Ive seen a lot of different posts about the 99 rm wrist pin up grade and the billet thrush washer up grades. i am trying to figure out what it helps out and if the wrist pin is out of a rm 250 or rm 125 and where i can buy the billet thrush washers.
Good job on posting the link Dutch. You also might add that the OEM thrust washers are a brittle iron stepped design. This is why they are prone to more failure.
OEM thrust washers are a brittle iron stepped design. This is why they are prone to more failure.
Now thats the more technicial reasoning.

I try to give back where I can, that and these have been sitting in my ebay watch list for a few months now.