JT Sprockets

Online Catalogue

Kawasaki ZR550 B2-B8 Zephyr

1991 to 2000

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF512RB

Teeth: 16

Available Sizes: 15, 16, 17

Steel Front Sprocket

Part Number: JTF512

Teeth: 16

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

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR486

Teeth: 38

Available Sizes: 38, 39, 41, 42, 43, 44, 45, 46, 47

Drive Chain

Pitch: 520

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
1314151617
Rear Sprocket382.92
+23.1%
2.71
+14.3%
2.53
+6.7%
2.38
standard
2.24
-5.9%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)