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YZ 125 blown trans?


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I have a 2002 yz125 and I believe I tossed 4th gear at the track. (thankfully just before hitting the face of the biggest jump on the track ­čśĆ )

What I have now is a new neutral where 4th gear used to be and no way to get to 5th gear. No grinding noise just a 3 speed bike now. Any thoughts? Bent shift fork? busted dog?

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Before you go crazy tearing the motor apart, check the obvious. What color is the oil and is it full of metallic particles. If not drain it anyway and have a look under the right side engine cover and make sure all the parts for the shift star are still complete. If some broken pieces fall out then you know where your problem is. If the oil is metallic in color then you did toss a gear in there. You won't know all that has shit the bed until you split the cases.

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