KTM has raised the bar for its single-cylinder Duke lineup in 2024, claiming it to be probably the most vital replace for the reason that inception of the 390 Duke. Each the 390 Duke and 250 Duke endure substantial adjustments, that includes new engines, revolutionary chassis designs, and a recent outlook on styling and electronics, setting new requirements for entry-level bikes.
The Austrian producer discloses a redesigned single-cylinder LC4c platform, offering restricted particulars however highlighting “newly optimized cylinder heads and gearboxes” for each engines. The 390 Duke’s engine boasts an extended 64mm stroke, elevating its displacement to 399cc, leading to claimed outputs of 44 hp and 28.8 lb.-ft. of torque. The 250 Duke transitions from DOHC to SOHC, lowering parts and enhancing the power-to-weight ratio. Each engines incorporate PASC slipper clutches, ride-by-wire throttles, and the choice for quickshifters.
When it comes to chassis, KTM introduces a wholly new idea for the Duke singles. Whereas sustaining the metal trellis major body, it undergoes an entire overhaul to reinforce torsional rigidity, accompanied by a particular strain die-cast aluminum subframe left uncovered. The redesigned swingarm accommodates an off-center linkageless rear shock, contributing to lowered seat peak and offering extra space for the muffler and airbox. Moreover, each fashions undertake new five-spoke wheels with an open-hub design to attenuate unsprung mass.
The 390 Duke incorporates a WP Apex 43mm open-cartridge fork and a WP Apex Separate Piston rear shock, each adjustable for compression, rebound, and preload. Then again, the 250 Duke contains a nonadjustable 43mm WP Apex huge piston fork and a WP Apex Emulsion shock absorber, adjustable for preload.
ByBre braking parts, together with a single 320mm disc with a four-piston caliper upfront and a 240mm disc with a twin-piston caliper on the rear, guarantee sturdy braking for each fashions. KTM asserts that the absolutely fueled weight of each the 390 Duke and 250 Duke is 364 kilos.
The electronics package deal receives a major increase with ride-by-wire throttles, LED lighting (headlight-only on the 250), 5-inch dashes (TFT on the 390, LCD on the 250), and smartphone connectivity. Each fashions incorporate KTM’s newest Supermoto ABS, providing riders the choice to disable ABS within the rear.
For the primary time, the 390 Duke introduces journey modes and cornering MTC, using enter from a 3D sensor to adapt traction management throughout cornering. Two journey modes, Avenue and Rain, alter throttle response and TC intervention to swimsuit various circumstances. The 390 Duke additionally contains a “Monitor” format on the sprint, displaying a bigger tachometer, a lap timer, a gear indicator, and MTC and ABS settings. Launch management is an thrilling addition to the 390 Duke for lovers.
The up to date styling aligns with the distinctive Duke model, that includes minimalistic bodywork and aggressive strains paying homage to the LC8 and LC8c-powered twins. To distinguish, the 250 Duke adopts simplified tank covers and radiator shrouds and omits the 390’s headlight place lights (obtainable as an choice).
Regardless of vital adjustments to engines and chassis, KTM signifies that weight and peak efficiency figures stay comparatively according to outgoing fashions. The 2024 KTM 390 Duke is predicted to reach at dealerships in December, whereas the 250 Duke is anticipated in early 2024. Pricing particulars are but to be disclosed.
2024 KTM 390 Duke Specs
MSRP: N/A
Engine: DOHC, liquid-cooled, four-stroke single-cylinder
Displacement: 399cc
Bore x Stroke: 89.0 x 64.0mm
Compression Ratio: N/A
Transmission/Remaining Drive: 6-speed/chain
Claimed Horsepower: 44.3 hp
Claimed Torque: 28.8 lb.-ft.
Gasoline System: Bosch EMS w/ ride-by-wire
Clutch: PASC slipper clutch; mechanically operated
Body: Metal trellis w/ bolt-on cast-aluminum subframe
Entrance Suspension: 43mm WP Apex, compression and rebound damping adjustable; 5.9 in. journey
Rear Suspension: WP Apex monoshock, spring preload and rebound damping adjustable; 5.9 in. journey
Entrance Brake: Radial-mount 4-piston caliper, 320mm disc w/ cornering ABS
Rear Brake: 2-piston floating caliper, 240mm disc w/ cornering ABS
Seat Top: 32.3 in./31.5 in.
Gasoline Capability: 3.9 gal.
Claimed Moist Weight: 364 lb.
Contact: ktm.com
2024 KTM 250 Duke Specs
MSRP: N/A
Engine: SOHC, liquid-cooled, four-stroke single-cylinder
Displacement: 249cc
Bore x Stroke: 72.0 x 61.2mm
Compression Ratio: N/A
Transmission/Remaining Drive: 6-speed/chain
Claimed Horsepower: 30.8 hp
Claimed Torque: 18.4 lb.-ft.
Gasoline System: Bosch EMS w/ ride-by-wire
Clutch: PASC slipper clutch; mechanically operated
Body: Metal trellis w/ bolt-on cast-aluminum subframe
Entrance Suspension: 43mm WP Apex; 5.9 in. journey
Rear Suspension: WP Apex monoshock, preload adjustable; 5.9 in. journey
Entrance Brake: Radial-mount 4-piston caliper, 320mm disc w/ cornering ABS
Rear Brake: 2-piston floating caliper, 240mm disc w/ cornering ABS
Seat Top: 31.5 in.
Gasoline Capability: 3.9 gal.
Claimed Moist Weight: 364 lb.