nissan 90 no top end

[charlie70n]

new here hope some one has heard of this. i have a nissan 90a moter runs great at idel with no load will reve up to 3600 smothly max timing 32 degrees no missing. checked fuel pump and fuel lines no air in lines . cleened carbs checked reeds . 140 to 130 psi on all 3 cylinders. dont know what to do o did replace the complete foot.help

 

[pvanv]

Re: nissan 90 no top end

Verify correct prop for the boat.

 

[charlie70n]

Re: nissan 90 no top end

i have a cut down prop for testing if any thing it wood over reve it was an old bent prop we trimed the fins down on

 

[pvanv]

Re: nissan 90 no top end

I trust the throttle linkage rods are synchronized, and open all the way?