Compatible with OEM Part Yamaha 248-25445-11-00, 93822-15065-00 Compatible with Yamaha 1969-1971 AT1, 1970 AT1M, 1971 AT1MX, 1972 AT2M, 1973 AT3, 1973 ATMX, 1969-1971 CT1, 1974-1976 DT125, 1974-1976 DT175 Pitch 428 Kit includes 1 Front 15 tooth drive sprocket, and 1 Rear 45 tooth drive sprocket; Sprocket Material consists of SAE 1023 structural carbon steel Hub Inner Diameter 18mm; Hub 2 (ID) 20mm; Hub Inner Diameter 100mm; Mounting Hole (ID) 8.5mm; Distance Between Mounting Holes (ID) 116mm Included Items in This Bundle:

(QTY 1) NICHE 519-CDS2297P Front Drive Sprocket

Substitute For OEM Part Numbers(s): 93822-15065-00

(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 AT3 125: 1973
Yamaha ATMX: 1973
Yamaha CT1 175: 1970-1971
Yamaha DT125: 1974-1976
Yamaha DT175: 1974-1976