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Tomo21

Ktm Sxf 250 2014 3rd gear problems

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Hi Guys, so I have a problem with my dirtbike, my dirtbike is like twitching(trza) in third gear like its threwing it out from third gear. But in any other gear its ok, this happens only in third gear. Can u tell me what is the problem and how to fix it

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Posted (edited)

No way to know until you split the cases and have all the gearbox components in hand,

closely inspecting everything related to that specific gear:

shift drum, shift fork, drive & driven gear engagement 'dogs' and mating surfaces etc.

 

My YZ125 gearbox occasionally popped out of 4th gear,

upon inspection there was barely any wear visible on the engagement surface of both gears

but just enough to cause the problem. A shift fork also showed signs of abnormal wear.

Edited by mlatour

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Dogs worn on that gear

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