KTM 450 SX ATV 2009 vs. Aprilia RS 660 2023

Technical Specifications KTM 450 SX ATV 2009 compared to Aprilia RS 660 2023

KTM 450 SX ATV 2009

Aprilia RS 660 2023

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Differences

KTM 450 SX ATV 2009

Aprilia RS 660 2023

Engine and Drive Train

Bore	Bore	97 mm	Bore	81 mm
Stroke	Stroke	60.8 mm	Stroke	63.93 mm
Compression Ratio	Compression Ratio	12.5	Compression Ratio	13.5
Starter	Starter	Electric	Starter	Electric
Cylinders	Cylinders	1	Cylinders	2
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	449 ccm	Displacement	659 ccm

Suspension Front

Front suspension	Front suspension	Strut	Front suspension	Upside-Down telescopic fork
Brand	Brand	WP	Brand	Kayaba

Chassis

Frame	Frame	Chromium-molybdenum	Frame	Aluminium

Brakes Front

Piston	Piston	Four pistons	Piston	Four pistons
Technology	Technology	Wave	Technology	radial

Brakes Rear

Type	Type	Disc	Type	Disc
Piston	Piston	Single piston	Piston	Double piston

Dimensions and Weights

Front tyre diameter	Front tyre diameter	10 inch	Front tyre diameter	17 inch
Wheelbase	Wheelbase	1,280 mm	Wheelbase	1,370 mm
Seat Height	Seat Height	795 mm	Seat Height	820 mm
Fuel Tank Capacity	Fuel Tank Capacity	10.3 l	Fuel Tank Capacity	15 l