KTM Duke 125 EU 2014 Owner's Manual
![KTM Duke 125 EU 2014 Motorcycle manual cover](/images/vnNyZKXmeKgvvqSZQdMElQSE/thumbs/thumb175x175.webp)
To properly break in the engine, ride the motorcycle gently for the first 1000 km, avoiding high RPMs and heavy loads. Gradually increase the engine speed and load after the initial 1000 km.
It is recommended to change the engine oil every 5000 km or once a year, whichever comes first. Always check the oil level regularly and top it up if necessary.
If the motorcycle does not start, check the battery charge, inspect the fuel level, and ensure the kill switch is in the correct position. Also, inspect the spark plug and fuel lines for any issues.
Use unleaded gasoline with a minimum octane rating of 95 RON for optimal performance and efficiency. Avoid using fuel with ethanol content higher than 10%.
To adjust the chain tension, place the motorcycle on a stand, loosen the rear axle nut, and use the chain adjusters to achieve the correct tension. Ensure there is about 15-25 mm of slack at the chain's midpoint.
Common signs include difficulty shifting gears, a slipping clutch when accelerating, and unusual noises when engaging the clutch. Inspect the clutch plates and springs for wear if these symptoms occur.
Regularly check the brake fluid level and top it up with DOT 4 brake fluid if necessary. Inspect the brake pads for wear and replace them if they are below the minimum thickness.
To winterize, clean the motorcycle thoroughly, change the oil, fill the fuel tank, and add a fuel stabilizer. Disconnect the battery and store it in a cool, dry place. Cover the bike to protect it from dust and moisture.
To improve fuel efficiency, regularly maintain the motorcycle by keeping the tires properly inflated, using the recommended grade of engine oil, and ensuring the air filter is clean. Ride smoothly and avoid rapid acceleration and braking.
If the motorcycle overheats, stop riding immediately and let the engine cool down. Check the coolant level and inspect the radiator for any blockages. Ensure the cooling fan is functioning properly.