JT Sprockets

Online Catalogue

Yamaha YZ80 E,F

1978 to 1979

Front Sprocket

Part Number: JTF428

Teeth: 14

Available Sizes: 12, 13, 14, 15, 16

Rear Sprocket

Part Number: TBA

Teeth: 51

Available Sizes:

Drive Chain

Pitch: 428

Length: 108

Please note that the chain shown in this listing is for size reference only. For the correct chain type and grade, please refer to the vehicle's manufacturer manual.

Gear Ratio Chart

Full Gear Ratio Chart (pdf)