Raptor 660 won’t start. - Yamaha ATV Forum
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post #1 of 3 Old 07-19-2019, 11:37 AM Thread Starter
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Raptor 660 won’t start.

Got a 2001 raptor 660, it’s been sitting for about 6 month because the starter clutch bearing went, just replaced it. Tried starting it and didn’t fire up and it has very little compression. Threw a new spark plug in, still nothing put some gas in the spark hole and tried again started shooting flames out of the intake boots. Any solutions for this?
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post #2 of 3 Old 07-29-2019, 10:54 AM
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sorry for the slow response i was on vacation. your valves are out of adjustment or stuck from sitting. set the valve lash and make sure they are not stuck and you will be good to go
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post #3 of 3 Old 08-04-2019, 10:23 PM
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If that don't work unplug your voltage regulator. Its the black finned piece under either your left rear fender or the center of the rear.

01' Raptor 720, Stage 2, FCR'd
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