JT Sprockets

Online Catalogue

KTM 625 SMC

2004

Front Sprocket

Part Number: JTF1902

Teeth: 16

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

Available as JTF1902RB Rubber Cushioned - Direct OEM Replacement

Rear Sprocket

Part Number: JTR897

Teeth: 38

Available Sizes: 38, 40, 41, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53

Aluminium Rear Sprocket

Part Number: JTA897

Teeth: 38

Available Sizes: 38, 40, 42, 45, 47, 48, 49, 50, 51, 52

Drive Chain

Pitch: 520

Length: 118

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)

Teeth121314151617
383.172.922.712.532.382.24
403.333.082.862.672.502.35
413.423.152.932.732.562.41
423.503.233.002.802.622.47
443.673.383.142.932.752.59
453.753.463.213.002.812.65
463.833.543.293.072.882.71
473.923.623.363.132.942.76
484.003.693.433.203.002.82
494.083.773.503.273.062.88
504.173.853.573.333.122.94
514.253.923.643.403.193.00
524.334.003.713.473.253.06
534.424.083.793.533.313.12