JT Sprockets

Online Catalogue

Yamaha FJ1200 S,T,CS,CT — USA

1986 to 1987

Front Sprocket

Part Number: JTF579

Teeth: 17

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

Available as JTF579RB Rubber Cushioned - Direct OEM Replacement

Rear Sprocket

Part Number: JTR859

Teeth: 41

Available Sizes: 38, 39, 40, 41, 42, 43, 44, 46, 47, 48, 49

Drive Chain

Pitch: 530

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)

Teeth1415161718
382.712.532.382.242.11
392.792.602.442.292.17
402.862.672.502.352.22
412.932.732.562.412.28
423.002.802.622.472.33
433.072.872.692.532.39
443.142.932.752.592.44
463.293.072.882.712.56
473.363.132.942.762.61
483.433.203.002.822.67
493.503.273.062.882.72