JT Sprockets

Online Catalogue

Honda CL250 SC

1982 to 1984

Front Sprocket

Steel Front Sprocket

Part Number: JTF281

Teeth: 14

Available Sizes: 13, 14, 15, 16

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR245/2

Teeth: 51

Available Sizes: 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53

Drive Chain

Pitch: 520

Length: 106

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
13141516
Rear Sprocket382.92
-19.8%
2.71
-25.5%
2.53
-30.5%
2.38
-34.8%
393.00
-17.6%
2.79
-23.5%
2.60
-28.6%
2.44
-33.1%
403.08
-15.5%
2.86
-21.6%
2.67
-26.8%
2.50
-31.4%
413.15
-13.4%
2.93
-19.6%
2.73
-25.0%
2.56
-29.7%
423.23
-11.3%
3.00
-17.6%
2.80
-23.1%
2.62
-27.9%
433.31
-9.2%
3.07
-15.7%
2.87
-21.3%
2.69
-26.2%
443.38
-7.1%
3.14
-13.7%
2.93
-19.5%
2.75
-24.5%
453.46
-5.0%
3.21
-11.8%
3.00
-17.6%
2.81
-22.8%
463.54
-2.9%
3.29
-9.8%
3.07
-15.8%
2.88
-21.1%
473.62
-0.8%
3.36
-7.8%
3.13
-14.0%
2.94
-19.4%
483.69
+1.4%
3.43
-5.9%
3.20
-12.2%
3.00
-17.6%
493.77
+3.5%
3.50
-3.9%
3.27
-10.3%
3.06
-15.9%
503.85
+5.6%
3.57
-2.0%
3.33
-8.5%
3.12
-14.2%
513.92
+7.7%
3.64
standard
3.40
-6.7%
3.19
-12.5%
524.00
+9.8%
3.71
+2.0%
3.47
-4.8%
3.25
-10.8%
534.08
+11.9%
3.79
+3.9%
3.53
-3.0%
3.31
-9.1%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)