KTM 450 EXC-F 2021 vs. KTM 450 SMR 2025

Technical Specifications KTM 450 EXC-F 2021 compared to KTM 450 SMR 2025

KTM 450 EXC-F 2021

KTM 450 SMR 2025

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Differences

KTM 450 EXC-F 2021

KTM 450 SMR 2025

Engine and Drive Train

Bore	Bore	95 mm	Bore	95 mm
Stroke	Stroke	63.4 mm	Stroke	63.4 mm
Compression Ratio	Compression Ratio	11.8	Compression Ratio	13
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath, Antihopping
Transmission	Transmission	Chain	Transmission	Chain
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	6	Number of gears	5
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	OHC
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	449.3 ccm	Displacement	449.9 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Brand	Brand	WP	Brand	WP
Diameter	Diameter	48 mm	Diameter	48 mm
Travel	Travel	300 mm	Travel	283 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Shock mount	Shock mount	direct	Shock mount	Deflection
Brand	Brand	WP	Brand	WP
Travel	Travel	310 mm	Travel	266 mm

Chassis

Frame	Frame	Steel	Frame	Chromium-molybdenum
Frame type	Frame type	Central tube	Frame type	Double cradle, Central tube
Rake	Rake	63.5 degree	Rake	63.9 degree

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	260 mm	Diameter	310 mm

Brakes Rear

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

Dimensions and Weights

Front tyre width	Front tyre width	80 mm	Front tyre width	125 mm
Front tyre height	Front tyre height	100 %	Front tyre height	75 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	16.5 inch
Rear tyre width	Rear tyre width	140 mm	Rear tyre width	165 mm
Rear tyre height	Rear tyre height	80 %	Rear tyre height	55 %
Rear tyre diameter	Rear tyre diameter	18 inch	Rear tyre diameter	17 inch
Wheelbase	Wheelbase	1,482 mm	Wheelbase	1,472 mm
Seat Height	Seat Height	960 mm	Seat Height	898 mm
Fuel Tank Capacity	Fuel Tank Capacity	8.5 l	Fuel Tank Capacity	7.2 l