Big bore kit - Yamaha Raptor Forum
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post #1 of 3 (permalink) Old 05-07-2019, 03:18 PM Thread Starter
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Big bore kit

Hey guys I’m new here just signed up I’ve gotten a lot of info on here before becoming a member I just had to join but I was wondering what’s the best big bore kit on a raptor 660 2001 on eBay or amazon having a. Hard time finding the best options can my new friends in the raptor world help me
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post #2 of 3 (permalink) Old 05-07-2019, 06:45 PM
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Your best bet is to buy a high quality piston, pin, and ring set. Then have a machine shop bore your factory cylinder to fit your new piston. Most of the cylinders on ebay and amazon are chinese clones and are kind of hit and miss on quality

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07' Raptor 700- 11:1, hotcam 3, Pro design intake with K&N, +3 throttle body, Monster big bore duals, MSD with cuervo timing, JOGACA shocks, trail tech VAPOR, GYTR heel guards & bumper & nerfs, .250 aluminum skids, TM case saver, folding anodized levers and shifter, powermadd hand guards

04' raptor 660-Hot rods crank, .5mm overbore, 11:1 wiseco piston, Stage 1 hotcam, Yoshimura slip-on exhaust, K&N filter with outerwears, open lid airbox, Dynojet stage 2 jet kit
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post #3 of 3 (permalink) Old 05-07-2019, 09:29 PM
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Cylinder works makes them. They Are the same company as Vertex and hot cams
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