What category is the 2006 KTM 450 SX?

The 2006 KTM 450 SX has a Category of Cross / motocross.

What is the engine size of the 2006 KTM 450 SX?

The 2006 KTM 450 SX has a Capacity: of 449.39 ccm (27.42 cubic inches).

What type of engine does the 2006 KTM 450 SX have?

The 2006 KTM 450 SX has a Engine type of Single cylinder.

Is the 2006 KTM 450 SX air cooled or liquid cooled?

The 2006 KTM 450 SX has a Cooling system of Liquid.

How many gears does the 2006 KTM 450 SX have?

The 2006 KTM 450 SX has a Gearbox of 4-speed.

How much does the 2006 KTM 450 SX weigh?

The 2006 KTM 450 SX has a Dry weight of 105.2 kg (231.9 pounds).

What is the seat height of the 2006 KTM 450 SX?

The 2006 KTM 450 SX has a Seat height of 925 mm (36.4 inches) If adjustable, lowest setting..

KTM 450 SX - 2006 Specifications and Reviews

Name: 2006 KTM 450 SX
Brand: KTM

The 2006 KTM 450 SX is a high-performance four-stroke motocross bike designed for competitive riders and experienced enthusiasts. Known for its aggressive power delivery and lightweight chassis, it delivers impressive acceleration and handling that made it a formidable presence on professional and amateur circuits. The liquid-cooled engine and advanced ignition system ensure reliability during intense racing conditions.

⇄ Compare against another bike 📅 All Years

2006

❮❯

Add/Upload pictures for this motorcycle

General information
Category	Cross / motocross
Year	2006
Model	KTM 450 SX

Engine and Transmission Specifications
Clutch	Wet multi-disc clutch, operated hydraulically
Gearbox	4-speed
Cooling system	Liquid
Lubrication system	Pressure lubrication with 2 Eaton pumps
Starter	Kick
Ignition	Kokusan digital 4K-3A
Fuel control	OHC
Valves per cylinder	4
Fuel system	Carburettor. Keihin MX FCR 41
Bore x stroke	95.0 x 63.4 mm (3.7 x 2.5 inches)
Compression	12.0:1
Stroke	4
Engine type	Single cylinder
Capacity:	449.39 ccm (27.42 cubic inches)
Physical measures and capacities
Wheelbase	1,481 mm (58.3 inches)
Ground clearance	380 mm (15.0 inches)
Overall width	450 mm (17.7 inches)
Seat height	925 mm (36.4 inches) If adjustable, lowest setting.
Dry weight	105.2 kg (231.9 pounds)

KTM 450 SX dimensions and frame
Exhaust system	Aluminum
Rear brakes diameter	220 mm (8.7 inches)
Rear brakes	Single disc
Front brakes diameter	260 mm (10.2 inches)
Front brakes	Single disc
Rear tyre dimensions	110/90-19
Front tyre dimensions	80/100-21
Rear suspension travel	335 mm (13.2 inches)
Rear suspension	WP-PDS shock absorber
Front suspension travel	300 mm (11.8 inches)
Front suspension	WP-USD 48 mm (1.89 inches)
Trail	112 mm (4.4 inches)
Rake (fork angle)	26.5°
Frame type	Central double-cradle-type 25 CrMo4
Speed and acceleration
Fuel capacity	7.00 litres (1.85 gallons)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track60%

City10%

Cornering90%

Daily Riding10%

Touring10%

Passenger5%

Rider Profile

Best For	This is a competition-grade motocross machine best suited to experienced off-road or motocross riders, not beginners.
Purpose	Built purely for motocross racing and aggressive off-road riding on tracks and rough terrain.
Rider Fit	The tall 925mm seat height, lightweight 105kg chassis, and kick-start-only setup demand good physical fitness and off-road riding skill.
Character	A raw, high-revving thumper with razor-sharp handling, long-travel suspension, and a hard-edged racing personality.
Not Ideal For	Not suitable for commuting, touring, passengers, or riders wanting road comfort and low-maintenance convenience.

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

Rider Fit Visualizer

2006 KTM 450 SX Rider Ergonomics Assessment

Your height

Inseam (optional)

Units

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 925mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2006 KTM 450 SX, with a cramped knee angle of around 80 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

Find bikes that fit your height →