YAMAHA R3 YA6 YCS1 YDS5 YL2 YM2 YR1 YR2 Factory Oil Injection Tank Cap 137-21771-61

YAMAHA  Factory Oil Injection Tank Cap  OEM Ref. # 137-21771-61   NOS  New Old Stock.  SB28/D

Note that the words  "Motor Oil"  are written on the top of this Oil Tank Cap.

Fits 

R3  350  Grand Prix 1969

YA6  125  Santa Barbara  1966

YCS1  180  Bonanza  1967

YCS1C  180  Street Scrambler  1968

YDS5  250  Catalina Electra

YL2  100  Rotary Jet  1967

YL2  C/CM  100  Trailmaster  1967-1968

YM2C  305  Big Bear Scrambler  1967

YR1  350  Grand Prix  1967

YR2/YR2C  350  Grand Prix  1968