Throttle issues - Yamaha Raptor Forum
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post #1 of 4 (permalink) Old 07-16-2018, 10:23 AM Thread Starter
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Throttle issues

I have a 2003 raptor 660. When I go full throttle the engine loses power. Any idea of what this could be?
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post #2 of 4 (permalink) Old 07-16-2018, 05:57 PM
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Dirty jets in your carburetor would be my guess. That or the engine isnt getting enough fuel.
Also could be your speed sensor depending on how fast youre going
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post #3 of 4 (permalink) Old 07-17-2018, 09:13 PM
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Have you done anything to it recently (or left it sitting for a long time)?

Has it run properly for you in the past or did you just get it?

'01 660 Raptor, Burgard +2+1 arms, YFZ Shocks, LSR anti-vibe, CTR pipe, jetted, K&N
'01 Polaris Scrambler 400, K&N
'02 Honda 400ex, Big Gun pipe, jetted, K&N, Lonestar +2 A-arms, Lonestar anti-vibe
'04 Suzuki LTZ400
'16 RZR XP4 1000 Turbo
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post #4 of 4 (permalink) Old 05-15-2019, 01:26 AM
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My brothers warrior was doing the same thing and it was something as simple as the breather on the gas tank lid.
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