JT Sprockets

Online Catalogue

Kawasaki GPZ250 C1,C2,C3 Belt Drive Conversion

1983 to 1985

Front Sprocket

Steel Front Sprocket

Part Number: JTF424

Teeth: 15

Available Sizes: 14, 15, 16, 17

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR476

Teeth: 35

Available Sizes: 33, 35, 40, 41, 43, 44, 45

Drive Chain

Pitch: 530

Length: 98

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
14151617
Rear Sprocket332.36
+1.0%
2.20
-5.7%
2.06
-11.6%
1.94
-16.8%
352.50
+7.1%
2.33
standard
2.19
-6.3%
2.06
-11.8%
402.86
+22.4%
2.67
+14.3%
2.50
+7.1%
2.35
+0.8%
412.93
+25.5%
2.73
+17.1%
2.56
+9.8%
2.41
+3.4%
433.07
+31.6%
2.87
+22.9%
2.69
+15.2%
2.53
+8.4%
443.14
+34.7%
2.93
+25.7%
2.75
+17.9%
2.59
+10.9%
453.21
+37.8%
3.00
+28.6%
2.81
+20.5%
2.65
+13.4%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)