JT Sprockets

Online Catalogue

Suzuki GSX400 FWS D (GK71A)

1983 to 1984

Front Sprocket

Steel Front Sprocket

Part Number: JTF435

Teeth: 15

Available Sizes: 14, 15

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR816

Teeth: 46

Available Sizes: 38, 39, 40, 42, 43, 44, 45, 46, 47, 48, 49, 50, 52

Drive Chain

Pitch: 530

Length: 112

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
1415
Rear Sprocket382.71
-11.5%
2.53
-17.4%
392.79
-9.2%
2.60
-15.2%
402.86
-6.8%
2.67
-13.0%
423.00
-2.2%
2.80
-8.7%
433.07
+0.2%
2.87
-6.5%
443.14
+2.5%
2.93
-4.3%
453.21
+4.8%
3.00
-2.2%
463.29
+7.1%
3.07
standard
473.36
+9.5%
3.13
+2.2%
483.43
+11.8%
3.20
+4.3%
493.50
+14.1%
3.27
+6.5%
503.57
+16.5%
3.33
+8.7%
523.71
+21.1%
3.47
+13.0%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)