Re: Classic FD or Rear Main Seal Failure
From that location, it can be one of two things. The transmission output shaft is leaking or the FD input shaft seal is leaking. This does not look like the classic crown bearing failure as that would be leaking from the big seal under the rear wheel all over. No, this will not get any better so I hope you are able to take care of it before your trip.
Pulling the final drive may give you the direction you need to go. If you see a trail of oil running down the inside of the swing arm then it is likely the trans output shaft. If not, then it could be the FD input shaft seal or possibly the nut is loose on the pinion shaft allowing the seal sleeve to ride up and leak.
Sugar Hill, GA
2001 K1200LTI – Champagne (current ride) Lazy Susan
1998 R1100RT – Never should have sold it
1974 Yamaha TX 750 Twin. Omni Phase Balanced
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