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KTM 390 Duke (2025)

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

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)

duke 390
  • 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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