JT Sprockets

Online Catalogue

Kawasaki EX300 Ninja 300 ABS Winter Test Edition

2017

Front Sprocket

Part Number: JTF1539

Teeth: 14

Available Sizes: 14, 15

Available as JTF1539RB Rubber Cushioned - Direct OEM Replacement

Rear Sprocket

Part Number: JTR486

Teeth: 42

Available Sizes: 38, 39, 41, 42, 43, 44, 45, 46, 47

Drive Chain

Pitch: 520

Length: 106

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)

Teeth1415
382.712.53
392.792.60
412.932.73
423.002.80
433.072.87
443.142.93
453.213.00
463.293.07
473.363.13