JT Sprockets

Online Catalogue

Suzuki RG125 UC-G,H,J,K,L,M,N (12BHP)

1986 to 1992

Front Sprocket

Steel Front Sprocket

Part Number: JTF1425

Teeth: 15

Available Sizes: 13, 14, 15

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR810

Teeth: 42

Available Sizes: 36, 37, 38, 41, 42, 43, 46, 47, 48, 49, 50

Drive Chain

Pitch: 428

Length: 128

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)