KTM 250 SX 2013 Maintenance Schedule
The 2013 KTM 250 SX maintenance schedule below covers the manufacturer's recommended service intervals for oil, coolant, general maintenance, brake fluid, air filter and spark plugs. 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 2005–2015): azwecdnepstoragewebsiteuploads.azureedge.net
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Transmission oil change | Every 10 operating hours | Easy | Replace transmission oil (Motorex Top Speed 4T 15W/50, 0.8L). |
| Coolant replacement | Every 24 months · Every 45 operating hours · Replace every 24 months | Moderate | Flush radiator coolant. |
| Hydraulic clutch fluid flush | Every 24 months · Every 45 operating hours | Moderate | Flush hydraulic clutch system. |
| Brake fluid replacement | Every 24 months · Replace every 24 months | Moderate | Flush front and rear hydraulic brake systems. |
| Clean and oil air filter | Every 2 operating hours | Easy | Clean foam air filter element and oil with filter oil. |
| Spark plug replacement | Every 15 operating hours | Easy | Replace spark plug (NGK BR8ECM). |
| Piston replacement | Every 30 operating hours | Moderate | Replace piston, ring, wrist pin, and needle bearing. |
| Exhaust control valve service | Every 30 operating hours | Moderate | Clean exhaust power valve flappers and check auxiliary control springs. |
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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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