9 SERVICE SCHEDULE 27
9.1 All SX models
9.1.1 Service schedule
Every 20 operating hours
Every 10 operating hours/after every race
Change the gear oil. (All 125/150 models) ● ●
Change the gear oil. (250 SX) ●
Check the front brake linings. ( p. 77) ● ●
Check the rear brake linings. ( p. 82) ● ●
Check the brake discs. ( p. 75) ● ●
Check the brake lines for damage and leakage. ● ●
Check the rear brake fluid level. ( p. 80) ● ●
Check the free travel of the foot brake lever. ( p. 79) ● ●
Check the frame and swingarm. ● ●
Check the swingarm bearing. ●
Check the shock absorber linkage. ● ●
Check the tire condition. ( p. 86) ● ●
Check the tire air pressure. ( p. 87) ● ●
Check the wheel bearing for play. ● ●
Check the wheel hubs. ● ●
Check the rim run-out. ● ●
Check the spoke tension. ( p. 87) ● ●
Check the chain, rear sprocket, engine sprocket, and chain guide. ( p. 68) ● ●
Check the chain tension. ( p. 67) ● ●
Grease all moving parts (e.g., hand lever, chain, ...) and check for smooth operation. ● ●
Check/rectify the fluid level of the hydraulic clutch. ( p. 73) ● ●
Check the front brake fluid level. ( p. 76) ● ●
Check the free travel of the hand brake lever. ( p. 75) ● ●
Check the play of the steering head bearing. ( p. 50) ● ●
Change the piston and check the cylinder and Z dimension. (All 125/150 models) ●
Change the piston and check the cylinder. (250 SX) ●
Change the piston and check the cylinder and Z dimension. (under difficult operating conditions) (All 125/150 mod-
els)
● ●
Change the piston and check the cylinder. (under difficult operating conditions) (250 SX) ● ●
Change the spark plug and spark plug connector. (All 125/150 models) ● ●
Change the spark plug and spark plug connector. (250 SX) ●
Check the inlet membrane. ● ●
Check the exhaust control for functioning and smooth operation. ●
Check the clutch. ● ●
Check all hoses (e.g. fuel, cooling, bleeder, drainage, etc.) and sleeves for cracking, leaks, and incorrect routing. ● ●
Check the antifreeze and coolant level. ( p. 93) ● ●
Check the cables for damage and routing without sharp bends. ● ●
Check that the throttle cables are undamaged, routed without sharp bends, and set correctly. ● ●
Clean the air filter and air filter box. ( p. 59) ● ●
Change glass fiber yarn filling in the main silencer. ( p. 62) ●
Check the screws and nuts for tightness. ● ●
Check idle. ● ●
Final check: Check the vehicle for safe operation and take a test ride. ● ●
Make the service entry in the KTM Dealer.net and in the Service and Warranty Booklet. ● ●
● Periodic interval
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