JT Sprockets

Online Catalogue

Yamaha YZ250 FX-F/G — USA

Off Road

2015
Front Sprocket
Part No.Teeth
JTF1590SC13
Available Sizes
13, 14
JTF1590SC is a Lightweight Self-Cleaning sprocket
Rear Sprocket
Part No.Teeth
JTR25151
Available Sizes
48, 49, 50, 51
Aluminium Rear Sprocket
Part No.Teeth
JTA25151
Available Sizes
48, 49, 50, 51, 52
Chain
PitchLength
520114

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)

Teeth1314
483.693.43
493.773.50
503.853.57
513.923.64
524.003.71