JT Sprockets

Online Catalogue

Kawasaki ZR750 C1-C4 Zephyr

1991 to 1994

Front Sprocket

Steel Front Sprocket

Part Number: JTF520

Teeth: 15

Available Sizes: 14, 15, 16, 17

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF520RB

Teeth: 15

Available Sizes: 14, 15, 16, 17

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR498

Teeth: 39

Available Sizes: 38, 39, 40, 44, 45, 46

Drive Chain

Pitch: 525

Length: 106

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 Sprocket382.71
+4.4%
2.53
-2.6%
2.38
-8.7%
2.24
-14.0%
392.79
+7.1%
2.60
standard
2.44
-6.2%
2.29
-11.8%
402.86
+9.9%
2.67
+2.6%
2.50
-3.8%
2.35
-9.5%
443.14
+20.9%
2.93
+12.8%
2.75
+5.8%
2.59
-0.5%
453.21
+23.6%
3.00
+15.4%
2.81
+8.2%
2.65
+1.8%
463.29
+26.4%
3.07
+17.9%
2.88
+10.6%
2.71
+4.1%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)