Description:

Replaces 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.