Anyone having trouble

[kenmac]

with your 05 ( mabe other year models) with engine missing under load or strain at full throttle ??

 

[rj's barn]

what kinda machine ya got kenmac?

 

[kenmac]

what kinda machine ya got kenmac?

Guess I should have posted the brand In my above post. Polaris ATV.. I see it won't let you edit after posting or, I would edit my 1 st. post

 

[rj's barn]

if it doesnt have a mass air flow sensor or throttle position sensor, 1st thing I would check is the plug/wire/magneto. then fuel system and filter, air filter. if all of that checks out, check cylinder compression and valve lash.
Keep us posted.

 

[kenmac]

if it doesnt have a mass air flow sensor or throttle position sensor, 1st thing I would check is the plug/wire/magneto. then fuel system and filter, air filter. if all of that checks out, check cylinder compression and valve lash.
Keep us posted.

Thanks. I have found the fix. Just wondering if anyone else has had these problems so, they could fix their's... Seems that the carb was jetted to big from the factory.Factory Main jet is 172.5 & it should be 167.5 or 170