Never seemed to have these issues before....just getting back into the nitro scene after about 10 years. I agree schultz, the buku grease job sounds like a good fix. Unfortunately, the m2c flywheel i'm using actually recesses over the crankcase , making the buku unusable. An even better six would be to use bearings that can withstand the torture for more than a 1/2 gallon at a time.....the search is on...