| Service work | After 1 operating hour | Every 15 operating hours | Every 45 operating hours | Every 90 operating hours | Every 24 months |
|---|---|---|---|---|---|
| Check the spoke tension. (📖 p. 143) | ○ | ● | ● | ● | |
| Check the chain, rear sprocket, engine sprocket, and chain guide. (📖 p. 153) | ○ | ● | ● | ● | |
| Check the chain tension. (📖 p. 153) | ○ | ● | ● | ● | ● |
| Grease all moving parts (e.g., hand lever, chain,…) and check for smooth operation. | ○ | ● | ● | ● | ● |
| Check the basic throttle valve position sensor setting. (📖 p. 269) | ○ | ● | ● | ● | |
| Change the spark plug and spark plug connector. (📖 p. 280) | ● | ● | ● | ||
| Change the fuel filter. (📖 p. 135) | ● | ● | |||
| Check the clutch. (📖 p. 251) | ● | ● | ● | ||
| Clean the air filter and air filter box. (📖 p. 124) | ● | ● | ● | ● | |
| Change the glass fiber yarn filling in the main silencer. (📖 p. 119) | ● | ● | |||
| Service the fork. (All SX models) (📖 p. 22) | ● | ● | |||
| Service the fork. (All XC models) (📖 p. 46) | ● | ● | |||
| Perform the shock absorber service. (📖 p. 93) | ● | ● | |||
| Check all screws, nuts, and hose clips for a tight fit. | ○ | ● | ● | ● | ● |
| Change the fuel screen. (📖 p. 137) | ○ | ● | ● | ● | ● |
| Check the fuel pressure. (📖 p. 131) | ○ | ● | ● | ● | |
| Check the antifreeze and coolant level. (📖 p. 259) | ● | ● | |||
| Check the coolant level. (📖 p. 260) | ○ | ● | |||
| Change the coolant. (📖 p. 263) | ● | ||||
| Check steering head bearing play. (📖 p. 70) | ○ | ● | |||
| Lubricate the steering head bearing. (📖 p. 67) | ● | ● | ● | ||
| Check the electric starter drive. (📖 p. 232) | ● | ● | ● | ||
| Check the reed valve housing, reed valve and intake flange. (📖 p. 215) | ● | ● | ● | ||
| Perform minor engine service. (Change the piston. Check the cylinder head. Change the O-rings of the manifold and the cylinder head. Check the cylinder and Z dimension. Clean the exhaust control. Check the exhaust control for function and smooth operation. Program the exhaust control end positions. Check and clean the pressure sensor flange.) | ● | ● | ● | ||
| Check that the brake linings of the rear brake are secured. (📖 p. 174) | ○ | ● | ● | ● | ● |
| Check the brake discs. (📖 p. 142) | ○ | ● | ● | ● | ● |
| Check the brake lines for damage and tightness. | ○ | ● | ● | ● | ● |
| Check the front brake fluid level. (📖 p. 170) | ○ | ● | ● | ||
| Change the front brake fluid. (📖 p. 172) | ● | ● | |||
| Check the rear brake fluid level. (📖 p. 177) | ○ | ● | ● | ||
| Change the rear brake fluid. (📖 p. 179) | ● | ● | |||
| Check/correct the fluid level of hydraulic clutch. (📖 p. 249) | ● | ||||
| Change the hydraulic clutch fluid. (📖 p. 249) | ● | ● | |||
| Check the free travel of the hand brake lever. (📖 p. 169) | ○ | ● | ● | ● | ● |
| Check the free travel of the foot brake lever. (📖 p. 176) | ○ | ● | ● | ● | ● |
| Check the idle speed. | ○ | ● | ● | ● | ● |
| Change the gear oil. (📖 p. 275) | ○ | ● | ● | ● | ● |
| Check all hoses (e.g. fuel, cooling, bleeder, drainage hoses, etc.) and sleeves for cracking, tightness, and correct routing. | ○ | ● | ● | ● | ● |
| Check the cables for damage and for routing without kinks. | ● | ● | ● | ● | |
| Check that the throttle cables are undamaged, routed without kinks, and set correctly. | ● | ● | ● | ● | |
| Check the frame. (📖 p. 80) | ● | ● | ● | ||
| Check the link fork. (📖 p. 118) | ● | ● | ● | ||
| Check the fork bearing for play. (📖 p. 113) | ● | ● | |||
| Check the shock absorber heim joint for play. (📖 p. 93) | ● | ● | |||
| Check the shock absorber linkage. (📖 p. 91) | ● | ● | ● | ||
| Check the tire condition. (📖 p. 141) | ● | ● | ● | ● | |
| Check tire pressure. (📖 p. 141) | ○ | ● | ● | ● | ● |
| Check the wheel bearing for play. (📖 p. 142) | ● | ● | ● | ||
| Check the wheel hubs. | ● | ● | ● | ||
| Check the rim run-out. (📖 p. 143) | ○ | ● | ● | ● | |
| ○ One-time interval ● Periodic interval | |||||
KTM 250SX 300SX 250XC 300XC Service manual 2024 Pdf Download