RaptorChick

Give a Yamaha Raptor 660 more power

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i got an '05 660 Raptor and was wondering what I can do to give it more power and speed?

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Exhaust, Intake, Jet kit, CDI Box, Change gearing, change cams, high compression piston... how much money can i spend for you?

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Ive got exhaust,jet kit,high compression pistons,engine is rebulit, it had $1500 worth of upgrades on it when I bought it

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Cams and gearing are going to be your best bet. There is always port and polishing.

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