JT Sprockets

Online Catalogue

Honda CM400 T — USA

1979 to 1981

Front Sprocket

Part Number: JTF278

Teeth: 16

Available Sizes: 14, 15, 16, 17, 18

Rear Sprocket

Part Number: JTR246

Teeth: 35

Available Sizes: 34, 35, 36, 37, 41

To be fitted with JTR246B on some models

Drive Chain

Pitch: 530

Length: 102

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)

Teeth1415161718
342.432.272.122.001.89
352.502.332.192.061.94
362.572.402.252.122.00
372.642.472.312.182.06
412.932.732.562.412.28