NEW, OLD STOCK, REAR SPROCKET, FOR YAMAHA MODELS LISTED BELOW.

OEM PART NUMBER= 1A0-25440-20

JT CROSS REFERANCE PART NUMBER= JTR848-40 (40 TEETH)

STEEL, BLACK FINISH

CAN ALSO BE USED  AS A GEARING ALTERNATIVE ON MODELS BELOW THAT USE 37 OR 39 TEETH AS STANDARD.

 37 Teeth

Yamaha Road

RD350 A,B  74-76

 39 Teeth

Yamaha Road

RD250 A,B USA 73-75

RD250 DXC  76-77

RD350 A,B USA 73-75

RD350 LC 4L0 80-82

40 TOOTH

DS7 72 USA

R5 70 USA

R5B 71 USA

R5C 72 USA

MAY FIT OTHER YEARS/MODELS.

STOCK BIN= MB15823- ST7