JT Sprockets

Online Catalogue

Kawasaki KDX420 B1


Front Sprocket

Part Number: JTF507

Teeth: 15

Available Sizes: 13, 14, 15

Rear Sprocket

Part Number: TBA

Teeth: 50

Available Sizes:

Drive Chain

Pitch: 520

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

Full Gear Ratio Chart (pdf)