Originally Posted by
Marr
I was talking to a friend that’s a Harley mechanic, he was saying that most harleys have engine oil, and transmission oil separate. For their wet clutch they recommend a less slippery oil, and for their engine they recommend a less slippery oil. The reason for the engine, is they have roller bearings, and a molly oil or something like that, is good, but they found that sometimes it was too slick, and the roller. Earring would slide instead of roll, causing them to start having flat spots on them. I wonder if BRP engines have roller bearing too.