KTM 300 EXC 2024 Maintenance Schedule
The 2024 KTM 300 EXC maintenance schedule below covers the manufacturer's recommended service intervals for spark plugs, air filter, brake fluid, general maintenance, coolant, drive chain maintenance and oil. Intervals are shown in kilometres by default and can be switched to miles.
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Sourced from KTM Official Manuals (this document covers model years 2024–2025): azwecdnepstoragewebsiteuploads.azureedge.net
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Spark plug inspection & replacement | Every 30 operating hours · Replace every 30 km | Easy | Inspect spark plug condition and replace. |
| Air filter cleaning & inspection | Every 15 operating hours | Easy | Clean, inspect, and re-oil foam air filter element. |
| Brake fluid replacement | Every 24 months · Every 30 operating hours · Replace every 24 months | Moderate | Replace front and rear brake fluid every 2 years. |
| Hydraulic clutch fluid replacement | Every 24 months · Every 30 operating hours · Replace every 24 months | Easy | Replace hydraulic clutch fluid. |
| Fork & shock absorber service | Every 30 operating hours · Replace every 50 km | Advanced | Service WP XACT Closed Cartridge fork and PDS shock. |
| Throttle body & electronic power valve inspection | Every 30 operating hours | Moderate | Inspect Keihin 39mm throttle body and electronic power valve actuator. |
| Piston & cylinder inspection & replacement | Every 45 operating hours · Replace every 80 km | Advanced | Inspect piston, piston rings, and cylinder wall; replace piston kit at interval. |
| Reed valve inspection | Every 45 operating hours | Moderate | Inspect reed valve assembly and petals. |
| Coolant replacement | Every 24 months · Every 30 operating hours · Replace every 24 months | Moderate | Replace engine coolant every 2 years. |
| Drive chain inspection & maintenance | Every 10 operating hours | Easy | Inspect drive chain tension, clean and lubricate chain. |
| Chassis & safety inspection | Every 15 operating hours | Easy | Inspect spoke tension, wheel bearings, brake pads, bodywork fasteners, and frame guards. |
| Gearbox oil change | Every 15 operating hours | Easy | Replace transmission/gearbox oil. |
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Easy: basic tools, straightforward Easy–Moderate: varies by task — somewhere between the two Moderate: some mechanical know-how helps Advanced: specialized tools/skill, still DIY-doable Expert: significant experience required Professional: dealer or shop recommended
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