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

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

YAMAHA OEM NOS PISTON RINGS / 164-11601-12 1ST OVER / 1968-71 YAMAHA YCS1 HT1

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

Yamaha OEM piston rings new 164 11601 12

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

NOS YAMAHA MOTORCYCLE PISTON RING 1ST OVER HT1 1970-71 164-11601-12

NOS 1968 Yamaha YCS-1 YCS1 HT1 HT-1 Piston Ring Set +.25 164-11601-12