2004 2 stroke 115 TXRD low speed miss

hevysrf

Petty Officer 3rd Class
Joined
Apr 3, 2008
Messages
78
I've got a low speed miss/shake, at no wake speed, about 950-1200 rpm. Just about where the butterflies start to open. 1350-1400 it smoothes out. Will the mixture screws affect operation at this speed or only with butterflies closed?


New plugs, compression on all 4 120-130#, starts easy, nice 750 rpm idle in gear, good acceleration, reaches wot without problem.


This is my second season with this motor, had this shake from the word go even after a carb disassembly and clean last year.
 
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