Description:

Replaces OEM Part: Yamaha 4V1-25444-10-00. Compatible with: Yamaha 1969-1971 AT1, 1969-1970 AT1M, 1971 AT1MX, 1972 AT2M, 1973 AT3, 1973 ATMX. Compatible with: Yamaha 1969-1971 CT1, 1972 CT2, 1973 CT3, 1974-1976 DT125, 1974-1976 DT175, 1980-1983 YZ80. Pitch: 428, Teeth: 44; Sprocket Material consists of SAE 1023 structural carbon steel. Hub Inner Diameter 62mm; Mounting Hole (ID) 8.5/10.5mm; Distance Between Mounting Holes (ID) 80mm.