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View Full Version : in the process of doing rebuild-got a couple ?'s



spaz416
12-16-2005, 06:47 AM
okay, i picked up je 87mm 10.8:1 piston kit, stock xr400 gasket kit, hot cam stage 2, valve springs, and head pipe. My first question is, will the stock gaskets work with a 2mm overbore, or do i have to get new gaskets? Second question is do i need a wrist pin bearing? there wasn't any that came with the piston. thanks in advance

44oEX
12-16-2005, 06:49 AM
no there are no bearings in the EX piston.

and the stock gasket should be ok...you only need a bigger one for the 440's