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Loading...Why does my KTM 390 DUKE 2021 Motorcycle engine have too little power?
If your KTM Motorcycle engine has too little power, the possible causes are: * A very dirty air filter; change the air filter. * A very dirty fuel filter; check the fuel pressure. * A malfunction in the electronic fuel injection; read out the fault memory using the KTM diagnostics tool.
What to do if my KTM Motorcycle engine overheats?
If your KTM Motorcycle engine overheats, consider these potential causes: * There may be too little coolant in the cooling system; check the cooling system for leakage and check the coolant level. * The radiator fins could be very dirty; clean the radiator fins. * There could be foam formation in the cooling system; drain the coolant and then fill/bleed the cooling system.
General| Displacement | 373.2 cc |
|---|---|
| Bore x Stroke | 89 mm x 60 mm |
| Compression Ratio | 12.6:1 |
| Torque | 37 Nm @ 7, 000 rpm |
| Transmission | 6-speed |
| Cooling System | Liquid cooled |
| Frame | Steel trellis frame, powder coated |
| Rear Suspension | WP APEX Monoshock |
| Front Tire | 110/70 ZR17 |
| Rear Tire | 150/60 ZR17 |
| Wheelbase | 1, 357 mm |
| Seat Height | 830 mm |
| Ground Clearance | 185 mm |
| Dry Weight | 149 kg |
| Instrumentation | TFT display |
| Headlight | LED |
| Tail Light | LED |
| Power | 32 kW (44 hp) @ 9, 000 rpm |
| Fuel System | Electronic Fuel Injection |
| Front Suspension | WP Apex 43 mm |
| Rear Brake | Single-piston floating caliper, brake disc |
| ABS | Bosch 9.1MP Two Channel ABS (Supermoto ABS) |
| Fuel Tank Capacity | 13.4 l |
| Engine Type | Single-cylinder, 4-stroke, liquid-cooled |
| Front Brake | Four-piston radial fixed caliper, brake disc |
Provides definitions for intended use, misuse, and general safety instructions.
Defines different degrees of risk and associated symbols for hazard identification.
Details tampering warnings, safe operation practices, and accident prevention.
Describes clutch lever, hand brake lever, throttle grip, and handlebar switches.
Provides essential advice for preparing the motorcycle for its initial use.
Guides on engine running-in procedures and vehicle loading.
Details essential checks and maintenance before every ride.
Covers procedures for starting the engine and moving the motorcycle.
Provides guidance on shifting gears, braking, and general riding practices.
Explains how to apply brakes, stopping distances, and safety during braking.
Lists essential maintenance tasks and their intervals.
Explains how to adjust the spring preload on the shock absorber for optimal performance.
Guides on how to adjust the position and angle of the shift lever.
Explains clutch lever play adjustment and front spoiler removal/fitting.
Explains the ABS function, operation, and warnings.
Provides step-by-step instructions for removing and installing front and rear wheels.
Provides procedures for draining, filling, and bleeding the cooling system.
Details how to check and adjust the free play in the clutch lever.
Covers checking engine oil level, changing oil, filter, and cleaning screens.
Lists common faults, their possible causes, and recommended actions.
Covers issues with lamps, battery, ABS, speedometer, and other systems.
