misses at 3/4 to full throt. won't plane

L

lakebum16

Cadet
Joined
Sep 17, 2010
Messages
7
Hi guys, I have a 1991 nissan ns40c on my pontoon boat,I put an entire carb kit in and when I punch the throttle it starts to slightly miss and sputter and won't get on plane, every once and awhile it while plane out and cruise nicely. Now it did have this same problem before carb kit. Boat seems to start good and idle and run good mid throttle. I purchased a factory manual and it does not specify very well on carb adjustments.
I could not find info in past post on this nissan motor.
 
TOHATSU GURU

TOHATSU GURU

Admiral
Joined
Jul 22, 2004
Messages
6,164
Re: misses at 3/4 to full throt. won't plane

You have to determine what is wrong before you go further. That is done by picking one of the engines three systems and then doing the diagnostic tests.
 
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