KTM 390 Duke (2025)
Short Overview
The 2025 KTM 390 Duke gets a full overhaul with a new 399 cc engine, updated chassis, adjustable suspension, and ride-by-wire tech. Designed for aggressive urban and twisty road riding.
Price (On-Road – Ireland)
€7,399 (approximate – varies by dealer)
Check with KTM Ireland dealers for final on-road price.
Call/Book Motorcycle
Contact local dealer or visit:https://www.ktm.com/en-ie/models/naked-bike/2025-ktm-390-duke.html
Finance Options
Available via KTM Financial Services at participating Irish dealerships (monthly EMIs, trade-in deals, and PowerParts bundles available).
Colours
Colours: Atlantic Blue, Electronic Orange
Key Highlights
- All-new 399 cc LC4c engine
- 5″ bonded-glass TFT display
- WP APEX adjustable suspension
- Cornering ABS, Supermoto ABS, Traction Control
- Quickshifter+, Cruise Control, Launch Control
- New lightweight chassis and aluminum swingarm
Bike Specification (Overview)
- Engine: 398.7 cc, liquid-cooled, single-cylinder
- Transmission: 6-speed with quickshifter+
- Mileage: ~29–30 km/l (claimed)
- Power: 44 hp (33 kW) @ 8500 rpm
- Brakes: 320 mm front disc; 240 mm rear disc
- Braking System: Cornering ABS + Supermoto mode
- Ground Clearance: ~183 mm
- Fuel Capacity: 15 litres
- Seat Height: 820 mm (adjustable to 800 mm)
- Kerb Weight: Approx. 165–168 kg
- Wheels Type: 17″ alloy wheels
Bike Summary
KTM’s 2025 390 Duke is a significant leap forward in the entry-level naked segment. Built for agile handling, it features a new stiffer chassis, Michelin tyres, fully updated WP suspension (adjustable), and a tech-packed interface including track mode and Bluetooth navigation. It’s ideal for both A2 license holders and experienced riders looking for a light, feature-rich machine.
Full Technical Details Table
Engine & Performance
- Engine type: 1-cylinder, 4-stroke, DOHC
- Displacement: 398.7 cc
- Max Power: 33 kW (44 hp) @ 8500 rpm
- Max Torque: 39 Nm @ 6500 rpm
- Top Speed: ~160 km/h
- Mileage: ~29–30 km/l
- Mileage – Owner Reported: N/A (new model)
- Transmission: 6-speed manual
- Gear Shifting Pattern: 1 down, 5 up
- Clutch: PASC anti-hopping clutch, mechanically operated
- Riding Range: ~435–450 km (claimed)
- Riding Modes: Rain, Street, Track
- Cylinders: 1
- Valves Per Cylinder: 4
- Cooling System: Liquid cooled
- Bore: 89 mm
- Stroke: 64 mm
- Compression Ratio: 12.6:1
- Spark Plugs: 1
- Battery: 12V
- Fuel System / Fuel Delivery: Electronic Fuel Injection (EFI) with Ride-by-Wire
- Emission Standard: Euro 5+
- Fuel Type: Petrol
Brakes & Wheels
- Braking System: Bosch Cornering ABS with Supermoto mode
- Front Brake Type: Disc
- Front Brake Size: 320 mm
- Caliper – Front: 4-piston radial caliper
- Rear Brake Type: Disc
- Rear Brake Size: 240 mm
- Caliper – Rear: Single-piston floating caliper
- Wheel Type: Cast alloy
- Front Wheel Size: 17 inch
- Rear Wheel Size: 17 inch
- Front Tyre Size: 110/70 R17
- Rear Tyre Size: 150/60 R17
- Tyre Type: Michelin Power 6, radial tubeless
- Tyre Pressure: Check manual/dealer (typically ~29–32 psi front / 31–36 psi rear)
Suspensions & Chassis
- Front Suspension: WP APEX 43 mm open cartridge fork, adjustable compression & rebound
- Rear Suspension: WP APEX shock, preload and rebound adjustable
- Front Suspension Preload Adjuster: No
- Rear Suspension Preload Adjuster: Yes
- Chassis Type: Steel trellis frame with aluminum subframe and curved cast-aluminum swingarm
Dimensions
- Kerb Weight: ~165–168 kg
- Seat Height: 820 mm (optional 800 mm low seat)
- Seat Length: N/A
- Ground Clearance: ~183 mm
- Fuel Tank Capacity: 15 litres
- Reserve Fuel Capacity: Approx. 2 litres
- Overall Length: ~2,040 mm
- Overall Width: ~820 mm
- Overall Height: ~1,155 mm
- Wheelbase: 1,357 mm
Manufacturer Warranty
- Standard Warranty: 2 years
- Standard Warranty (in Km): 30,000 km
Service & Maintenance Schedule
- 1st Service: 1000 km / 45 days
- 2nd/3rd/4th Service: As per dealer schedule (~every 5,000–7,500 km)
Check KTM service book or local dealer for Ireland-specific intervals.
Features
Instrument Cluster
- Instrument Console: Full-colour TFT
- Touch Screen Display: No
- Display Size: 5 inches
- Digital Display Type: TFT bonded glass
- Brightness Control: Auto brightness
- GPS & Navigation: Turn-by-turn via smartphone app
- Real Time Mileage Indicator: Yes
- Average Fuel Consumption: Yes
- Speedometer / Odometer / Fuel Gauge / DTE: Yes
- Mobile Phone Connectivity: Yes (KTMconnect app)
- Voice Assist: No
- Tripmeter Type: Digital
- No. of Tripmeters: 2
- Tachometer: Digital
- Stand Alarm: Yes
- Gear Indicator: Yes
- Low Battery / Fuel / Oil Indicator: Yes
- Service Reminder Indicator: Yes
- Hazard Warning Indicator / High Beam Indicator / Temp / Malfunction: Yes
- Average Speed: Yes
- OTA Updates: Yes
- Call/SMS Alerts: Yes
- Clock: Yes
Safety & Convenience
- USB Charging Port: Yes (USB-C)
- Saree Guard: No (not applicable in EU)
- Quickshifter: Yes (Quickshifter+)
- Traction Control: Yes
- Cruise Control: Yes
- Start Type: Electric
- Exhaust Heat Shield: Yes
- Kill Switch: Yes
Mobile App Monitoring
- Vehicle Location Tracking: No
- Geo Fencing: No (only alerts through KTMconnect)
Lights
- Headlight Type: Full LED
- Projector Headlamp: Yes
- DRLs (Daytime Running Lights): Yes
- Brake/Tail Light: LED
- Hazard Warning Lights: Yes
- Shift Light: Yes
- Pass Light: Yes
- Turn Signal: LED
Seat & Storage
- Under Seat Storage (Litres): Minimal (basic tools only)
- Front Storage Box: No
- Pillion Seat: Yes
- Pillion Backrest: No
- Pillion Footrest: Yes
- Pillion Grab Rail: Yes
Additional Features
- Track mode interface with lap timer
- Launch control with throttle map
- Adjustable brake and clutch levers
- Lightweight aluminium swingarm
- Michelin Power 6 tyres (standard fit)
User Review
Riders in Ireland praise the 2025 390 Duke for its sharp handling, powerful midrange, and high-spec electronics. It’s seen as the best-value A2-compliant performance naked in the segment.
[For the latest offers and test rides, visit your nearest KTM Ireland dealer or KTM Ireland’s website.]
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