JT Sprockets

Online Catalogue

Yamaha SR400 — Japan

1988 to 2013

Front Sprocket

Part Number: JTF1587

Teeth: 19

Available Sizes: 19, 20

Rear Sprocket

Part Number: JTR1839

Teeth: 56

Available Sizes: 55, 56

Drive Chain

Pitch: 428

Length: 130

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)

Teeth1920
552.892.75
562.952.80