tony g
09-12-2012, 05:41 AM
Hey i just got 400ex had spun rod bearing now im rebuilding need some good advice to build reliable engine so far got hotrod crank and rod je 10.8:1 piston gt thunder head studs i wanna do xr 400 head gasket do i use stock or aftermarket gasket do i use xr400 bottom gasket also my pisron is 416