JT Sprockets

Online Catalogue

Kawasaki KX80 G1-G2,H2 >>> 428 Chain Conversion

1986 to 1987

Front Sprocket

Steel Front Sprocket

Part Number: JTF555

Teeth: 13

Available Sizes: 13, 14, 15

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR462

Teeth: 49

Available Sizes: 49, 50, 51, 54

Racelite Aluminium Rear Race Sprocket

Part Number: JTA462BLK

Teeth: 49

Available Sizes: 49, 51, 52, 54

Drive Chain

Pitch: 428

Length: 120

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
13
Rear Sprocket493.77
standard

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)