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2021 KTM 390 Adventure Motorcycle Review Specs Price

Get your adrenaline pumping on the new KTM 390 Adventure Single-cylinder travel-enduro motorcycle with a sporty design attitude and outstanding performance capabilities of the KTM Adventure series. Its ergonomics, smooth power delivery, and innovative technology come together in a comfortable, lightweight package designed for folks who want to incorporate more adventure into their everyday routines.

2021 KTM 390 Adventure Motorcycle – Features and Price

2021 KTM 390 Adventure Motorcycle


All of the components of the KTM 390 ADVENTURE’s exhaust system have been meticulously engineered to provide the best possible sound and performance. The metal sleeve that forms the silencer is small and light, and it is placed near the bike’s general center of gravity to help it balance and handle better. Fast, smooth power delivery is made possible by this component, which is specially engineered to have minimal impact on the rider’s ability to maneuver about the bike. The header pipe and pre-muffler include two catalytic converters, significantly reducing exhaust pollutants.


The 373.2 cc, liquid-cooled, single-cylinder, four-stroke engine of this nimble motorcycle is well suited to KTM’s ADVENTURE world. The electronic starter on this engine allows it to reach outstanding peak power and torque. For the KTM 390 ADVENTURE, electronic fuel injection, four valves, and a balancer shaft contribute to the bike’s incredible strength and smoothness. Allowing for straight intake channels, as well as shorter distances for intake air to flow into and through the combustion chamber and two catalytic converters, is made possible by its lightweight and compact design. The engine warms up more quickly due to the increased air and gas flow. Two catalytic converters and an exhaust ventilation system (EVAP system) further reduce emissions and keep gasoline vapors from entering the atmosphere, making the KTM 390 ADVENTURE an environmentally friendly machine that meets all applicable exhaust emission regulations.

2021 KTM 390 Adventure Motorcycle

Slipper Clutch

One of the best impressive features of the slipper clutch is its ability to save power while allowing smooth sliding. Rear-wheel chatter is prevented when the engine back-torque is too high, resulting in just enough brake force for a regulated rear-wheel slide while braking suddenly or decelerating. When the throttle is opened, the clutch springs shut, enabling the grip to be pushed with one finger, which reduces the amount of energy needed while riding.


The DLC coating on the 89 mm bore piston provides an added layer of protection. This engine’s compression ratio is 12.6:1, and its 60-mm stroke gives in a 373.2-cc displacement. To keep the crown from overheating and the piston from overheating, the oil spray nozzle is used to cool the height.


The 6-speed sequential transmission of the KTM 390 ADVENTURE is robust. There is a wide range of gears to choose from, ranging from smooth street rides to more adventurous off-road adventures, thanks to the 373.2 cc engine’s gear ratios.

2021 KTM 390 Adventure Motorcycle

A2 License

The KTM 390 ADVENTURE meets every criterion for an A2 driver’s license.


The gasoline tank is a critical component of this vehicle’s design and technical prowess. The compact knee region gives superb control and even accommodates taller riders because of the shape’s exceptional ergonomics. With a maximum fuel capacity of 14.5 liters and excellent fuel efficiency, it is suitable for more than four hundred kilometers of non-stop driving.


The KTM 390 ADVENTURE has a trellis frame like the race-proven KTM 450 RALLIES, which is exceptionally light and stable. Over and above all other criteria, it is the skeleton of this quick explorer. With a wheelbase of 1,430 +/- 15.5 mm (56.3 +/- 0.6 in) and a 26.5-degree steering head angle, the configuration is geared toward offroad use. Straight-line stability and accurate and nimble steering behavior are also based on this.


Using four screws, the steel trellis subframe is attached to the rest of the frame. To manage the rigors of adventure riding, the bike was designed to be lightweight and small yet sturdy enough to carry a passenger and their gear.

