85 hp force outboard idle adjustment How to adjust idle screws on Mercury 75, 90, 100, 115 and 125 horsepower outboard motors. Customer: i have an 85hp force outboard it runs good at low rpms, but when i go to throw the throttle all the way down it bogges down? my mix is 50-1 for 6 gallons of gas. Join this channel 3. Look on BRP parts site, pull up your engine by model number, this also shows the adjusting screws. the book says to set the timing at 32. not sure if the timing is off or all three carbs need adjusting, it has never run like this before, after several attempts it will go all out, but in the mean time it bogges down and you can smell gasany help is greatly Mar 28, 2024 · Learn the steps to adjust idle on Johnson Outboard motors for optimal performance and smooth operation on the water. video on how to set the timing on an ADI ignition! To set idle timing screw in/out the lower screw on the throttle arm until you hit specs. These instructions are based on factory idle adjustment procedures. It is a Tracker by Mercury Marine Force Power Series Outboard Motor. After time, it will bog down and stall if i In this video, Tim Hogan, shows how to inspect and adjust your control cables along with what to look for before replacing. We would like to show you a description here but the site won’t allow us. Mercury Force Outboard Parts 40 H. Download Factory Repair Manual. I only use the oem manual method for setting timing. Right now its idling at about 1000-1100 rpms. b c d 2000 25 Hp Johnson. 1. INITIAL STARTING ADJUSTMENT Turn idle mixture screw in (clockwise) until it seats LIGHT-LY--then back-off (each carburetor) 1-1/4 turns. Jul 2, 2025 · Learn how to fix common ignition, cooling, and lower unit issues using the official 1984–1991 repair manual. Jan 30, 2008 · Re: 85 hp force idling??? The idle speed screw is on the whats called the towershaft on the starboard side of your motor. Two Stroke Outboard Shaking - easy carburetor linkage sync check and adjustment Hello Everyone 42. While holding throttle arm at idle position, adjust length of link rod so that stamped mark of oil pump body aligns with stamped mark of oil pump lever. This threads on the end of the cable and can be adjusted further on or off the threads. pdf format. Oct 5, 2018 · (Hesitation/Bogging On Applying Throttle) (Joe Reeves) This is a common problem and is usually caused by a sticking timer base under the flywheel or fouled, clogged carburetors, however… also check the carburetor linkages, compression, spark, and the timer base as follows. Force (and Chrysler, which became Force in 1984-85) tended to make as many as 15 variations of a given motor in any particular year, many with not-quite-the-same parts from one to another. Changing out the lower gear oil and replacing the water pump is part of routine outboard maintenance. net has diagrams for all Force motors. 3 months in to ownership and nearly ready to launch :) however I still haven't resolved one last niggling issue: it seems to be running pretty rich at idle, and leaving plugs fairly oily (not carbon'd up, just dirty looking). the. Most likely spot to have been disturbed is the quick connect. Aug 6, 2009 · The idle is set with the timing arm like many older outboards. Loosen the cinch nut and adjust this screw to 750 rpm in gear. im guessing 32 means 32 degrees. When these engines are idling, the throttle cam should not be touching the roller. We have compiled some of his Carburetor adjustment posts here. If turned all the way in and its running, you have a problem with that carb specifically (leak). This is part 1 of troubleshooting a stalling condition for a 85 hp Force engine attached to a Bayliner Capri. Jun 21, 2025 · Whether you’re doing seasonal maintenance or a complete teardown, this guide ensures you have the exact specifications and repair steps used by authorized dealers. P. Whether you're experiencing poor idle quality, hesitation during acceleration, or simply want to maximize your engine's potential, understanding how to tune your outboard's carburetor can save you money May 3, 2021 · Hello, all, and Happy Spring, most of you are likely in the water already Thanks again for all the help on my easy issue last year with my '87 Force 85 HP, a basic idle adjust using the idle screw took me through the whole season with no stalling at shift. Thank you. The average setting ranges from 1-2 turns out. to/42aJXUI We would like to show you a description here but the site won’t allow us. at the quick connect on the engine. Apr 