NOS Yamaha OEM Piston Ring Set 0.25 1970-1971 HT1 1967-1968 YCS1 164-11601-12

NOS Yamaha HT1 YCS1 .25 Oversize Piston Rings for 1 Piston = 2 Rings

NEW GENUINE YAMAHA 164-11601-12 PISTON RING SET 0.25

Yamaha OEM piston rings new 164 11601 12

164-11601-12 Yamaha Piston Ring 164-11601-12 Set .25 mm NOS YH3 (SPB 5-2)

NOS Yamaha Piston Rings .25 70 71 HT1 67 68 YCS1 164-11601-12

YAMAHA NOS YD3 YDS2 STANDARD PISTON RINGSET 150-11601-00

164-11601-12 Yamaha Piston Ring Set 0.25MM OEM