2023 KTM 390 Adventure vs 2023 Yamaha YZ450FX

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2023 KTM 390 Adventure 2023 KTM 390 Adventure

Enduro / Off-Road

Engine
Four stroke, single cylinder, DOHC with finger followers, 4 valves
Power
44 hp / 32.8 kW @ 9000 rpm
Top Speed
N/A
Weight
172 kg / 379 lbs fully fueled
2023 Yamaha YZ450FX 2023 Yamaha YZ450FX

Enduro / Off-Road

Engine
Titanium valves
Power
N/A
Top Speed
N/A
Weight
254.0 pounds
Full Specifications
General
Comments-Power Tuner App. Adjustable Engine Mapping.
Year2023-
Colours-Team Yamaha Blue
Make ModelKTM 390 Adventure-
Warranty-30 Day Limited Factory Warranty
Dimensions
Ground Clearance (mm)-320 mm
Ground Clearance (in.)-12.6 inches
Seat Height830 - 855 mm / 32.6 in - 33.6 in955 mm / 37.6 in.
Wheelbase1430 ± 15.5 mm / 56.3 in ± 0.6 in1481 mm / 58.3 in.
Ground Clearance200 mm / 7.8 in-
Height-1280 mm / 50.4 in.
Length-2174 mm / 85.6 in.
Width-826 mm / 32.5 in.
Weights & Capacities
Fuel Capacity14.5 Litres / 3.8 US gal8.33 litres / 2.20 US gallons
Wet Weight172 kg / 379 lbs fully fueled115.2 kg / 254.0 lbs
Performance
Max Power44 hp / 32.8 kW @ 9000 rpm-
Max Torque37 Nm / 27.2 lb-ft@ 7000rpm-
Engine
Engine Type-Single cylinder, four-stroke
Displacement (ci)-27.44 cubic inches
Displacement (cc)-449.7 cc
Bore x Stroke (mm)-97.0 x 60.9 mm
Bore x Stroke (in,)-3.8 x 2.4 inches
Fuel Control-Double Overhead Cams/Twin Cam (DOHC)
Displacement373 cc / 22.7 cu-in-
Engine DetailFour stroke, single cylinder, DOHC with finger followers, 4 valvesTitanium valves
Fuel System-Injection. Mikuni® 44mm
Bore x Stroke89 x 60 mm-
Compression Ratio12.6:113.0:1
Cooling SystemLiquid Cooled-
EmissionsEuro 5-
Engine Lubrication-Wet sump
Engine ManagementBosch EMS with RBW-
ExhaustStainless steel primary and aluminium secondary silencer-
Fuel InductionBosch EFI throttle body 38 mm-
LubricationWet sump-
StarterElectricElectric
Valve System-4
Drivetrain
ClutchPASC antihopping clutch, mechanically operatedWet multi-disc
Final DriveChain X-Ring 520Chain   (final drive)
Final Drive Ratio15:45-
Gearbox-5-speed
Primary Drive-O-ring chain
Primary Drive Ratios30:80-
Transmission / Drive6 Speed-
Chassis
Frame TypeSteel trellis frame, powder coated, Subframe Steel trellis frame, powder coatedAluminum Bilateral Beam
Suspension - Front43 mm WP APEX inverted forkKYB® spring-type fork with speed sensitive damping; fully adjustable
Suspension - RearWP APEX shock absorber, adjustbable rebound and spring preloadKYB® single shock; full adjustable
Rake-27.2°
Steering Head Angle63.5°-
Trail98 mm / 3.8 in117 mm / 4.6 in.
Wheel Travel - Front170 mm / 6.7 in310 mm / 12.2 in.
Wheel Travel - Rear177 mm / 7.0 in318 mm / 12.5 in.
Electronics
Traction controlMTC-
Wheels & Brakes
Brakes - FrontSingle 320 mm disc, 4 piston, radially mounted caliperSingle disc. Hydraulic
Brakes - RearSingle 230 mm disc 2 piston caliperSingle disc. Hydraulic
ABSBosch 9.1 MP (incl. Cornering-ABS and offroad mode, disengageable)-
Rims-Dunlop Geomax MX33 tyres
Rims - Front2.50 x 19-
Rims - Rear3.50 x 17-
Tyres - Front100/90 ZR 1980/100-21
Tyres - Rear130/80 ZR 17-
WheelsSpoked wheels or cast wheels - black/orange or blue/orange-

Verdict

Too close to call

The 2023 KTM 390 Adventure and the 2023 Yamaha YZ450FX are evenly matched across the key measurable criteria. Your decision comes down to personal preference, riding style, and which brand's dealer network best suits your location.

Key Differences

2023 KTM 390 Adventure - Advantages

  • Lower seat height: 830 - 855 mm vs 955 mm - accessible to a wider range of rider heights.
  • Liquid cooling: Consistent engine temperature in stop-start traffic and hot climates.
  • Standard ABS: A meaningful safety advantage in emergency braking on wet or loose surfaces.

2023 Yamaha YZ450FX - Advantages

  • More ground clearance: 320 mm vs 200 mm - better clearance over rocks and obstacles.
  • More rear wheel travel: 318 mm vs 177 mm - absorbs bigger hits and rough terrain better.
  • More front wheel travel: 310 mm vs 170 mm - greater compliance over rough surfaces.

2023 KTM 390 Adventure vs 2023 Yamaha YZ450FX - FAQs

What are the engine differences between the 2023 KTM 390 Adventure and 2023 Yamaha YZ450FX?
The 2023 KTM 390 Adventure uses Four stroke, single cylinder, DOHC with finger followers, 4 valves, while the 2023 Yamaha YZ450FX is powered by Single cylinder, four-stroke.
Which bike is better for shorter riders, the 2023 KTM 390 Adventure or the 2023 Yamaha YZ450FX?
The 2023 KTM 390 Adventure has the lower seat at 830 - 855 mm, making it more accessible. The 2023 Yamaha YZ450FX sits higher at 955 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Does the 2023 KTM 390 Adventure or 2023 Yamaha YZ450FX have ABS?
The 2023 KTM 390 Adventure is listed with ABS as standard. The 2023 Yamaha YZ450FX does not list ABS. ABS provides a meaningful safety benefit in emergency braking on wet or loose surfaces.
Which should I buy, the 2023 KTM 390 Adventure or the 2023 Yamaha YZ450FX?
Both are strong choices. The 2023 KTM 390 Adventure has the edge in lower seat height and liquid cooling, while the 2023 Yamaha YZ450FX stands out for greater ground clearance and higher rear wheel travel. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.