Originally Posted by Goat Herder
The little bearing on the wrist pin is truly one the weakest spots on these motors!! One of my buddies just blew his second motor to this cheasy bearing and I told him to replace it long ago! I know another guy here locally that blew a bearing too.. Although I have not gotten one of these...this bearing looks like perhaps one of the best designs to me? It looks a lot like a Morini wrist pin bearing I think? http://www.spmotostore.com/SearchRes...earch=10x14x15
Realized I posted these in your other thread but the way this one is titled it may help some one else? The stock wrist pin needle bearings on these motors are a nice joke that have been played on way too many people IMHO..