My raptor sometimes sputters and dies at low rpm - Yamaha Raptor Forum
 
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post #1 of 4 (permalink) Old 04-14-2019, 12:00 AM Thread Starter
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My raptor sometimes sputters and dies at low rpm

Wondering why my raptor sometimes runs a little uneven and sometimes dies at low rpm. When I rev it a bit it backfires but still rides fine with no problems at higher rev. Sometimes I ride and it's totally fine and sometimes it has this problem.

Can this be the throttle positioning sensor or air leaking around the intake boot and throttle body?

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post #2 of 4 (permalink) Old 04-29-2019, 03:19 PM
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Hi! I'm too having the same problem. Replaced TPS, but no result. Haven't found solution yet. Do you have Power commander?
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post #3 of 4 (permalink) Old 04-29-2019, 03:24 PM Thread Starter
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No I do not have any fuel optimizer installed it's stock.

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post #4 of 4 (permalink) Old 04-29-2019, 06:29 PM
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Could be an air leak for sure
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