Kawasaki KX450 50th Anniversary Edition 2025 vs. Triumph Speed 400 2025

Technical Specifications Kawasaki KX450 50th Anniversary Edition 2025 compared to Triumph Speed 400 2025

Kawasaki KX450 50th Anniversary Edition 2025

Triumph Speed 400 2025

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Differences

Kawasaki KX450 50th Anniversary Edition 2025

Triumph Speed 400 2025

Engine and Drive Train

Bore	Bore	96 mm	Bore	89 mm
Stroke	Stroke	62.1 mm	Stroke	64 mm
Compression Ratio	Compression Ratio	12.5	Compression Ratio	12
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
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	5	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	449 ccm	Displacement	398 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Diameter	Diameter	49 mm	Diameter	43 mm
Travel	Travel	305 mm	Travel	140 mm

Suspension Rear

Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Travel	Travel	307 mm	Travel	130 mm
Adjustment	Adjustment	Compression, Preload, Rebound	Adjustment	Preload

Chassis

Frame	Frame	Aluminium	Frame	Steel
Rake	Rake	42 degree	Rake	24.6 degree
Trail	Trail	122 mm	Trail	102 mm

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	270 mm	Diameter	300 mm
Piston	Piston	Double piston	Piston	Four pistons
Shock mount	Shock mount	Semi-Schwimmsattel	Shock mount	Fixed caliper
Technology	Technology	Petal	Technology	radial

Brakes Rear

Diameter	Diameter	250 mm	Diameter	230 mm
Piston	Piston	Single piston	Piston	Single piston

Dimensions and Weights

Front tyre width	Front tyre width	80 mm	Front tyre width	110 mm
Front tyre height	Front tyre height	100 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	120 mm	Rear tyre width	150 mm
Rear tyre height	Rear tyre height	80 %	Rear tyre height	60 %
Rear tyre diameter	Rear tyre diameter	19 inch	Rear tyre diameter	17 inch
Length	Length	2,185 mm	Length	2,056 mm
Width	Width	820 mm	Width	795 mm
Height	Height	1,265 mm	Height	1,075 mm
Wheelbase	Wheelbase	1,485 mm	Wheelbase	1,377 mm
Seat Height	Seat Height	955 mm	Seat Height	790 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	110.2 kg	Kerb Weight (with ABS)	170 kg
Fuel Tank Capacity	Fuel Tank Capacity	6.2 l	Fuel Tank Capacity	13 l