Hi there, I have a BDL 3″ open belt dry primary and cant find any troubleshooting information. I have owned the bike for three years and have done nothing to the system as it seems to just fine, I have adjusted it once due to some concern of slipping but I believe it was due to moisture and getting it wet as I was caught in a storm. Now, I am finding there is traces of oil and seeing oil at the adjusting nut center friction plate area, after a ride I find little splatter traces. Is this normal or do I have a internal seal going I am not sure? I do most repairs with the help of your site anything I cant handle I unfortunately have to pay someone else but hate that as I cant learn if I don’t do it myself. I also have heard some strange noise coming from this area. Any help with information and how to do would be appreciated.
Open belt drive assemblies need to be serviced regularly. Being wide open to the elements means that you are continually up against dust, dirt, and water/moisture. We would suggest removing your entire assembly at this point. The oil is transmission fluid getting by your main drive gear or 5th gear seal (mainshaft seal). If your clutch plates are still in good condition, you can clean them and reuse. If the steels are blued, or the fibers are excessively worn, you will obviously need to replace them. Also inspect your primary bearing when disassembled. These videos should give you a good view of the seals mentioned.
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