Rpms on a 76 40hp JOhnson

jbsiv

Cadet
Joined
Aug 25, 2009
Messages
21
My boat will not get up to the proper rpms. It takes about 45 seconds for it just to plane out and then it seems like it will only go half speed. Someone said that I should adjust the high speed screw on the carb, but I dont know where that is. Can anyone give me a little guideance.
 

jbsiv

Cadet
Joined
Aug 25, 2009
Messages
21
Re: Rpms on a 76 40hp JOhnson

If there is not a fast speed adjustment screw, is there another whay for me to adjust?
 
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