JT Sprockets

Online Catalogue

KTM 600 LC4 Enduro

1988 to 1989

Front Sprocket

Steel Front Sprocket

Part Number: JTF1902

Teeth: 15

Available Sizes: 12, 13, 14, 15, 16, 17

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF1902RB

Teeth: 15

Available Sizes: 15, 16, 17

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR896

Teeth: 45

Available Sizes: 45, 48, 50, 52

Aluminium Rear Race Sprocket

Part Number: JTA896

Teeth: 45 Check Availability

Available Sizes: 48, 50, 52

Drive Chain

Pitch: 520

Length: 114

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
121314151617
Rear Sprocket453.75
+25.0%
3.46
+15.4%
3.21
+7.1%
3.00
standard
2.81
-6.2%
2.65
-11.8%
484.00
+33.3%
3.69
+23.1%
3.43
+14.3%
3.20
+6.7%
3.00
standard
2.82
-5.9%
504.17
+38.9%
3.85
+28.2%
3.57
+19.0%
3.33
+11.1%
3.12
+4.2%
2.94
-2.0%
524.33
+44.4%
4.00
+33.3%
3.71
+23.8%
3.47
+15.6%
3.25
+8.3%
3.06
+2.0%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)