blown 400/01' engine please HELP!!!!!
#21
THANKS FOR THE REPLY, BEST ADVISE YET, I LIVE APPROX. 0-250 FT ABOVE SEA LEVEL, I RUN 92 OCTANE, THE MAIN JET IS FACTORY AND I BELIEVE IT TO BE 230 MAIN, NEEDLE JET IS SET AT I BELIEV THE 3RD OR 4TH CLIPS SETTING. IVE BEEN TOLD TO CHANGE THE MAIN JET UP TO A 240-250 AND ADJUST THE NEEDLE DOWN ONE MORE AND DO A SPARK PLG TEST. I HAD A WATERCRAFT OF POLARIS' DUE THE SAME THING, DUE TO OIL INJECTION FAILURE. I REMOVED IT AND JUST RAN PREMIX. THIS WAY YOU KNOW ITS GETTIN OIL, STRANGE THING WAS MY CYL. WALLS ARE ALMOST PERFECT. SO I BELIEVE ITS STILL GETIN PLENTY OF OIL. WITH THE MODS IVE DONE I THINK IT BREATHS SO MUCH EASIER THEN STOCK THAT SINCE I NEVER CHANGED JETS OR NEEDLE THAT WHEN RUNNING AT MID RANGE I LEANED IT OUT. IM NOT SURE THAT I WANT TO CAP OFF OIL INJECTION. BUT GETTING JETTING RIGHT MAY PLAY A BIG PART. WHATS YA THINK?
THANKS, TOM
THANKS, TOM
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KimSJoh
Polaris Ask an Expert! In fond memory of Old Polaris Tech.
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Jul 18, 2015 07:20 PM
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