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Won't shift into first


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Just did a bottom end on my 06 rm250. I ran it through the gears before I put the clutch in and it worked fine. I slapped it all back on the bike, started it up in neutral and it won't shift good. Besides not getting it to go into 1st when I upshifted it slammed into gear. I'm hoping the cases don't need to be split and I can fix this by maybe realigning the star. Who knows maybe it slipped off and aligned itself not facing each other perfect. Any experience with this?

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split the cases again. Pay attention to a parts diagram, as you inspect for the error. You may have put a gear on backwards, or a thrust washer in the wrong spot. Trans shifts fine while the cases are split, but binds up when they're together (been there, done that). After you re-assemble the cases, always check the shifting.

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