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Tj420tj

How do I replace the shift shaft in my 06 yz450f

8 posts in this topic

On my 250f I removed the shift lever , carefully pulled the clutchside sidecase in order to reuse the seal, I dont remember if I had to remove the clutch or not, but ended up basically pulling it out from the clutch side.

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Changing the shift shaft requires the removal of the Right side cover and clutch from a YZ450, so draining the coolant is required, too.  You can avoid draining the oil if you lay the bike on its side.

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Thanks guys, someone said I had to split the case to get to the shaft here at a local shop. Is that true, or is grayracers way the way to do it without splitting the case? Thanks again everyone

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Thanks guys, someone said I had to split the case to get to the shaft here at a local shop. Is that true, or is grayracers way the way to do it without splitting the case? Thanks again everyone

No case splitting required. I would drain the oil, I am sure that when you pull the shaft out it will dump out the hole where the shaft was. I have only done this while bikes are on a work stand so Gray could be right. Take your time and you will be fine.

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No, actually, you're right. Oil would drain from the shaft bore on the low side. It would only be the amount in the sump, though, and not all if it. Still, usually a good idea to change oil after engine work anyway.

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Ok thanks, is the shift shaft and shift pedal the only parts I will need or are there other parts I will need? I have a stripped/worn shift shaft and shifter.

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Right cover gasket, shift shaft seal, copper washer for the coolant drain, etc., may or may not be needed.

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