1983 KTM 495XC
1983 KTM 495MX
1983 KTM 420XC
1983 KTM 420GS
1984 KTM 495MXC
1984 KTM 495MX
1984 KTM 420MXC
1984 KTM 420GS

Table of Contents:
TECHNICAL DATA - FRAME
Instructions for first operation, Maintenance on frame.

TYPE OF ENGINE / TECHNICAL DATA - ENGINE
Tolerances specifications, Gasket thicknesses, Torque specifications, Special KTM service tools.

REMOVING AND REFITTING ENGINE / DISMANTLING THE ENGINE

SERVICING ON INDIVIDUAL COMPONENTS
Engine: Replacing gearbox bearings, Crankshaft bearings - Outer bearing rings, Crankshaft: Replacement of bearings, Checking crankshaft end play, Kick starter assembly, Gearbox: Drive shaft assembly, Driven shaft assembly, Gear shift assembly, Clutch, Piston, piston ring, cylinder, Reed valve

ENGINE ASSEMBLY
Refitting the gearbox, Gear shift assembly, Crankshaft, Primary drive-clutch, Piston and cylinder, Adjusting the Dimension, Ignition, Adjusting the Timing