12, 2019 · Throttle and Shift Cable Adjustment – by Joe Reeves Adjusting Throttle Cable – Joe Reeves If running the engine in a flushette, be sure to have the water turned on full blast. Jun 15, 2021 · I have a 1989 85hp Force on a 17' Dateline Bounty. Still We would like to show you a description here but the site won’t allow us. Regular maintenance and proper troubleshooting techniques will ensure a reliable and efficient motor for all marine activities. The Seloc manual I have -- (024-1) 1100 on page 4-20 fig. The Mercury 40 horsepower has dual fuel coolers to prevent vapor lock, which occurs when fuel temperatures are high enough so that fuel Force 85 HP Outboard Models Select your engine to find guaranteed-fit parts: Where to find my serial number?. Force Service Manual We would like to show you a description here but the site won’t allow us. One of things I showed on this video is to synch your max forward position o Aug 16, 2021 · Video #2 on this 1987 Force 85hp inline 3cyl 2-stroke with x3 carbs. im confused. Its outboard motors control a large market for small and mid-size recreational boats. It has 3 carbs. Roller is adjusted after throttle plate synchronization. there are 3 marks close together on the flywheel and 1 farther from them. 69K subscribers 77 The owner brought me this Bayliner after taking it to a Marine Mechanic where it sat for three months without being so much as looked at. Still will not idle in the acceptable zone of 7-800 RPM. There is a throttle link that goes from the throttle cam to the towershaft. Idle in NEUTRAL should be 700-750 rpm and static timing (checking timing by cranking engine with WOT) is 34 degrees. Refer to your engine’s manual for the exact location. Beginning in mid-1992, Mercury Marine (who had acquired Force Outboards) began using Mercury 1986 85 hp Force Bayliner Capri - Carbs Rebuilt and Link & Sync - Part 5 of 6 1986 - 85 hp Force Bayliner Capri - Won’t Start - Shift/Throttle Adjustment - Part 3 of 6 Jul 16, 2011 · Re: 85HP Force Outboard troubleshooting (late 80's model) well if your lifting the front trailer i presume the engine is pinned up? try putting the engine down if its not We would like to show you a description here but the site won’t allow us. At some point you'll need to know how to set or adjust the timing of a new Mercury motor. 31 shows a main fuel jet to the left of the carb and the idle 1986 - 85 hp Force Bayliner Capri - Won’t Start - Shift/Throttle Adjustment - Part 3 of 6 livetofish Outboard Repair 4. ⋅ How to Adjust the Idle on a Mercury 40-HP Motor By Andrea Walk Mercury is among the foremost brands of outboard boat motors. To adjust the max How to adjust the idle on many mercury outboards I have a 85 force 125 HP. May 21, 2007 · Re: 1985 85 HP Force Throttle Cable adjustment There are three places to adjust the shift throw. How do you change the idle speed? I know there is a screw on my carburetor for idle/mixture, but I wasn't sure if that had a different use. Marine bought out the Chrysler outboard manufacturing plant in Wisconsin. Aug 29, 2013 · Hi - I have a mid-80s Bayliner Capri with matching 85HP Force outboard. S. Sep 6, 2018 · Our friend and longtime OMC Tech, Joe Reeves, has posted thousands of answers to technical questions about Johnson and Evinrude motors on our Boat Repair Forum. Get expert tips now! Tips to help you to adjust the idle in your outboard #boating #yamaha #outboardThis is one of the most popular tools for idle https://amzn. The exception to this rule would be the smaller horsepower engines, usually the smallest up to about the 25hp class. Any help would be appreciated. how does One go about adjusting the carburetor s on them. He started contributing to the forum in 2001 and is still at it! He has helped countless visitors solve their engine problems. Ensure the throttle cable follows the correct path without kinks or slack. under the bottom carb, and 3. Force 85 HP Outboard Carburetor Tune and Test run series 1986 85 hp Force - Part 3 - Fuel Issues Fixed - Stalling in Forward Gear & Running Rough at WOT. Idle timing is retarded. The Idle needles should NEVER be turn all the way in. After swapping the CD module and after doing everything to the throttle linkage & carbs. 