SERVICE SCHEDULE 23
8.1Important maintenance work that must be done in an authorized KTM workshop
S10N S20A S40A
Engine Check the gear oil level. ( p. 68) • •
Change the gear oil. x ( p. 69)
• •
Check spark plug and replace if required. x
• • •
Clean the spark plug connectors and check for tightness. x
• •
Check that the screws in the shift lever and the kickstarter are tight. • • •
Check the engine mounting screws for tightness. • • •
Carburetor Check intake flange and carburetor connection boot 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. 58) • •
Check the exhaust system for leakage and looseness. • •
Check the cables for damage, smooth operation and routing without sharp bends. • • •
Check the fluid level of the hydraulic clutch. ( p. 64) • • •
Clean the air filter. x ( p. 63)
• • •
Check the cables for damage and routing without sharp bends. • •
Brakes Check the front brake linings. ( p. 44) • •
Check the rear brake linings. ( p. 48) • •
Check the brake discs. ( p. 42) • •
Check the front brake fluid level. ( p. 43) • • •
Check the rear brake fluid level. ( p. 47) • • •
Check the brake lines for damage and leakage. • •
Check the free travel of the hand brake lever. ( p. 43) • • •
Check the free play of the foot brake lever. ( p. 46) • • •
Check the brake system function. • • •
Check the screws and guide bolts of the brake system for tightness. • • •
Chassis
Check the shock absorber and fork for leakage and functioning. x
• • •
Clean the dust boots of the fork legs. ( p. 32) • • •
Bleed the fork legs. ( p. 32) • • •
Check the swingarm bearing. • •
Check the frame and swingarm for damage. • •
Check the play of the steering head bearing. ( p. 33) • •
Check all screws to see if they are tight. • •
Wheels Check the spoke tension. ( p. 54) • • •
Check the wheel hubs for damage. • • •
Check rim run-out. • • •
Check the tire condition. ( p. 53) • • •
Check the tire air pressure. ( p. 54) • • •
Check chain wear. ( p. 40) • • •
Check the chain tension. ( p. 40) • • •
Clean the chain. ( p. 39) • • •
Check the wheel bearing for play. • •
Clean and grease the adjusting screws of chain adjuster. • • •
S10N: Once after 10 service hours - corresponds to about 70 liters of fuel (18.5 US gal)
S20A: Every 20 service hours - corresponds to about 140 liters of fuel (37 US gal)
S40A: Every 40 service hours - corresponds to about 280 liters of fuel (74 US gal) / after a race
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