2021 KTM 390 Adventure Motorcycle


With its open-lattice swingarm, the KTM ADVENTURE series stands out. It is constructed to an exacting standard, with a high rigidity while maintaining outstanding elasticity. As a result, the rider gets a better sense of how the bike behaves, as well as a reduction in complexity and components. The swingarm is long enough to accommodate a wide range of off-road tires.


Developed over several years of testing in some of the world’s most rugged terrain, the KTM 390 ADVENTURE is ready for any adventure. WP APEX suspensions provide comfort, control, and clearance in the front and back, in harmony with the chassis.

Front Fork

Initially designed for enduro racing, the WP APEX 43 mm upside-down fork is admirably adapted to the needs of today’s adventurers. The WP APEX 43 mm fork’s exceptional responsiveness and damping qualities result from high-quality materials and innovative manufacturing processes.

Rear Shock

The WP APEX shock absorber is included in the KTM 390 ADVENTURE’s agile chassis. Designed for long-distance travel in challenging situations, it delivers exceptional performance. It has an adjustable spring preload and rebound damping, allowing it to be fine-tuned to various riding conditions, matching trademark KTM performance with all-day comfort.

2021 KTM 390 Adventure Motorcycle


The KTM 390 ADVENTURE is equipped with cast wheels built to withstand the rigors of rough terrain. Tubeless CONTINENTAL TKC 70 tires on the 19-inch front wheel and 17-inch rear wheel provide superb street performance, but they also give enough traction and control when making an offroad detour on the way home.

  • 100/90-19 tubeless CONTINENTAL TKC 70, 2.5-inch rims in the front
  • TKC 70 tubeless CONTINENTAL TKC 70 130/80-17 tubeless tires for the back


High-quality BYBRE brakes are equipped with front and rear disks that measure 320 and 230 millimeters in diameter, respectively, and include a 4-piston radial front caliper and a 2-piston floating rear caliper. When the road becomes shaky, a two-channel ABS from BOSCH ensures the best possible performance.

Ergonomics & Comfort

The windscreen of the KTM 390 ADVENTURE is an effective wind deflector. Although it is coated with mud, the profile of this windshield keeps it clear enough for the rider to see clearly in front of the bike without any hindrance. Additionally, it may be positioned lower or higher depending on the rider’s height or preferences. The KTM Power Parts catalog offers two alternative windshield heights.


The high-end, tapered aluminum handlebar on the KTM 390 Adventure, as it is on the larger-displacement Adventure motorcycles, gives a comfortable riding posture and maximum control, much as on those machines. The left side of the device has a menu switch for the TFT display and several modes and connection options. A simple “up & down” motion is all it takes to go to the desired setting or back a step.


The 855 mm seat height of the split-seat design makes it ideal for extended trips (33.7 in). A smaller seat in front makes it simpler for the rider to get down from a standing position. To keep you motivated to keep riding, the seat cover gives an excellent combination of grip and mobility, while the foam delivers a pleasant ride. The airbox and a tiny storage compartment are readily accessible after removing the seat.

2021 KTM 390 Adventure Motorcycle

2021 KTM 390 Adventure Motorcycle – Price

The new 2021 KTM 390 Adventure Motorcycle is available at $6,399.

2021 KTM 390 Adventure Motorcycle – Technical Specifications


Transmission 6-speed
Cooling Liquid-cooled
Power in KW 32kW
Starter Electric starter
Stroke 60mm
Bore 89mm
Clutch PASC™ anti-hopping clutch, mechanically operated
Displacement 373cm³
EMS Bosch EMS with RBW
Design 1-cylinder, 4-stroke engine
Lubrication Wet sump


ABS Bosch 9.1MP Two Channel-ABS (incl. Cornering-ABS and offroad mode)
Rear brake disc diameter 230mm
Chain 520 X-Ring
Frame design Steel trellis frame, powder-coated
Rear suspension WP APEX – Monoshock
Steering head angle 63.5°

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