NOS Genuine 1970-71 YAMAHA RT1 Oversize 3rd .75 Piston Ring OEM 284-11611-30 NEW

NEW OEM YAMAHA 1970-1971 RT1 MX 360 .50 1ST OVERSIZE PISTON 284-11636-00-00

1972-1974 Yamaha DT RT MX 250 360 New OEM Piston Ring Set 4th O/S 1.00 [S] 311-1

1971 Yamaha RT1 RT-1 360 NOS 1.00 Piston Ring OEM Part 284-11611-40 NEW

1974-1976 YAMAHA DT250 MX250 OEM .75 Oversize Piston Ring Set 438-11610-30

NOS 1977-1981 Yamaha IT250 1.00mm Oversize Piston Ring Set OEM 1W5-11610-40

1970-1981 Yamaha DT125 MX125 RT1 RT2 RT3 TY125 NEW OEM Piston Ring Set 1.00 214-

1969-1971 Yamaha RT1 RT360 1.00mm Oversize Piston Ring Set NOS OEM 275-11601-40