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What’s the best jet kit to go with for a built 686 12:5 comp plus 1 black diamond valves comp Port&Polish job stage2 hot cam hot rods crank. Bike keeps cutting off and breaks up bad 1/4 into the throttle
 

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What’s the best jet kit to go with for a built 686 12:5 comp plus 1 black diamond valves comp Port&Polish job stage2 hot cam hot rods crank. Bike keeps cutting off and breaks up bad 1/4 into the throttle
Try Yamaha Raptor 660 R 686 cc Big Bore Stroker Carburetor Carb Stage
 

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I have 185/180 in mine 686. Airbox mod, ported head, ports matched, RMR header with stock exhaust drilled for better flow.
 
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