Online Catalogue
KTM 495 MX
1981 to 1984
Front Sprocket
Lightweight Self-Cleaning Front Sprocket
Part Number: JTF1901SC
Teeth: 14
Available Sizes: 13, 14, 15, 16
Steel Front Sprocket
Part Number: JTF1901
Teeth: 14
Available Sizes: 11, 12, 13, 14, 15
OE Type Rubber Cushioned Front Sprocket
Part Number: JTF1901RB
Teeth: 14
Available Sizes: 13, 14
Rear Sprocket
Steel Rear Sprocket
Part Number: JTR896
Teeth: 52
Available Sizes: 45, 48, 50, 52
Racelite Aluminium Rear Race Sprocket
Part Number: JTA896BLK
Teeth: 52
Available Sizes: 48, 50, 52
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.
Full Gear Ratio Chart (pdf)
JTF1901SC is a Lightweight Self-Cleaning sprocket