What category is the 2009 KTM 50 SX?

The 2009 KTM 50 SX has a Category of Minibike, cross.

What is the engine size of the 2009 KTM 50 SX?

The 2009 KTM 50 SX has a Capacity: of 49.00 ccm (2.99 cubic inches).

What type of engine does the 2009 KTM 50 SX have?

The 2009 KTM 50 SX has a Engine type of Single cylinder.

Is the 2009 KTM 50 SX air cooled or liquid cooled?

The 2009 KTM 50 SX has a Cooling system of Liquid.

How many gears does the 2009 KTM 50 SX have?

The 2009 KTM 50 SX has a Gearbox of Automatic.

How much does the 2009 KTM 50 SX weigh?

The 2009 KTM 50 SX has a Dry weight of 39.8 kg (87.7 pounds).

What is the seat height of the 2009 KTM 50 SX?

The 2009 KTM 50 SX has a Seat height of 684 mm (26.9 inches) If adjustable, lowest setting..

KTM 50 SX - 2009 Specifications and Reviews

Name: 2009 KTM 50 SX
Brand: KTM

The 2009 KTM 50 SX is a liquid-cooled minibike designed for young riders entering competitive motocross. Its potent 49cc two-stroke engine with high 12.5:1 compression delivers impressive power for its class, making it ideal for race-focused beginners. Known for aggressive performance and responsive handling, it remains a benchmark entry-level cross bike.

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2009

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Engine and Transmission Specifications
Clutch	Centrifugal clutch
Transmission typefinal drive	Chain
Gearbox	Automatic
Cooling system	Liquid
Lubrication system	Mixture lubrication 1:60
Starter	Kick
Ignition	Seletra analogue
Fuel system	Carburettor. Dell´Orto PHBG 19 BS
Bore x stroke	39.5 x 40.0 mm (1.6 x 1.6 inches)
Compression	12.5:1
Stroke	2
Engine type	Single cylinder
Capacity:	49.00 ccm (2.99 cubic inches)

Physical measures and capacities
Wheelbase	1,030 mm (40.6 inches)
Ground clearance	255 mm (10.0 inches)
Seat height	684 mm (26.9 inches) If adjustable, lowest setting.
Dry weight	39.8 kg (87.7 pounds)
KTM 50 SX dimensions and frame
Exhaust system	Aluminium
Rear brakes diameter	140 mm (5.5 inches)
Rear brakes	Single disc. Bremo
Front brakes diameter	160 mm (6.3 inches)
Front brakes	Single disc. Bremo
Rear tyre dimensions	2.75-10
Front tyre dimensions	60/100-12
Rear suspension travel	185 mm (7.3 inches)
Rear suspension	WP monoshock
Front suspension travel	185 mm (7.3 inches)
Front suspension	Marzocchi, 32 mm
Trail	90 mm (3.5 inches)
Rake (fork angle)	24.0°
Frame type	Double grinded central double-cradle-type frame. Steel subframe.
Speed and acceleration
Color options	Orange/black
Fuel capacity	2.30 litres (0.61 gallons)

Category	Minibike, cross
Year	2009
Model	KTM 50 SX

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track55%

City5%

Cornering60%

Daily Riding5%

Touring5%

Passenger0%

Rider Profile

Best For	This is a first motorcycle built for young children just starting out in motocross, not for teen or adult riders of any skill level.
Purpose	It exists purely to teach a child the fundamentals of balance, throttle control, and off-road riding in a safe, low-powered package.
Rider Fit	Its very low 653 mm seat height and lightweight small-bore chassis are sized specifically for small children, with an adjustable centrifugal clutch to tailor power delivery to their skill.
Character	It behaves like a purpose-built miniature dirt bike, docile and forgiving with an automatic single-speed gearbox that removes clutch and shifting complexity so a child can focus on riding.
Not Ideal For	It is not suitable for adults, taller teens, road use, touring, or anyone seeking real speed or highway capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.