JT Sprockets

Online Catalogue

Honda CM400 T

Front Sprocket

Steel Front Sprocket

Part Number: JTF278

Teeth: 16

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

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR246

Teeth: 36

Available Sizes: 34, 35, 36, 37, 41

Steel Rear Sprocket

Part Number: JTR246B

Teeth: 36 Check Availability

Available Sizes:

Drive Chain

Pitch: 530

Length: 102

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
1415161718
Rear Sprocket342.43
+7.9%
2.27
+0.7%
2.12
-5.6%
2.00
-11.1%
1.89
-16.0%
352.50
+11.1%
2.33
+3.7%
2.19
-2.8%
2.06
-8.5%
1.94
-13.6%
362.57
+14.3%
2.40
+6.7%
2.25
standard
2.12
-5.9%
2.00
-11.1%
372.64
+17.5%
2.47
+9.6%
2.31
+2.8%
2.18
-3.3%
2.06
-8.6%
412.93
+30.2%
2.73
+21.5%
2.56
+13.9%
2.41
+7.2%
2.28
+1.2%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)