1986 85 hp Force Bayliner Capri - Carbs Rebuilt and Link & Sync - Part 5 of 6 1986 - 85 hp Force Bayliner Capri - Won’t Start - Shift/Throttle Adjustment - Part 3 of 6 A 70hp Johnson outboard engine is struggling to idle down because the trigger is sticking, likely due to being coated in old, stiff grease. Keep adjusting and rechecking your idle and timing until they are dead on. Fix my Outboard! Carburetor & Timing. Mar 31, 2009 · How do you adjust the idle on a 1985 85hp force outboard. but how do you read or set that by un marked marks on the flywheel? What is the part that turnes under the flywheel around Synchronizing timing and carburetors on Chrysler and Force three, four, and five cylinder engines. I can't find any Check out this free secret outboard tuning tool that no one knows about! This tool is a must have when you perform a link and sync on an Evinrude or Johnson What do you check when your outboard idles and then dies? In this short video from Boats. The timing settings on an outboard motor control the boat's power and acceleration and are an important part of your boat's health. May 2, 2013 · Same as previous video- after carb work, new plugs, etc. Aug 11, 2011 · Re: need help cant adjust carbs correctly. Force Outboard Forum So where do you start? There is a lot to know. To adjust the throttle on an 85HP Force outboard, first locate the throttle linkage arm connected to the carburetor or throttle body. The idle speed screw is just above this link. Outboard Boat Engine wont stay running - Adjust Idle Screw - VERY EASY DIY with Michael Borders 225K subscribers Subscribe Please subscribe to support me and encourage me to create more videos. Depending on whether your We would like to show you a description here but the site won’t allow us. Appears to have stock control unit Engine usually generally start quickly and is a strong runner, but is sometimes hard to start after a run, and and will sometimes stall repeatedly when first put in gear. 3 Turn idle mixture screws slowly open, counterclockwise, until motor loses power and begins to roll due to an over Properly adjusted carburetors are essential for your outboard motor's performance, fuel efficiency, and reliability. Jul 5, 2010 · Re: 120hp Force won't idle I had this same problem. The Mercury 40 horsepower motor is a motor for medium to larger size boats. In this video you see I did a Compression and spark check then ran the motor in a barrel. 2 Set controls to high-idle neutral position. FREE PDF Download Force 85 HP Online service repair manual PDF by Just Give Me The Damn Manual Turn idle adjustment needle, on top carburetor, slowly counterclockwise (open) until engine loses power and begins to roll or gallop due to an over rich mixture. Try this easy fix! Throttle & Shift Linkage for 1973 40 hp Mercury 402 Mercury/Force/Tracker Outboard Motor Carburetor Fix & Throttle Cable Adjustment Nov 20, 2020 · How do you adjust the idle on a Mercury 4 stroke outboard? Insert a screwdriver into the Mercury’s idle adjustment screw, located at the bottom of the carburetor, and turn it to the left until the motor barely continues to run. Check the governor mechanism, which can restrict throttle movement if stuck or misadjusted. Turning the Adjustment Screw: To increase idle speed, turn the adjustment screw clockwise. Much lower rpms at an idle now. what dos 32 mean. the shift rod itself as it exits the lower unit. Follow this link to a generic diagram. At the end of the season, it did it CARBURETOR/OIL PUMP SYNCHRONIZATION : 1. Many are looking for a Force outboard forum to solve Force outboard motor problems that include 50 hp Force outboard motor problems and 85 hp Force outboard problem. I forget which direction Jul 9, 2007 · Re: How to properly set idle and fuel mixture on force 120 Straight out of a force manual: Starting mixture screw is 1 full turn out from lightly seated. He (the owner) was Jun 3, 2013 · Re: How-To video - Setting the timing on your Force Outboard Why is this needed on a force motor to where it would ever get out of time? I own a 89 Force 85, or is the timing stuff only on 92 models and higher on 125s? Here is a walk through of the adjustments I made to my 50 horsepower 2 stroke outboard motor. If the Force 85 HP motor won’t rev above idle even with the throttle cable disconnected, inspect the carburetor throttle linkage for binding or corrosion. for it to start. THIS OLD OUTBOARD ! The BEST Way To Fine Tune Idle Mixture Screws For Your Carburetor Aug 1, 2009 · Can anyone tell me where the low and high speed carb adjustments are on a 1986 85 HP Force model 856X6M when you are in the boat looking at the throats of the 3 carbs. 5 THRU 45 HP 50 THRU 85 HP 90 THRU 150 HP MODEL NUMBERS are VERY important in identifying your Force Outboard. 