JT Sprockets

Online Catalogue

Suzuki GSX400 F-J,K,AK,L (GK74A) — Japan

1988 to 1990

Front Sprocket

Steel Front Sprocket

Part Number: JTF433

Teeth: 14

Available Sizes: 14, 15, 16

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR807

Teeth: 49

Available Sizes: 42, 44, 45, 46, 47, 48, 49

Drive Chain

Pitch: 525

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
141516
Rear Sprocket423.00
-14.3%
2.80
-20.0%
2.62
-25.0%
443.14
-10.2%
2.93
-16.2%
2.75
-21.4%
453.21
-8.2%
3.00
-14.3%
2.81
-19.6%
463.29
-6.1%
3.07
-12.4%
2.88
-17.9%
473.36
-4.1%
3.13
-10.5%
2.94
-16.1%
483.43
-2.0%
3.20
-8.6%
3.00
-14.3%
493.50
standard
3.27
-6.7%
3.06
-12.5%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)