● Piston / Piston Rings (STD= 58/14PIN)

GENUINE YAMAHA AND SPECIAL PISTON AND PISTON RINGS FOR 4TH GEN. YAMAHA YZF-R15 / R15M (JAN 2023- ) 

● STD BORE X STROKE: 58x58.7MM (155.1CC) (14MM PISTON PIN)