1990 outboard evi rude 40 ,low rpms

Lplp52

Cadet
Joined
Jul 24, 2017
Messages
16
I have a 40 hp ,warm up lever I can rev up to over 5000rpm ,but if in gear I can only get 3000 rpm max ,is there an adjustment I am not seeing ,compreesion is good .
 

racerone

Supreme Mariner
Joined
Dec 28, 2013
Messages
38,881
And what is the compression ?-----They will all rev up in neutral even on one cylinder !------Sounds like it only is running on 1 cylinder.---Test for spark.
 

Lplp52

Cadet
Joined
Jul 24, 2017
Messages
16
Changed the coil also and thermostat ,new plugs ,disconnected the thermostat wire also ,and I think it is only on 1 clyd now that you say that ,makes sense ,.
can't check until upcoming weekend ,so thinking it is the cdi now.
 

racerone

Supreme Mariner
Joined
Dec 28, 2013
Messages
38,881
Some organized trouble shooting will find the problem area.----Guessing gets expensive in a hurry.
 
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