SERVICE SCHEDULE 18
8.1Important maintenance work to be carried out by an authorized KTM workshop.
S20A S40A
Engine
Change the gear oil. x ( p. 55)
•
Check spark plug and replace if required. x
• •
Clean spark plug connectors and check for tightness. x
• •
Check engine mounting screws for tightness. • •
Carburetor Check intake flange and carburetor connection boots for cracks and leakage. •
Check idle. • •
Check vent hoses for damage and routing without sharp bends. •
Attachments Check the cooling system for leakage. •
Check the antifreeze and coolant level. ( p. 49) •
Check exhaust system for leakage and looseness. • •
Check throttle cables for damage, smooth operation and routing without sharp bends. •
Check the fluid level of the hydraulic clutch. ( p. 35) • •
Clean the air filter. x ( p. 53)
• •
Brakes Check the front brake linings. ( p. 38) •
Check the rear brake linings. ( p. 43) •
Check the brake discs. ( p. 36) •
Check the front brake fluid level. ( p. 37) • •
Check the rear brake fluid level. ( p. 42) • •
Check brake lines for damage and leakage. •
Check the free play of the hand brake lever. ( p. 36) • •
Check the free travel of the foot brake lever. ( p. 40) • •
Check the function of the brake system. • •
Check screws and guide bolts of brake system for tightness. • •
Chassis
Check shock absorber and fork for leakage and functioning. x
• •
Clean the dust boots of the fork legs. ( p. 25) • •
Bleed fork legs. ( p. 24) • •
Check swingarm bearing. •
Check play of steering head bearing. ( p. 25) •
Check all screws to see if they are tight. • •
Wheels Check the spoke tension. ( p. 48) • •
Check rim run-out. • •
Check the tire condition. ( p. 47) • •
Check the tire air pressure. ( p. 47) • •
Check the chain wear. • •
Check the chain tension. ( p. 32) • •
Clean the chain. ( p. 32) • •
Check wheel bearing for play. • •
Clean and grease adjusting screws of chain adjuster. • •
S20A: every 20 service hours
S40A: every 40 service hours
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