JT Sprockets

Online Catalogue

Yamaha V90

1975 to 1978

Front Sprocket

Part Number: JTF546

Teeth: 14

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

Rear Sprocket

Part Number: JTR834

Teeth: 36

Available Sizes: 25, 26, 28, 29, 30, 31, 32, 35, 36, 37, 38, 39, 41, 43, 45, 48, 52

Drive Chain

Pitch: 420

Length: 100

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)

Teeth1213141516
252.081.921.791.671.56
262.172.001.861.731.62
282.332.152.001.871.75
292.422.232.071.931.81
302.502.312.142.001.88
312.582.382.212.071.94
322.672.462.292.132.00
352.922.692.502.332.19
363.002.772.572.402.25
373.082.852.642.472.31
383.172.922.712.532.38
393.253.002.792.602.44
413.423.152.932.732.56
433.583.313.072.872.69
453.753.463.213.002.81
484.003.693.433.203.00
524.334.003.713.473.25