JT Sprockets

Online Catalogue

Yamaha TT250 R (4PXA,4PX9)

Off Road

2003 to 2004
Front Sprocket
Part No.Teeth
JTF58314
Available Sizes
13, 14, 15
Rear Sprocket
Part No.Teeth
JTR85344
Available Sizes
38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52
Aluminium Rear Sprocket
Part No.Teeth
JTA85344
Available Sizes
40, 41, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52
Chain
PitchLength
520106

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)

Teeth131415
382.922.712.53
403.082.862.67
413.152.932.73
423.233.002.80
433.313.072.87
443.383.142.93
453.463.213.00
463.543.293.07
473.623.363.13
483.693.433.20
493.773.503.27
503.853.573.33
513.923.643.40
524.003.713.47