KTM 125 Duke 2015 Maintenance Schedule
The 2015 KTM 125 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.
125ccEngine size
34Maintenance items
Official manufacturer manual
Sourced from KTM Official Manuals (this document covers model years 2011–2016): azwecdnepstoragewebsiteuploads.azureedge.net
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Check the functioning of the electrical equipment. | Every 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check that the electrical equipment is functioning properly. |
| Read out the fault memory using the KTM diagnostics tool. | Every 5,000 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 5,000 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 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check front brake pad/lining wear. |
| Check the rear brake linings. | Every 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check rear brake pad/lining wear. |
| Check the brake discs. | Every 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check front and rear brake discs for wear/damage. |
| Check the brake lines for damage and leakage. | Every 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check brake lines/hoses for damage and leakage. |
| Check the rear brake fluid level. | Every 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check rear brake fluid reservoir level. |
| Check the shock absorber and fork for leaks. | Every 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check shock absorber and fork for oil leaks; service if needed depending on use. |
| Check the swingarm bearing. | Every 5,000 km · Every 12 months | Moderate | Check swingarm bearing for play. |
| Check the wheel bearing for play. | Every 5,000 km · Every 12 months | Moderate | Check front and rear wheel bearings for play. |
| Check the tire condition. | Every 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check tire tread condition. |
| Check the tire air pressure. | Every 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check tire pressures. |
| Check the chain, rear sprocket, and engine sprocket. | Every 5,000 km · Every 12 months | Easy | Check chain, rear sprocket, and engine sprocket for wear. |
| Check the chain tension. | Every 5,000 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 5,000 km (first at 1,000 km) · Every 12 months | Easy | Grease moving parts and check for smooth operation. |
| Clean the dust boots of the fork legs. | Every 5,000 km · Every 12 months | Easy | Clean fork leg dust boots. |
| Check the brake fluid level of the front brake. | Every 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check front brake fluid reservoir level. |
| Check the steering head bearing play. | Every 5,000 km (first at 1,000 km) · Every 12 months | Advanced | Check steering head bearing for play. |
| Change the spark plugs. | Every 5,000 km · Every 12 months · Replace every 5,000 km · Replace every 12 months | Easy | Replace spark plug. |
| Check the valve clearance. | Every 10,000 km (first at 1,000 km) · Every 24 months | Moderate | Inspect valve clearance. |
| Check all hoses (fuel, cooling, bleeder, drainage, etc.) and bellows for cracking, leaks, and correct routing. | Every 10,000 km (first at 1,000 km) · Every 24 months | Easy | Check hoses and bellows for cracking/leaks/routing. |
| Check the antifreeze and coolant level. | Every 5,000 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 5,000 km · Every 12 months | Easy | Check cables for damage and correct routing. |
| Check that the throttle cables are undamaged, routed without sharp bends, and set correctly. | Every 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check throttle cables for damage, routing, and correct setting. |
| Change the air filter. Clean the air filter box. | Every 5,000 km · Every 12 months | Easy | Replace air filter element and clean air filter box. |
| Check the screws and nuts for tightness. | Every 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check accessible screws and 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 5,000 km (first at 1,000 km) · Every 12 months | Easy | Check headlight aim. |
| Check that the radiator fan is functioning properly. | Every 5,000 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 5,000 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 5,000 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 record. | Every 5,000 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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