JT Sprockets

Online Catalogue

Kawasaki ER-6f (EX650 A6F,A7F,A8F,B6F,B7F,B8F,D9F,DAF,DBF)

2006 to 2011

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF565RB

Teeth: 15

Available Sizes: 14, 15, 16

Steel Front Sprocket

Part Number: JTF565

Teeth: 15

Available Sizes: 12, 13, 14, 15, 16, 17, 18

Lightweight Self-Cleaning Front Sprocket

Part Number: JTF565SC

Teeth: 15 Check Availability

Available Sizes: 12, 13, 14

JTF565SC is a Lightweight front sprocket with self-cleaning grooves

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR478

Teeth: 46

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

Heat-Induction Hardened Zinc Black Rear Sprocket

Part Number: JTR478ZBK

Teeth: 46

Available Sizes: 43, 45, 46

Racelite Aluminium Rear Race Sprocket

Part Number: JTA478BLK

Teeth: 46

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

TeethFront Sprocket
12131415161718
Rear Sprocket433.58
+16.8%		3.31
+7.9%		3.07
+0.2%		2.87
-6.5%		2.69
-12.4%		2.53
-17.5%		2.39
-22.1%
453.75
+22.3%		3.46
+12.9%		3.21
+4.8%		3.00
-2.2%		2.81
-8.3%		2.65
-13.7%		2.50
-18.5%
463.83
+25.0%		3.54
+15.4%		3.29
+7.1%		3.07
standard		2.88
-6.2%		2.71
-11.8%		2.56
-16.7%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)