What category is the 2023 KTM 150 SX?

General information
Category	Cross / motocross
Model	KTM 150 SX
Year	2023
Engine and Transmission Specifications
Driveline	5/8 x 1/4Â´ chain
Clutch	Multi-plate clutch, Brembo hydraulics
Transmission type	Chain (final drive)
Gearbox	6-speed
Cooling system	Liquid
Ignition	Kokusan EMS
Fuel system	Carburettor. Mikuni TMX
Bore x Stroke	58.0 x 54.5 mm (2.3 x 2.1 inches)
Engine details	Reed intake.
Engine type	Single cylinder, two-stroke
Capacity:	144.0 ccm (8.79 cubic inches)

Brakes, suspension, Frame and wheels
Wheels	CNC machined hubs. Excel rims. Wire spoked.
Rear brakes	Single disc. Two-piston calipers.
Diameter	260 mm (10.2 inches)
Front brakes	Single disc. Four-piston calipers.
Rear wheel travel	300 mm (11.8 inches)
Rear Suspension	WP XACT Monoshock with linkage
Front wheel travel	310 mm (12.2 inches)
Front Suspension	WP XACT-USD, Ã˜ 48 mm
Rake (fork angle)	26.1°
Frame type	Central double-cradle-type 25CrMo4 steel

Physical measures and capacities
Fuel capacity	7.50 litres (1.98 US gallons)
Wheelbase	1485 mm (58.5 inches)
Ground clearance	375 mm (14.8 inches)
Seat height	950 mm (37.4 inches) If adjustable, lowest setting.
Dry weight	87.5 kg (192.9 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Starter	Kick
Color options	Orange/white/blue

Performance Profile & Rider Fit

Best For

Track90%

City5%

Cornering88%

Daily Riding5%

Touring5%

Passenger0%

Rider Profile

Best For	Best suited to intermediate-to-advanced off-road riders, as a small-bore two-stroke motocross machine demands active riding and precise clutch and throttle control to stay in its power band.
Purpose	Built purely for motocross and cross-country racing on dirt tracks, not for street or commuting use.
Rider Fit	Its ultra-light dry weight and tall seat height favor smaller or lighter riders who can still comfortably manage the high seat and aggressive riding stance.
Character	A high-strung, revvy two-stroke that rewards aggressive riding, quick gear changes, and an active body position with sharp, flickable handling.
Not Ideal For	Not suitable for riders wanting a comfortable, relaxed, road-going or touring motorcycle, or anyone seeking passenger capability or long-distance comfort.

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

Rider Fit Visualizer

2023 KTM 150 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 950mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2023 KTM 150 SX, with a cramped knee angle of around 85 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 →