6K subscribers Subscribe Sep 3, 2024 · Discover the secrets to perfecting your Evinrude outboard's performance with our comprehensive step-by-step guide on adjusting idle. May 23, 2009 · Re: 87 Force 85hp link and sync question You need to adjust your idle in neutral and check your timing. This comprehensive guide will walk you through the entire process of rebuilding your outboard motor's carburetor, from disasse Step by step how to set the timing advance on a 1992 force 120 outboard motor. 2. (1992-1994) 0E000001 THRU 0E093699 SHIFT AND THROTTLE LINKAGE Diagram #11a is the towershaft Sep 14, 2011 · Re: 1995 70hp Idle timing? Checked manuals again 95 and 96 manuals. 9G Idle troubles modified Force 90hp Locate the Idle Speed Adjustment Screw: On many Mercury outboard engines, you can find the idle speed adjustment screw on the throttle linkage or control box. Rebuilding an outboard carburetor can seem intimidating, but with the right tools, parts, and instructions, it's a manageable DIY project that can save you hundreds of dollars in service costs. Carburetor Linkages: Check the carburetor throttle butterfly linkages that lead from one carburetor to the another to Overall, understanding the basics of an 85 hp Force outboard motor is essential for maintaining its performance and diagnosing any issues that may arise. If it were me I'd probably go through the entire carb link and sync proceedure, it's not Feb 21, 2011 · Re: 40 HP Force idle adjustment Get a manual FIRST!!! Do U have good compression (should have asked thet first)Then always put the year and model# and serial# when asking for help. Item number 29 is the air screw referred by Jerry or officially called air-fuel idle mixture screw and is supposed to be set at 1 1/8 turn out from lightly seated. When running on a flushette, the idle rpm for the different shaft length engines are as follows: 20 Mar 1, 2011 · Re: Shift and throttle Linkage - complete adjustment procedure I found below instruction but I think there?s more to it and I think this is a disconnect and reconnection procedure. Thanks Force Outboard Motor Problems So many queries and questions from frustrated Force outboard owners. Which other screw are you talking about? Carb125 Jul 4, 2023 · Force outboard, 1984-1996 : tune-up and repair manual by Coles, Joan Publication date 1997 Topics Outboard motors -- Maintenance and repair -- Handbooks, manuals, etc Publisher Rancho Cucamonga, Calif. : Seloc Publications Collection internetarchivebooks; printdisabled Contributor Internet Archive Language English Item Size 1. Idle seams to be low inorder to start the motor I all most have to put it in gear. 1 With boat tied securely to dock, start motor and run until fully warmed up. After time, it will bog down and stall if i I have a 85 force 125 HP. You can then adjust the rod that opens up the throttle a bit when shifting into gear by loosening May 1, 2014 · Re: 1985 Force 125 correct carburetor adjustment Here's a carb for a 85-125HP. net, John will show you where to start if your outboard dies when it’s at idle. Apr 6, 2015 · I set up the cam adjustment with the ball linkage off (Frank's video), re-attached the linkage, started the motor and adjusted the idle speed using the screw and set nut behind the cam linkage. Aug 25, 2018 · There is no timing spec for idle speed on these engines, proper idle speed is controlled by screwing the idle speed control screw in/out slightly to set proper idle RPM in gear. 98 Secure Payments Through PayPal Our Manuals are Scanned "out-of-print" Factory OEM Marine Outboard Boat Motor Owner-Parts-Service Manuals and Catalogs in . Adjusting screws are there, in the photos. Force outboards were also the stock engine for a while in Bayliner boats. boats. Max timing is advanced. Force outboard boat motors were initially manufactured in the late 1980s when U. I've got it in a Sep 8, 2007 · Re: carb setting 89 85 hp force The idle needs to be set with the boat in the water ,tied off to the dock ,in gear,and in neutral to check the difference between the two, but generally it needs to be set with a load on it. 1988, 85 hp force also wondering how to set timing. I got mine around the right speed, then in gear on the lake I set all the idle mix jets low as I could without it dying, one at a time. Force Outboard Service Manual 1988-1991 85/90/120/125HP Pub # OB 4642 OEM Force Outboard Boat Motor Literature Auto-redirect to download after payment, and link sent to your PayPal email address Price: $10.
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