JT Sprockets

Online Catalogue

Honda CB400 F2N,F2R,F2S,F2T,F2V Super Four (NC31) — Japan

Front Sprocket

Part Number: JTF297

Teeth: 15

Available Sizes: 14, 15, 16

Available as JTF297RB Rubber Cushioned - Direct OEM Replacement

Rear Sprocket

Part Number: JTR1332

Teeth: 42

Available Sizes: 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 47

Drive Chain

Pitch: 525

Length: 110

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)

Teeth141516
362.572.402.25
372.642.472.31
382.712.532.38
402.862.672.50
412.932.732.56
423.002.802.62
433.072.872.69
443.142.932.75
453.213.002.81
463.293.072.88
473.363.132.94