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Throttle Position Sensor


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My 2021 GT has recently developed a slight misfire that is most noticable when cruising at fixed throttle settings in traffic.  Yamaha dealer says its a fault with the Throttle Position Sensor, that needs replacing. The dealer has had to change it on a couple of bikes of a similar age. Just wondering it anyone else has experienced the same issue?

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15 hours ago, heathy said:

My 2021 GT has recently developed a slight misfire that is most noticable when cruising at fixed throttle settings in traffic.  Yamaha dealer says its a fault with the Throttle Position Sensor, that needs replacing. The dealer has had to change it on a couple of bikes of a similar age. Just wondering it anyone else has experienced the same issue?

There have been several reported experiences from members here as well. There’s also an updated ECU flash depending on which country you live in, that is available as well. 
The reflash will not fix your misfire, however, it addresses a different closed-throttle deceleration characteristic. 

-Skip

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I own the same bike and had the same problem.  It was driving me crazy.  My dealer replace the TPS with the newer design and synced the throttle bodies and this problem went away.  When this engine is running correctly it is amazing!

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