JT Sprockets

Online Catalogue

Yamaha DTR50 (DT50R) — Norway

1989 onwards

Front Sprocket

Part Number: JTF563

Teeth: 11

Available Sizes: 11, 12, 13, 14, 15, 16, 17

Rear Sprocket

Part Number: JTR832

Teeth: 48

Available Sizes: 30, 32, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52

Drive Chain

Pitch: 420

Length: 126

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)

Teeth11121314151617
302.732.502.312.142.001.881.76
322.912.672.462.292.132.001.88
373.363.082.852.642.472.312.18
383.453.172.922.712.532.382.24
393.553.253.002.792.602.442.29
403.643.333.082.862.672.502.35
413.733.423.152.932.732.562.41
423.823.503.233.002.802.622.47
433.913.583.313.072.872.692.53
444.003.673.383.142.932.752.59
454.093.753.463.213.002.812.65
464.183.833.543.293.072.882.71
474.273.923.623.363.132.942.76
484.364.003.693.433.203.002.82
494.454.083.773.503.273.062.88
504.554.173.853.573.333.122.94
514.644.253.923.643.403.193.00
524.734.334.003.713.473.253.06