KTM 390 Duke 2015 Maintenance Schedule
The 2015 KTM 390 Duke maintenance schedule below covers the manufacturer's recommended service intervals for general maintenance, oil, brake fluid, tires, drive chain maintenance, spark plugs, valve clearance, coolant and air filter. Intervals are shown in kilometres by default and can be switched to miles.
373ccEngine size
34Maintenance items
Official manufacturer manual
Sourced from KTM Official Manuals (this document covers model years 2013–2016): azwecdnepstoragewebsiteuploads.azureedge.net
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Check the functioning of the electrical equipment. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check electrical equipment function. |
| Read out the fault memory using the KTM diagnostics tool. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Read fault memory with KTM diagnostics tool. |
| Change the engine oil and oil filter, clean the oil screen. | Every 7,500 km (first at 1,000 km) · Every 12 months | Moderate | Change engine oil and oil filter, clean oil screens. |
| Check the front brake linings. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check front brake pad wear. |
| Check the rear brake linings. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check rear brake pad wear. |
| Check the brake discs. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check brake discs for wear/damage. |
| Check the brake lines for damage and leakage. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check brake lines for damage/leakage. |
| Check the rear brake fluid level. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check rear brake fluid level. |
| Check the shock absorber and fork for leaks. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check shock absorber/fork for oil leaks. |
| Check the swingarm bearing. | Every 7,500 km · Every 12 months | Moderate | Check swingarm bearing for play. |
| Check the wheel bearing for play. | Every 7,500 km · Every 12 months | Moderate | Check front/rear wheel bearings for play. |
| Check the tire condition. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check tire tread condition. |
| Check the tire air pressure. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check tire pressures. |
| Check the chain, rear sprocket, and engine sprocket. | Every 7,500 km · Every 12 months | Easy | Check chain, rear sprocket, and engine sprocket wear. |
| Check the chain tension. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check drive chain tension. |
| Grease all moving parts (side stand, hand lever, chain, etc.) and check for smooth operation. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Grease moving parts, check smooth operation. |
| Clean the dust boots of the fork legs. | Every 7,500 km · Every 12 months | Easy | Clean fork leg dust boots. |
| Check the brake fluid level of the front brake. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check front brake fluid level. |
| Check the steering head bearing play. | Every 7,500 km (first at 1,000 km) · Every 12 months | Advanced | Check steering head bearing play. |
| Change the spark plug. | Every 15,000 km · Every 24 months · Replace every 15,000 km · Replace every 24 months | Easy | Replace spark plug. |
| Check the valve clearance. | Every 15,000 km (first at 1,000 km) · Every 24 months | Moderate | Inspect valve clearance. |
| Check all hoses (fuel, cooling, bleeder, drainage, etc.) and sleeves for cracking, leaks, and correct routing. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check hoses/sleeves for cracking/leaks/routing. |
| Check the antifreeze and coolant level. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check antifreeze concentration and coolant level. |
| Check the cables for damage and routing without sharp bends. | Every 7,500 km · Every 12 months | Easy | Check cables for damage/routing. |
| Check that the throttle cables are undamaged, routed without sharp bends, and set correctly. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check throttle cables. |
| Change the air filter. Clean the air filter box. | Every 7,500 km · Every 12 months | Easy | Replace air filter element, clean air filter box. |
| Check the screws and nuts for tightness. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check accessible screws/nuts for tightness. |
| Change the front brake fluid. | Every 24 months · Replace every 24 months | Moderate | Replace front brake fluid. |
| Change the rear brake fluid. | Every 24 months · Replace every 24 months | Moderate | Replace rear brake fluid. |
| Check the headlight setting. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check headlight aim. |
| Check that the radiator fan is functioning properly. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check radiator fan operation. |
| Final check: Check the vehicle for roadworthiness and take a test ride. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Roadworthiness check and test ride. |
| Read out the fault memory using the KTM diagnostics tool after a test ride. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Read fault memory after test ride. |
| Make the service entry in KTM DEALER.NET and in the service booklet. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Log the completed service. |
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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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