4 speed transmission leak
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Stage IV
Joined: Apr 2007
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4 speed transmission leak
I have a used transmission that I recently replaced the main gear seal. I have not put on a sprocket or torqued up anything yet. The tranny oil all came out of the bike. Is it because the drive gear was on. Or is there a seal back against the main gear bushing that would need replacement. The tranny is an 80's model with no keyed spacer. Any help would be appreciated.
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Joined: Jan 2006
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RE: 4 speed transmission leak
The sleeve that the seal rides on is a metal to metal fit against the shoulder on the main shaft. If the sprocket is not tight oil will leak between the sleeve and the mainshaft. I put a very small amount of sealer in that area before I install the seal. Also be sure to tighten the sprocket nut to the recommended torque.
Doug
Doug
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