KTM 50 SX Owner's Manual page 16

PERIODIC MAINTENANCE SCHEDULE
50 SX JUNIOR
50 SX
ADDITIONAL SERVICE WORK TO BE PERFORMED UNDER A SEPARATE ORDER
Check the reed-type intake valve for wear
Check the clutch shoes for wear
Check the clutch drum for wear
Check the water pump shaft and bearings for wear
Check the water pump wheel for wear
Check the cylinder and piston for wear
Check the eccentricity of the crankshaft journal
Check the radial clearance of the conrod bearings
Check the radial clearance of the piston pin main bearing
Check the crankshaft main bearing for wear
Replace the crankshaft bearings and conrod bearings
Check the entire transmission including bearings for wear
Drain and clean the carburetor's float chamber
Perform complete fork maintenance
Perform complete shock absorber maintenance
Clean and lubricate the swinging-arm bearing
Clean and lubricate the steering-head bearing and sealing elements
Change brake fluid
NOTE: If the inspection establishes that permissible tolerances are exceeded, the respective components must be replaced.
The kilometer reading for inspection intervals should not exceed 5 hours.
Maintenance work performed by your authorized KTM workshop is not a substitute for care and maintenance by the driver!
NOTE: A service hour counter (item no.: SXS05450600) is available from your KTM dealer for strict observance of the service
intervals.
50 SX JUNIOR
50 SX
VITAL CHECKS AND CARE PROCEDURES TO BE CONDUCTED BY THE OWNER OR THE MECHANIC
Check transmission oil level
Check cooling liquid level
Check brake fluid level
Check brake pads for wear
Check brake performance
Lubricate and adjust actuating cables and nipples
Remove and clean dust sleeves of telescopic fork at regular intervals
Clean and lubricate chain, check tension and readjust it if necessary
Clean air filter and filter box
Check tire inflation pressure and wear
Check fuel line for leaks
Drain and clean float chamber
Verify smooth operation of all controls
Treat exposed metal components (except for the brake and exhaust systems)
with wax-based anti-corrosion agents
Check all screws, nuts, and hose clamps for their tight fit at regular intervals
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