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2026 KTM 390 Adventure X FEATURES SPECS GALLERY
2026 KTM 390 Adventure X

Merging all-road versatility and proven reliability with real-world performance, the KTM 390 ADVENTURE X is engineered to seek out new horizons. Rally-inspired looks, punchy performance, and unmatched handling.

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Features

Engine

Boasting the latest generation in LC4c engines, the KTM 390 ADVENTURE range muscles up with 399 cc, more power, smoother acceleration, and lighter overall weight than before. Drawing from years of experience in the small engine game, the KTM 390 ADVENTURE X also features an improved gearbox and an optimized cylinder head. It is ready to adopt EURO 5.2 emission standards.

Fuel tank

What's an adventure without fuel range? The KTM 390 ADVENTURE X boasts a 14-liter fuel capacity and exceptional fuel economy, making long jaunts into the faraway outdoors easy. Moreover, the fuel tank represents a central design and engineering element, offering excellent ergonomics for riders of all sizes without sacrificing handling.

Offroad ABS

The KTM 390 ADVENTURE X makes easy work of gravel tracks thanks in part to its low center of gravity, nimble handling, and 19" front wheel. However, its KTM's proven Offroad ABS technology allows riders to use full braking power in the dirt without compromising on fun.

Wheels

The KTM 390 ADVENTURE X boasts cast wheels at each end with a 17" rear and 19" front, making it ideal for life on the street and when hitting gravel tracks.

Adventure-ready Suspension

With many years of development in the toughest terrain, the KTM 390 ADVENTURE X boasts WP APEX suspension with 205 mm of travel at each end. This results in a best-in-class handling package that is ready to tackle any adventure. Not only that but the WP APEX Emulsion shock absorber with preload adjustability provides tailored performance ideal for traveling long distances in tough conditions.

Bodywork

The KTM 390 ADVENTURE range features distinctive KTM-style bodywork and graphics, providing excellent ergonomics and an aggressive look inspired by KTM's vast Rally racing heritage. This can be seen in everything from the headlight mask to the front fender. The tank spoilers and rear side panels are slightly wider than the seat for optimized control when standing on the pegs, while the shape of the fuel tank is optimized to offer freedom of movement when tackling tricky technical terrain. A robust engine guard also makes its intentions known by protecting the engine and exhaust when venturing off the tarmac into the dirt.

LCD Display

An 5" LCD dashboard display adorns the cockpit of the KTM 390 ADVENTURE X, providing an array of rider-specific information at a glance. This means riders can focus on the road ahead, without any distraction. To top it all off a USB C port is also fitted as standard.

Windshield

You'll no doubt hit some highways at some stage. Good thing, then, that the KTM 390 ADVENTURE range boasts a sturdy and efficient windshield. Thanks to its slim profile, the rider isn't obstructed when moving around the machine. It also offers an unobstructed view directly in front of the bike - even when covered in dirt.

KTMconnect

Even on adventures, you want to stay connected. Thanks to the KTMconnect system, the KTM 390 ADVENTURE range connects to your smartphone, allowing you to make phone calls, listen to music, and use the optional turn-to-turn navigation app, all via the TFT display.

Frame

The KTM 390 ADVENTURE range features an ultra-lightweight yet extremely stable trellis 2-piece frame. This frame provides the backbone and is a major element accounting for its nimble handling and forgiving balance of flex and stiffness.

ERGONOMICS

The KTM 390 ADVENTURE X is all about capability and comfort. It is designed to be an adventure machine, from its Rally-style windscreen, right down to its offroad-focused footpegs. All-day riding comfort, supreme offroad agility, and unmatched rider involvement make the KTM 390 ADVENTURE X a class leader when it comes to taking the path less traveled in complete control.

Seat

The KTM 390 ADVENTURE range features a single-piece stepped seat. The seat can be easily removed for access to the airbox and a small storage compartment underneath. The KTM PowerParts team also specifically developed different seats to match individual customer needs from comfort to riding style.

Footpegs

Wide, robust footpegs inspired by KTM offroad models hint at the KTM 390 ADVENTURE range party trick. With 2 adjustable positions -- standing or seated -- the footpegs are developed for all-day riding comfort. They are perfectly matched to both street and offroad boots and feature easy-to-remove rubber inserts for when the riding really gets rough.

