YAMAHA 1981 YZ80 PISTON RING SET .50 mm OVER SIZE 4v1-11601-21

 YAMAHA 1983 YZ80 PISTON RING SET  .50 mm 2nd OVER SIZE OEM REF #  4V1-11601-21  NOS  NEW OLD STOCK   /A

Fits 

YZ80H 1981 80 YZ80 Competition Motocross Motorcycle