JT Sprockets

Online Catalogue

Kawasaki BN125 A9F Eliminator

2009

Front Sprocket

Steel Front Sprocket

Part Number: JTF417

Teeth: 15

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

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR468

Teeth: 46

Available Sizes: 34, 36, 39, 42, 46

Drive Chain

Pitch: 428

Length: 132

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

TeethFront Sprocket
1314151617
Rear Sprocket342.62
-14.7%
2.43
-20.8%
2.27
-26.1%
2.12
-30.7%
2.00
-34.8%
362.77
-9.7%
2.57
-16.1%
2.40
-21.7%
2.25
-26.6%
2.12
-30.9%
393.00
-2.2%
2.79
-9.2%
2.60
-15.2%
2.44
-20.5%
2.29
-25.2%
423.23
+5.4%
3.00
-2.2%
2.80
-8.7%
2.62
-14.4%
2.47
-19.4%
463.54
+15.4%
3.29
+7.1%
3.07
standard
2.88
-6.2%
2.71
-11.8%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)