Online Catalogue

Kawasaki ZX-4RR ABS 40th Anniversary Ed

2024

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF1539RB

Teeth: 14

Available Sizes: 14

Steel Front Sprocket

Part Number: JTF1539

Teeth: 14

Available Sizes: 14, 15

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR478

Teeth: 48

Available Sizes: 38, 42, 43, 45, 46, 48, 54

Heat-Induction Hardened Zinc Black Rear Sprocket

Part Number: JTR478ZBK

Teeth: 48 Check Availability

Available Sizes: 43, 45, 46

Racelite Aluminium Rear Race Sprocket

Part Number: JTA478BLK

Teeth: 48

Available Sizes: 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49

Drive Chain

Pitch: 520

Length: 114

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

Teeth		Front Sprocket
Teeth		14	15
Rear Sprocket	43	3.07 -10.4%	2.87 -16.4%
	45	3.21 -6.2%	3.00 -12.5%
	46	3.29 -4.2%	3.07 -10.6%
	48	3.43 standard	3.20 -6.7%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)