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Common Tread

2025 KTM 1390 Super Duke GT first look: The Beast goes the distance

Nov 06, 2024

KTM does nothing in moderation. Case in point: the 2025 KTM 1390 Super Duke GT. 

Flagship sport-tourers often find the happy medium between pulse-raising performance and long-haul comfort. That balance is frequently achieved by sacrificing outright performance. KTM makes no concessions with the latest-generation Super Duke GT.   

Harnessing the same LC8 V-twin that debuted in the 1390 Super Duke R EVO, the GT now pumps out 187 horsepower and 107 foot-pounds of torque (claimed). For context, that amounts to a gain of 15 horsepower and three foot-pounds over its predecessor, the 1290 Super Duke GT. KTM attributes the performance boost to a redesigned airbox, a wider radiator, repositioned injectors, and a central ram air intake. We’re pretty sure the mill’s 1,350 cc displacement has something to do with it, too. 

A close-up of the 2025 KTM 1390 Super Duke GT's 1,350 cc LC8 V-twin engine.
Commuters and tourers will rejoice over the GT’s 60,000-km (37,282-mile) valve checks, which doubles the outgoing model’s 30,000-km (18,641-mile) intervals. KTM photo.

The GT also pinches the Super Duke R EVO’s WP APEX semi-active suspension. According to KTM, the electronically adjustable suspenders now offer a highly improved Comfort mode, which caters to pavement-pounding travelers. Still, Team Orange reports that the 1390’s torsional stiffness is three times that of the 1290’s, leading to more precise handling and enhanced stability. 

A close-up of the 2025 KTM 1390 Super Duke GT's WP APEX semi-active suspension.
WP’s APEX semi-active suspension includes four preset modes (Auto, Sport, Street, and Comfort). Customers can also purchase Track and Pro modes as add-on options. KTM photo.

With more power comes more stopping power, as the GT now dons a set of Brembo Stylemas up front and a two-pot Brembo binder out back. Completing the chassis is a set of Michelin Power 6 tires, which prioritize both long-distance longevity and cornering grip, thanks to dual-compound technology. 

A rider tours a country road aboard the 2025 KTM 1390 Super Duke GT.
The 1390 Super Duke GT sports a 5.2-gallon gas tank. That’s a sizable decrease compared to the 1290’s 6.1-gallon fuel cell. KTM photo.

Technology also separates the Super Duke from many of its grand-touring contenders. Radar-aided features like Adaptive Cruise Control, Brake Assist, Distance Assist, and Group Riding speak to the model’s touring aspirations while Cornering ABS, Supermoto ABS, and the new Supermoto+ mode hint at its hooligan alter ego. All that is in addition to the GT’s four ride modes (Street, Sport, Rain, and Custom) and KTM’s all-new 8.8-inch TFT (H88) touchscreen.

The 1390 Super Duke GT's 8.8-inch TFT (H88) display highlights the bike's cockpit.
KTM’s 8.8-inch TFT (H88) display benefits from a simplified menu structure, CCU3.0 smartphone connectivity, and offline map navigation. KTM photo.

Options like a Track and two additional Custom riding modes are also available. KTM’s Demo Mode allows customers to sample all the model’s available gizmos for the first 1,500 km (932 miles). Should the owner want the optional features thereafter, they will need to purchase them.

A head-on image of the 2025 KTM 1390 Super Duke GT in the pit lane of a race track.
KTM markets the 1390 Super Duke GT as the “Long Distance Beast.” Apparently, the Austrian marque doesn’t know you’re not supposed to give yourself a nickname. KTM photo.

Of course, performance, luggage, and crash protection accessories are available via KTM’s PowerParts catalog. Unfortunately, KTM has yet to announce the 1390 Super Duke GT’s MSRP and availability. 

Editor's note: Update — on November 18, KTM announced the 1390 Super Duke GT will not be coming to North America for the 2025 model year.

2025 KTM 1390 Super Duke GT
Price (MSRP) TBA
Engine 1,350 cc, liquid-cooled, eight-valve, 75-degree V-twin
Transmission,
final drive
Six-speed, chain
Claimed horsepower 187 @ 10,000 rpm
Claimed torque 107 foot-pounds @ 8,000 rpm
Frame Steel-tube trellis, cast aluminum subframe
Front suspension WP APEX 48 mm fork, adjustable for spring preload, semi-active compression and rebound damping; 4.9 inches of travel
Rear suspension WP APEX shock, electronically adjustable for spring preload, semi-active compression and rebound damping; 5.5 inches of travel
Front brake Dual Brembo Stylema four-piston calipers, 320 mm discs with ABS
Rear brake Brembo two-piston caliper, 240 mm disc with ABS
Rake, trail 24.7 degrees, 4.0 inches
Wheelbase 58.7 inches (+/- 0.6 inches)
Seat height 32.5 inches
Fuel capacity 5.2 gallons
Tires Michelin Power 6; 120/70ZR17 front, 190/55ZR17 rear
Measured weight 469 pounds (without fuel)
Available Not available in North America for 2025
Warranty 12 months, 12,000 miles
More info ktm.com

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