JT Sprockets

Online Catalogue

Kawasaki GPZ900 R A1-A3 (ZX) Ninja — USA

1984 to 1986

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF517RB

Teeth: 17

Available Sizes: 17

Steel Front Sprocket

Part Number: JTF517

Teeth: 17

Available Sizes: 15, 16, 17, 18

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR502

Teeth: 50

Available Sizes: 42, 44, 45, 46, 47, 48, 49, 50

Drive Chain

Pitch: 530

Length: 114

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
15161718
Rear Sprocket503.33
+13.3%
3.12
+6.2%
2.94
standard
2.78
-5.6%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)