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My 2001 raptor wont start

I have a 2001 raptor 660 with a big bore kit im not sure how big. but when i got it it ran great i was told it had high compression so it was always hard to start. it would turn over slowly but then fire up. now when i hit the push start i get nothing at all all the lights work i have spark, cleaned the carbs. still nothing i dont know what it could be. i bypassed the battery and used the silanoid and it wld turn over but not fire up i dont know what it is and i dont want to spend money on something that i dont need someone please help

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If the seal was broken on the engine, a seal was not insalled right and came loose, which in return u would lose vacuum in crankcase, going to have to tear engine down and double chk everything, this just happend on my quad hope this helps, that is why they call them toys! they can be frustrating

Posted on Jan 04, 2013

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SOURCE: Yamaha 2001 Raptor 660, need to clean my carb

Drain and replace the gas with fresh.
Remove the air cleaner and spray carb cleaner into the inlet. Work your throttle a little then put everything back together and try to start it.

Posted on Jun 02, 2009

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