2001 raptor 660r accelerates on its own? - Yamaha Raptor Forum
 
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post #1 of 3 (permalink) Old 06-18-2019, 03:10 AM Thread Starter
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2001 raptor 660r accelerates on its own?

Hey all. I have to constantly adjust my accelerator knob thing on the left side to get it running normal. I have to turn the idle up to get it to idle after starting and then i have to turn it down again after it warms up or else its rpm is too high and also sometimes while riding and i pull my clutch in it accelerates on it own until i release it. Does anyone know what my problem might be? Im thinking about re-jetting as well just not real familiar with motorcycles yet any recommendations?? Thanks
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post #2 of 3 (permalink) Old 06-19-2019, 08:16 PM
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Sounds like maybe you have an air leak somewhere and its leaning out. Spray carb cleaner on the intake boots and connections while its idling and see if that makes it rev up. Also just visually inspect boots for cracks. Both intake to carb, and carb to motor

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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 06-20-2019, 12:30 PM Thread Starter
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Thanks. Ill try that. I remember one of the boots had a crack where the hose goes to the backside of the carbs but i hose clamped it shut
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