KTM 450 SX ATV, Owner'S Manual

Page: 47 / 190

SERVICE SCHEDULE
45
8.1
Important maintenance work to be carried out by an authorized KTM workshop
S3N S10A S30A
Engine
Change the engine oil and oil filter, clean the oil screen.
x
( p. 145) • • •
Replace spark plug. •
Check the valve clearance and adjust if necessary. • • •
Check engine mounting screws for tightness. • • •
Clean spark plug connectors and check for tightness. • • •
Check shift lever screw for tightness. • • •
carburetor Check carburetor connection boots for cracks and leakage. • •
Check vent hoses for damage and routing without sharp bends. • • •
Check idle. • • •
Attachments Check the cooling system for leaks. • • •
Check the antifreeze and coolant level. ( p. 135) • • •
Check the exhaust system for leakage and faulty attachment. • •
Check control cables for damage, smooth operation and routing without sharp bends. • • •
Check the fluid level of the hydraulic clutch. ( p. 133) • • •
Clean the air filter.
x
( p. 132) • • •
Check cables for damage and kink-free routing. • •
Brakes Check the front brake linings. ( p. 92) • • •
Check the rear brake linings. ( p. 102) • • •
Check the brake discs. ( p. 87) • • •
Check the front brake fluid level. ( p. 89) • • •
Check the rear brake fluid level. ( p. 99) • • •
Check that brake lines are undamaged and free of leaks. • • •