I can vouch for delvac 1300 for wet a clutch . It has a little dose of moly.I ride motocross some sand some hard pack,I ran it for a year without clutch slippage,before the delvac I was running the amsoil 10/40 for a year,I ride altleast 2 times a week.
The shift forks had no shine marks whatsoever,also the crosshatch marks looked brand new. If I had a set of new shifts forks beside my current ones ,you could not tell the difference. I was getting clutch slippage,but my basket and pressure plate was shot(after 2 years). Not too shabby,the metals had bluing on them (heat)the thickness still measured within spec . I will blame the bluing with the plates on the pressure plate being worn down,not putting enough pressure on the plates causing them too slip,causing heat. I switched over to rotella just for a few rides after the new clutch no problems with it,but I went back to the delvac I was very impressed with the internals of the tranny!!!!!
The shift forks had no shine marks whatsoever,also the crosshatch marks looked brand new. If I had a set of new shifts forks beside my current ones ,you could not tell the difference. I was getting clutch slippage,but my basket and pressure plate was shot(after 2 years). Not too shabby,the metals had bluing on them (heat)the thickness still measured within spec . I will blame the bluing with the plates on the pressure plate being worn down,not putting enough pressure on the plates causing them too slip,causing heat. I switched over to rotella just for a few rides after the new clutch no problems with it,but I went back to the delvac I was very impressed with the internals of the tranny!!!!!