JT Sprockets

Online Catalogue

Suzuki GSX-R750 K4,K5 Fuel Injection — USA

2004 to 2005

Front Sprocket

Steel Front Sprocket

Part Number: JTF520

Teeth: 17

Available Sizes: 14, 15, 16, 17

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF520RB

Teeth: 17

Available Sizes: 14, 15, 16, 17

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR1792

Teeth: 42

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

Drive Chain

Pitch: 525

Length: 110

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
14151617
Rear Sprocket402.86
+15.6%
2.67
+7.9%
2.50
+1.2%
2.35
-4.8%
412.93
+18.5%
2.73
+10.6%
2.56
+3.7%
2.41
-2.4%
423.00
+21.4%
2.80
+13.3%
2.62
+6.2%
2.47
standard
433.07
+24.3%
2.87
+16.0%
2.69
+8.8%
2.53
+2.4%
443.14
+27.2%
2.93
+18.7%
2.75
+11.3%
2.59
+4.8%
453.21
+30.1%
3.00
+21.4%
2.81
+13.8%
2.65
+7.1%
473.36
+35.9%
3.13
+26.8%
2.94
+18.9%
2.76
+11.9%
483.43
+38.8%
3.20
+29.5%
3.00
+21.4%
2.82
+14.3%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)