I am guessing that you are leaking from the main shift coming from the transmission. If so there is a main shaft oil seal part # 37741-82 and then there is according to the parts book a seal that belongs to the primary housing that has a part number of 12018. The oil seal for the main shaft does not require that the transmission is taken off the bike it can be replaced very simply with a screw driver however, always use a rubber mallet and a piece of pipe the same diameter as the seal.
I always find that sometimes the bike has some 1984 parts. I believe this has to do with the month the bike was built at least in my case. So, the primary housing might have a part number of 12052.
We invite you to introduce yourself by a few sentences if you are new to
this discussion group. Enter your e-mail to join the forum and get notifcations on new messages. Or post your question,
answer or comment as a guest. We have just improved this discussion forum and expect the number of users to increase.
More 1983 Harley-Davidson FXSB 1340 Low Rider information
Our discussion groups are intended for short messages. We also welcome more extensive motorcycle reviews.
Bikez also recommends that you check out the technical
data and the riders' rating for the 83 Harley-Davidson FXSB 1340 Low Rider.
You can also rate it yourself. Use our efficient motorcycle
classifieds to sell or
this bike. Your motorbike gets a high quality presentation. Ads are free.