Compatible with OEM Part Front Drive Sprocket Yamaha 93822-13213-00, Rear Drive Sprocket Yamaha 248-25445-11-00 Compatible with 1969-1971 Yamaha AT1, 1970 Yamaha AT1M, 1971 Yamaha AT1MX, 1972 Yamaha AT2, 1972 Yamaha AT2M, 1973 Yamaha AT3, 1973 Yamaha ATMX Compatible with 1969-1971 Yamaha CT1, 1973 Yamaha CT3 Front Drive Sprocket Pitch 428, Teeth 13; Rear Drive Sprocket Pitch 428, Teeth 45; Sprocket Material consists of SAE 1023 structural carbon steel Hub Inner Diameter 15mm; Hub 2 (ID) 17mm; Distance Between Mounting Holes (ID) 26/30mm; Hub Inner Diameter 100mm; Mounting Hole (ID) 8.5mm; Distance Between Mounting Holes (ID) 116mm Included Items in This Bundle:

(QTY 1) NICHE 519-CDS2274P Front Drive Sprocket

Substitute For OEM Part Numbers(s): 93822-13213-00, 93822-13024-00

(QTY 1) NICHE 519-CDS2306P Rear Drive Sporcket

Substitute For OEM Part Numbers(s): 248-25445-11-00

Fits The Following OEM Models:

Yamaha AT1 125: 1970-1971
Yamaha AT1M: 1970-1971
Yamaha AT1MX: 1971
Yamaha AT2 125 M: 1972
Yamaha AT2 125: 1972
Yamaha AT3 125: 1973
Yamaha ATMX: 1973
Yamaha CT1 175: 1970-1971
Yamaha CT3 175: 1973