Japanese made QUALITY piston kit for Yamaha PW50 1984-2009 Kit includes Piston, Pin, Clips and Rings Aftermarket replacement for 18U-11631-00, 18U-11635-00, 18U-11636-00, 18U-11637-00, 18U-11638-00, 18U-11639-00, 18U-11640-00 A: Bore 40mm B: Length 49.9mm C: Pin...
$28.00