KTM 125 Duke 2019 Maintenance Schedule
The 2019 KTM 125 Duke maintenance schedule below covers the manufacturer's recommended service intervals for general maintenance, oil, brake fluid, tires, drive chain maintenance, coolant, air filter and valve clearance. Intervals are shown in kilometres by default and can be switched to miles.
125ccEngine size
40Maintenance items
Official manufacturer manual
Sourced from KTM Official Manuals (this document covers model years 2017–2020): azwecdnepstoragewebsiteuploads.azureedge.net
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| 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. |
| Check that the electrical system is functioning properly. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check electrical system function. |
| 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 screen. |
| 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 front brake linings. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check front brake pad wear. |
| Check the brake linings of the rear brake. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check rear brake pad wear. |
| 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 and leakage. |
| 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 rear brake fluid level. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check rear brake fluid level. |
| 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 shock absorber and fork for leaks. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check shock absorber and fork for oil leaks. |
| Clean the dust boots of the fork legs. | Every 7,500 km | Easy | Clean fork leg dust boots. |
| 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. |
| Check the coolant level. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check coolant reservoir level. |
| 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. |
| Change the air filter. Clean the air filter box. | Every 7,500 km | Easy | Replace air filter element, clean air filter box. |
| 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. |
| Check the cables for damage and routing without sharp bends. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check general cables for damage/routing. |
| Check the valve clearance. | Every 1 month | Moderate | Initial valve clearance check at break-in. |
| Check the valve clearance, change the spark plugs. | Every 15,000 km | Moderate | Recurring valve clearance check and spark plug replacement. |
| 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 play of the steering head bearing. | Every 7,500 km (first at 1,000 km) · Every 12 months | Advanced | Check steering head bearing play. |
| Check the headlight setting. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check headlight aim. |
| Final check: Check the vehicle is roadworthy 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 error memory after the test ride using the KTM diagnostics tool. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Read fault memory after test ride. |
| Reset the service interval display. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Reset service interval indicator. |
| Make the service entry in the KTM Dealer.net and in the Service and Warranty Booklet. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Log the completed service. |
| Check the frame. | Every 30,000 km | Moderate | Structural check of the frame. |
| Check the swingarm. | Every 30,000 km | Moderate | Structural check of the swingarm. |
| Check the swingarm bearing. | Every 7,500 km | Moderate | Check swingarm bearing for play. |
| Check the wheel bearings. | Every 7,500 km | Moderate | Check front and rear wheel bearings for play. |
| Check the antifreeze. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check antifreeze concentration. |
| Change the coolant. | Every 48 months · Replace every 48 months | Moderate | Replace engine coolant. |
| Empty the drainage hoses. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Drain frame/engine drainage hoses. |
| Check all hoses (fuel, coolant, bleeder, drainage, etc.) and sleeves for cracking, leaks, and incorrect routing. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check all hoses and sleeves for cracking/leaks/routing. |
| 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 and check for smooth operation. |
| Check the screws and nuts for tightness. | Every 7,500 km (first at 1,000 km) · Every 12 months | Easy | Check accessible screws and nuts for tightness. |
No maintenance items match your search.
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
What's due?
Enter your current mileage (km) to see what's coming up.
Related bikes
Spot something wrong?
Tell us what needs fixing on the 2019 KTM 125 Duke schedule above.