2008 - 2014 YAMAHA WR 250 R

Forged piston kit | ProX

Product description

Manufactured in Japan and designed as OEM replacements Cast from a high-silicon content aluminum alloy that meets or exceeds OEM specifications, then CNC machined to extremely close tolerances Available in standard sizes along with fractional increases in standard sizes Standard B, C and D sizes extend the life of expensive plated cylinders Additional oversizes available in 0,010 increments Pistons supplied in a kit package that includes rings, wrist pins and circlips Pro-X rings and pistons are interchangeable and compatible with OEM pistons and rings NOTE: Standard size pistons do not require reboring or rehoning your cylinder. Oversize pistons will require reboring and rehoning of your cylinder.