Technical Specifications

Design
1-cylinder, 4-stroke engine
Displacement
398.7 cm³
Power
45 PS
Torque
39 Nm
Transmission
6-speed
CO 2 emissions
79 g/km
Cooling
Liquid cooled
Engine cylinder
Single cylinder
EMS
Bosch EMS with RBW
Engine oil
Motorex Formula 4T 15W/50
Engine stroke
4-Stroke
Front brake disc diameter
320 mm
Rear brake disc diameter
240 mm
Front brake
Bybre axial floating calipers with 2 pistons
Rear brake
Bybre floating caliper 1 piston
Chain
520 X-Ring
Frame design
Steel trellis frame, powder coated
Steering head angle
62.5 °
Rear subframe design
Bolt on steel trellis frame, powder coated
Trail
99 mm
Wheelbase
1464 mm
Front suspension
WP APEX open cartridge 43mm
Rear suspension
WP APEX Emulsion
Suspension travel (front)
200 mm
Suspension travel (rear)
200 mm
Front suspension adjustment
non adjustable
Rear suspension addition
Preload adjuster
Seat height
825 mm
Tank capacity (approx.)
14 l
Ground clearance
232 mm
Weight (without fuel)
165 kg
Weight fully fueled
176 kg
Front wheel diameter
19 "
Rear wheel diameter
17 "
Front wheel width
2.5 "
Rear wheel width
3.5 "
Wheel Sizes
2.5 x 19"
3.5 x 17"
showroom_folder				2026 ktm 390 adventure x
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content_description1		

Merging all-road versatility and proven reliability with real-world performance, the KTM 390 ADVENTURE X is engineered to seek out new horizons. Rally-inspired looks, punchy performance, and unmatched handling.

content_description2 Engine;Chassis;Suspension;Dimensions#####Design|1-cylinder, 4-stroke engine;Displacement|398.7 cm³;Power|45 PS;Torque|39 Nm;Transmission|6-speed;CO 2 emissions|79 g/km;Cooling|Liquid cooled;Engine cylinder|Single cylinder;EMS|Bosch EMS with RBW;Engine oil|Motorex Formula 4T 15W/50;Engine stroke|4-Stroke#####Front brake disc diameter|320 mm;Rear brake disc diameter|240 mm;Front brake|Bybre axial floating calipers with 2 pistons;Rear brake|Bybre floating caliper 1 piston;Chain|520 X-Ring;Frame design|Steel trellis frame, powder coated;Steering head angle|62.5 °;Rear subframe design|Bolt on steel trellis frame, powder coated;Trail|99 mm;Wheelbase|1464 mm#####Front suspension|WP APEX open cartridge 43mm;Rear suspension|WP APEX Emulsion;Suspension travel (front)|200 mm;Suspension travel (rear)|200 mm;Front suspension adjustment|non adjustable;Rear suspension addition|Preload adjuster#####Seat height|825 mm;Tank capacity (approx.)|14 l;Ground clearance|232 mm;Weight (without fuel)|165 kg;Weight fully fueled|176 kg;Front wheel diameter|19 ";Rear wheel diameter|17 ";Front wheel width|2.5 ";Rear wheel width|3.5 ";Wheel Sizes|2.5 x 19"; 3.5 x 17" content_description3 content_allow_reviews n content_author content_external_ref1 content_external_ref2 content_external_ref3 showroom-KTM-2026-KTM-390-Adventure-X content_compatibility_code n content_external_src content_fullpath KTM 2026 KTM 390 Adventure X content_level 2 content_id 4785 content_module content_name 2026 KTM 390 Adventure X content_short_description1 content_short_description2 content_short_description3 content_type_code showroom content_type_id 15 content_type_name Showroom date_posted 0000-00-00 00:00:00 date_updated 2026-03-12 09:18:41 page_editor page_header 2026 KTM 390 Adventure X page_id 4785 page_index page_subheader parent_content_id 4781 parent_id 4781 rating 0 reviews 0 sortorder 0 subtitle templatebody showroom_model templatefoot templatehead templatesearch thumb_content_type_id 0 timestamp 2026-03-12 09:18:41