JT Sprockets

Online Catalogue

Kawasaki KZ650 B1,B2,B2A,B3 — USA

1977 to 1979

Front Sprocket

Steel Front Sprocket

Part Number: JTF513

Teeth: 16

Available Sizes: 13, 14, 15, 16, 17, 18

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR481

Teeth: 42

Available Sizes: 40, 42, 45

Drive Chain

Pitch: 530

Length: 102

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
Rear Sprocket422.80

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)