bigdog1 wrote:Purchased a 2008 crf 150r and installed a yoshimira silencer spark arrestor "slip on" . Due to the bike being new and not broke in my son took it easy after third ride I took it out and noticed that at the top of every gear the bike sputter's out. Yoshimira says that you do not need to rejet I have not made any other mods to bike. !! Please Help !! I am not even sure if the bike always had the problum before installing slip on due to it being new.
I'd be certain it's not the rev limiter. Just sayin
.The rev limiter is a very obvious thing, and I think he would know if he were hitting it
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