KTM Duke 390 AR 2014 Owner's Manual

Regular maintenance should be performed every 7,500 kilometers or 4,660 miles, or annually, whichever comes first. Always refer to the owner's manual for the specific maintenance schedule.
It is recommended to use a fully synthetic engine oil with a viscosity rating of 15W-50. Always check the owner's manual for the manufacturer's specifications.
Check the battery connections for any looseness or corrosion, ensure the fuel level is sufficient, and check the kill switch position. If the problem persists, consult with a certified mechanic.
The recommended tire pressure is approximately 29 psi for the front and 32 psi for the rear tire. Always refer to the motorcycle's manual for exact specifications.
Maintain proper tire pressure, perform regular maintenance, avoid aggressive riding, and ensure the air filter is clean to improve fuel efficiency.
Stop the motorcycle immediately and let it cool down. Check the coolant level and ensure there are no leaks. Consult a professional mechanic if the issue persists.
To adjust the chain, loosen the axle nut, adjust the chain tensioners equally on both sides, and ensure a proper slack of 1.5-2 inches. Tighten the axle nut securely after adjustment.
Signs include a squealing noise when braking, reduced braking performance, and visible wear or thinning of the brake pads. Regularly inspect and replace them as needed.
To maintain battery health, keep it clean and dry, check the connections regularly, and use a trickle charger if the motorcycle is not used for extended periods.
Common issues include blown fuses, faulty wiring, and battery discharge. Regular inspection and maintenance of the electrical components can help prevent these problems.