KTM 150 SX - 2014 Specifications and Reviews

The 2014 KTM 150 SX is a lightweight two-stroke motocross bike designed for younger and intermediate riders seeking aggressive off-road performance. Known for its responsive handling and competitive edge in its class, the 150 SX delivers sharp acceleration and nimble maneuverability through its liquid-cooled 143cc engine and robust chrome-molybdenum frame. It remains the ideal choice for riders progressing through amateur racing or recreational trail riding.

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General information

CategoryCross / motocross
Year2014
ModelKTM 150 SX

Engine and Transmission Specifications

Driveline14:50. Primary drive: 23:73.
ClutchWet multi-disc clutch / hydraulically operated
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
IgnitionContactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Fuel systemCarburettor
Bore x stroke56.0 x 58.4 mm (2.2 x 2.3 inches)
Engine detailsReed intake.
Engine typeSingle cylinder, two-stroke
Capacity:143.60 ccm (8.76 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc. Two-piston calipers.
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc. Four-piston calipers.
Rear suspension travel317 mm (12.5 inches)
Rear suspensionWP  Suspension 5018 BAVP DCC
Front suspension travel300 mm (11.8 inches)
Front suspensionWP  Suspension Up Side Down 4860 MXMA CC
Rake (fork angle)26.5°
Frame typeCentral tube frame made of chrome molybdenum steel tubing
 
 

Physical measures and capacities

Fuel capacity7.50 litres (1.98 gallons)
Wheelbase1,480 mm (58.3 inches)
Ground clearance395 mm (15.6 inches)
Seat height992 mm (39.1 inches) If adjustable, lowest setting.
Dry weight90.8 kg (200.2 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsOrange/black
StarterKick

Performance Profile & Rider Fit

Best For

Track90%
City5%
Cornering88%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForBest 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.
PurposeBuilt purely for motocross and cross-country racing on dirt tracks, not for street or commuting use.
Rider FitIts 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.
CharacterA high-strung, revvy two-stroke that rewards aggressive riding, quick gear changes, and an active body position with sharp, flickable handling.
Not Ideal ForNot 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

2014 KTM 150 SX Rider Ergonomics Assessment

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

Feet:

At 992mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2014 KTM 150 SX, with a moderate knee angle of around 90 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.

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