PW80 Piston Kit – High Performance – PWOnly.com – Yamaha PW50 & PW80 Parts
Amazon.com: BLACKHORSE-RACING Cylinder Gasket Piston Ring Kit Set Top End Bike Compatible with Yamaha PW 80 PW80 1983-2006 Replaces OEM# 21W-11111-00-00, 1W7-11181-00-00,4AW-11351-00-00, 3E5-11631-00-97 : Automotive
Pro X Piston Kit Standard (47 mm) for Yamaha PW80 YZinger 1983-2006 - Walmart.com