JT Sprockets Catalogue

KTM 250 EXC Enduro USA

2005

Front Sprocket:

JTF1901SC

Teeth:

13

Rear Sprocket:

JTR897

Teeth:

50

Alloy Rear Sprocket:

JTA897

Teeth:

50

Chain Pitch:

520

Length:

-

 

JTF1901SC is a lightweight front sprocket with self-cleaning grooves

Front sprocket available in: 13, 14 teeth

Rear sprocket available in: 38, 40, 42, 44, 45, 46, 47, 48, 49, 50, 52 teeth

Alloy Rear sprocket available in: 38, 40, 42, 45, 47, 48, 49, 50, 51, 52 teeth

Very important: 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

Full Gear Ratio Chart (pdf)

Teeth1314
382.922.71
403.082.86
423.233.00
443.383.14
453.463.21
463.543.29
473.623.36
483.693.43
493.773.50
503.853.57
513.923.64
524.003.71

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