KTM 390 Adventure X 2026 vs. Beta Alp X 2025

Technical Specifications KTM 390 Adventure X 2026 compared to Beta Alp X 2025

KTM 390 Adventure X 2026

Beta Alp X 2025

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Differences

KTM 390 Adventure X 2026

Beta Alp X 2025

Engine and Drive Train

Bore	Bore	89 mm	Bore	79 mm
Stroke	Stroke	64 mm	Stroke	71.2 mm
Compression Ratio	Compression Ratio	12.6	Compression Ratio	9.5
Fuel system	Fuel system	Injection	Fuel system	Injection
Throttle Bore	Throttle Bore	46 mm	Throttle Bore	44 mm
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Valves	Valves	DOHC	Valves	DOHC
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	398.7 ccm	Displacement	349 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Telescopic fork
Diameter	Diameter	43 mm	Diameter	43 mm
Travel	Travel	200 mm	Travel	185 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Travel	Travel	200 mm	Travel	195 mm
Adjustment	Adjustment	Preload	Adjustment	Preload

Chassis

Frame	Frame	Chromium-molybdenum	Frame	Steel
Frame type	Frame type	Tubular	Frame type	Perimeter

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	320 mm	Diameter	290 mm

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	240 mm	Diameter	220 mm

Dimensions and Weights

Front tyre width	Front tyre width	100 mm	Front tyre width	100 mm
Front tyre height	Front tyre height	90 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	19 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	130 mm	Rear tyre width	140 mm
Rear tyre height	Rear tyre height	80 %	Rear tyre height	80 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Wheelbase	Wheelbase	1,464 mm	Wheelbase	1,440 mm
Seat Height	Seat Height	825 mm	Seat Height	855 mm
Fuel Tank Capacity	Fuel Tank Capacity	14 l	Fuel Tank Capacity	11 l
Range	Range	430 km	Range	313 km
Combined CO2 emissions	Combined CO2 emissions	79 g/km	Combined CO2 emissions	83 g/km
Combined fuel consumption	Combined fuel consumption	3.4 l/100km	Combined fuel consumption	3.51 l/100km