Piston Kit - 73.95 mm - Yamaha
Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication
Lightweight piston with a tight piston wall clearance for a quieter running engine
Skirt coated for reduced friction and improved break in performance
Ring land treatment for improved ring seal and oil control
Double bridged forging design where noted
Kit includes piston, rings, wrist pin and pin locks