JT Sprockets

Online Catalogue

Yamaha YZF600R Thunder Cat <<< 520 Chain Conversion

1996 to 2003

Front Sprocket

Steel Front Sprocket

Part Number: JTF512

Teeth: 15

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

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF512RB

Teeth: 15

Available Sizes: 15, 16, 17

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR245/3

Teeth: 47

Available Sizes: 42, 43, 45, 47

Drive Chain

Pitch: 520

Length: 108

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
151617
Rear Sprocket473.13
standard
2.94
-6.2%
2.76
-11.8%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)