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tohatsu 90 wont rev over 3100 rpm

unclewilson

New member
changed plugs! ran sea foam. idles and starts great . new fuel. fuel filter cleaned . what can I do to get my idle up ? this is a 1995 motor on a 14 foot stingray top end is about 45 mph. at 3100 rpms? I have very little knowledge on motor. plugs are ngk b8hs. tks
 
Is this an M90A? Idle is adjusted with the idle stop screw. Sounds like you are over-propped if your WOT is 3100.
 
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