JT Sprockets

Online Catalogue

Honda XL250 S2,3S2 (MD30) — Japan

Front Sprocket

Steel Front Sprocket

Part Number: JTF327

Teeth: 13

Available Sizes: 11, 12, 13, 14, 15

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR210

Teeth: 39

Available Sizes: 38, 39, 40, 42, 43, 44, 46, 55

Lightweight Self-Cleaning Rear Sprocket

Part Number: JTR210SC

Teeth: 39 Check Availability

Available Sizes: 45, 47, 48, 49, 50, 51, 52, 53

Drive Chain

Pitch: 520

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
13
Rear Sprocket393.00
standard
453.46
+15.4%
473.62
+20.5%
483.69
+23.1%
493.77
+25.6%
503.85
+28.2%
513.92
+30.8%
524.00
+33.3%
534.08
+35.9%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)