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YBR 125 5th to 4th gear shift noise


ben523
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Hi,

can anyone explain why my ybr 125 makes a "grating" noise when shifting down from 5th to 4th (this sequence only).

I have changed the oil with yamaha semi-synthetic oil and is maintained regularly.

any help appreciated! :)

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  • 3 years later...

Hi. I have the same problem. i hear a noise when down shifting from 5th to 4th and the noise comes when i release the clutch. it seams that the noise comes louder when the engine is hot? any help pls? Thanks

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Because your trying to get a fast spinning shaft to connect to a slow spinning shaft and if you "BLIP" the throttle then the two shafts usually line up better than if you just bang it into gear. Look up a video on YOUTUBE if you really want to know how a gearbox works. :jossun:

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