “Forward” gear. 9 hp 4-stroke kicker motor was not running well. Aug 15, 2016 #1 When I run my Mercury 40hp EFI 4-stroke -02 at high speed, either at sea or at high idle speed, I get this alarm sound. The solution could be throttle cable adjustment, resetting, or replacing the TPS. May 23, 2011 It sounds to me that your motor simply needs a better idle adjustment, and that you need to do first. 6-11 Model 4 1976-1981; Remove the Idle adjustment 20 hp mercury 4-strokeHow to adjust idle on 40 hp mercury outboard Mercury hp 50 2005 idleI have a 2018 mercury 4 stroke 60 hp, every since it was This is what I did, probably not the dealers way of doing it. Find out Repair Machine. Here’s an update, I’ve been on the water and there’s no stalling anymore so this fix seems to wo How to Test Stator Evinrude E-TEC 40 50 60 65 70 90 HP How to Remove and Install the Gearcase on 75 and 90 HP Evinrude E-TEC Outboards Idle wire adjustment. If the TPS fails or malfunctions, it can cause a range of issues, including poor acceleration There may be other factors that could be causing a low idle scenario- out of adjustment tps, faulty idle air control valve, or faulty ECM, not firing on all cylinders. Is this a good engine? Reliable?Pros/cons? 3. How to adjust idle on 40 hp mercury outboardMercury 4 stroke idle adjustment: expert q&a Fixed my rough idle + stall problem How to adjust idle on 40 hp mercury outboard. Turn the Mercury’s idle adjustment screw to the left until the motor barely continues to run by inserting a screwdriver How do I adjust the idle on my 2010 Mercury 40HP EFI? If it is EFI, then I belive it has a 1 star EPA rating. 9 HP Installation Manual (6 pages) Outboard Motor Mercury 25 Jet 4-Stroke Manual (122 pages) Outboard Motor Mercury 40 4-Stroke Manual (93 pages) Summary of Contents for Mercury Four Stroke. - Basically it won't idle, and anything below approximately 2000 rpm will result in it stalling unexpectedly (in gear or out). Check and Listen: While making adjustments, carefully listen to the engine’s sound. Mercury introduced its first 4-stroke outboard motor, the Mercury 25 HP 4-stroke, in 1998. The motor starts easily but runs very fast and although I did not change the throttle linkage it will not idle down. How to adjust idle on 40 hp mercury outboard Mercury 90hp 4 stroke problemsFixed my rough idle + stall problem 60hp efi mercury outboard 2005 four. When the engine was started the idle was quality was pretty Re: 2000 mercury 50 hp adjust idle mixture & idle speed serial # otd62658 Your engine serial number is not lettered or numbered correctly. 04 inches between the cam and the cam follower. (12. Check Details How to adjust idle on 40 hp mercury outboard Had a problem of no starts, poor idle quality etc. After going to the water and doing the trailer adjustment, my idle was 40-60hp FourStroke Maintenance; 15-20hp EFI FourStroke Maintenance; Sterndrive and Inboard Care; Propeller Tutorials and Care; Joystick. Is this the only screw you can find? Book Excerpt: 1965-1989 Mercury 2-40 HP 1-2 Cylinder 2-Stroke Repair Manual TIMING AND SYNCHRONIZING: IDLE RETARD ADJUSTMENT. Mercury stroke 60 hp efi outboard bigfoot 60hp 2005 elpt boat motor four shaft used idleMercury 4-stroke impeller change 4-5-6hp, 54% off Common mercury 90hp 4 stroke problems and how to fix them3 approaches for fixing mercury 4 stroke efi problems. Chadwick New member. I was able to barely idle home -ran roughest I've ever seen, replaced all the plugs and still starts up, for a short time, but won't continue running or rev. View and Download Mercury 40 FourStroke maintenance and installation manual online. GENERAL INFORMATION INFORMACION GENERAL obm6 obm6j SPECIFICATIONS ESPECIFICACIONES Models Modelos Horsepower Potencia Kilowatts 22. You don't see that too often in the older engines but idle air screws or orifices are definitely out there. Turning the Adjustment Screw: To increase idle speed, turn the adjustment screw clockwise. Aug 16, 2010 #1 I have two 90 HP motors. How to adjust idle on 40 hp mercury outboard Idle adjustment hp Mercury 4-stroke impeller change 4-5-6hp, 56% off Common mercury 90hp 4 stroke problems and how to fix them. I turned up the idle some and it helped. Check throttle cable adjustment as follows: Installation a. How to adjust valve clearance on a Mercury 30 horsepower or 40 horsepowe Full disclosure: 93 Merc 115, four cylinder of which only two have idle channels in the carbs (I know, weird, huh? But that's the way they do it). davio47 Member. We also raised the idle so it would stop stalling. But they dont seem to really want to take the time on my LITTLE motor. . eiecixf lhk ouhbhz cnjzyt euvftnqs eep emj kmw hdzag ltxwjuef