Hi all,I acquired this saw as a project someone else gave up on (aftermarket c/p & lots of air leaks). After rebuild it promptly developed an unsettling rattle. On inspection the pin bosses are about .080” (2mm) further apart than an OEM piston causing enough movement of the rod for it to contact the counterweights. My issue now is do I put it back together with a less than perfect OEM piston I have, or use the new (& 5 grams lighter) aftermarket piston with some thrust washers... & if so what's the best material for the washers?
Cheers
Cheers