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SUBJECT: # 17231: Idle Speed Adjustment Sal, Dunk, Seahorse, Others
Submitted by Mike A (151.198.183.194) from VIRGINIA on 9/11/2000 10:45:00 AM
Well I traded my blown 100hp for a rebuild 1994 Johnson 150 faststrike. Well the new motor runs great and is much quieter and smoother than the old 100. Anyway I cannot figure out how to slow down the idle speed. It is running about 1100 after warming up. I don't see an idle screw like I am used to. On the top of the flywheel are several plastic levers that move with the throttle but I don't know which one controls the idle speed. I hate to start moving things with some clue what I am doing.
Does anyone know how to set the idle speed or is there a web site to get the service manual online. I tried Evinrude and they want to sell me the manual. I hate to spend that kind of money for idle adjustment.
Thanks for your help.
- 9/11/2000 3:59:00 PM
Submitted by
Local Motion (152.163.213.183) from NEW YORK says Timing....
Mike, the manual is not a bad idea. It pays to know things about your motor so you can fix it out on the water or at least know what is going on.Changing the timing will change the idle. You can do it via a throttle valve switch mounted on a carb, sometimes there is a provision in the brain box to remove a jumper to retard timing by 5 degrees, etc. Not familiar with your specific motor.
If the high idle you are talking about is in the driveway, don't even bother with it until you see what it does with proper backpressure on it in the water.
- 9/11/2000 7:37:00 PM
Submitted by
seahorse (216.53.149.110) from ALABAMA says Fastrike idle
There are 2 levers that are fastened by one screw. That is NOT a Phillips head screw, it is a PoziDrive. You can get the special Pozi screwdriver from auto supply stores or tool trucks. Sears doesn't carry them.One lever is labled high and the other low. Low is the idle timing which limits the idle speed. First make sure the advance lever is not sticking, it could be "catching" and not returning to the full back position. Also if your thermostats are not warming the motor up enough, or if the temp wire is open ciruit, the engine will idle up around 1100.
Before doing anything, have it looked at by a QUALIFIED tech and/or buy the factory manual.