Yamaha RT100 1990-2000 and MX100 1979-1983 Chain and Sprocket Set.
The chain and sprockets are stock. They are made of steel.
Front is 14 tooth sprocket. The rear is 48 tooth sprocket. Chain length and size is 420-114.
Fits Yamaha models:
RT100, RT 100 – 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
MX100, MX 100 – 1979, 1980, 1981, 1982, 1983
