Online Catalogue
KTM 420 Enduro
1981 to 1983
Front Sprocket
Lightweight Self-Cleaning Front Sprocket
Rear Sprocket
Drive Chain
Pitch: 520
Length: 116
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
| Teeth | Front Sprocket | |||||
| 11 | 12 | 13 | 14 | 15 | ||
| Rear Sprocket | 52 | 4.73 +27.3% | 4.33 +16.7% | 4.00 +7.7% | 3.71 standard | 3.47 -6.7% |
Lower gear ratios allow for higher top speeds.
Higher gear ratios increase torque for better acceleration.
JTF1901SC is a Lightweight Self-Cleaning sprocket