Motocross Bikes

2016KTM 150 SX

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The 2016 KTM 150 SX is a lightweight, kick-start two-stroke motocross bike engineered for young and aspiring off-road racers. Known for its aggressive performance and nimble handling, the 150 SX excels in technical terrain with its WP-USD suspension and compact 87.8 kg chassis. Its 7-liter fuel capacity and proven reliability make it an ideal platform for competitive youth motocross.

Capacity: 143.9 ccm
Engine: Single, two-stroke
Gearbox: 6-speed
Dry weight: 87.8 kg
Seat height: 960 mm
Power: 11.5 HP (8.5 kW)

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What’s new for the 2016 KTM 150 SX

vs the 2015

Spec	2015	2016
Dry weight	90.4 kg (199.3 pounds)	87.8 kg (193.6 pounds)
Seat height	992 mm (39.1 inches)	960 mm (37.8 inches)
Fuel capacity	7.50 litres (1.98 US gallons)	7.00 litres (1.85 US gallons)
Front suspension	WP Suspension Up Side Down 4860 MXMA CC	WP-USD, AER 48, Ø 48 mm
Rear suspension	WP Suspension 5018 BAVP DCC	WP shock absorber with linkage

Other years 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail92%

Cornering88%

City riding5%

Daily riding5%

Touring5%

Two-up0%

Track90%

Best for: Built purely for motocross and cross-country racing on dirt tracks, not for street or commuting use.
Built for: 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.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 960mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2016 KTM 150 SX, with a cramped knee angle of around 85 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 143.9 ccm
Power: 11.5 HP (8.5 kW)
Engine type: Single, two-stroke
Power/weight ratio: 0.1310 HP/kg (dry)
Bore x stroke: 58.0 x 54.5 mm
Cooling system: Liquid
Fuel system: Carburettor
Starting: Kick
Ignition: Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Lubrication system: Mixture oil lubrication 1:40

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Multi-plate clutch, Brembo hydraulics

Dimensions & weight

Wheelbase: 1485 mm
Seat height: 960 mm
Dry weight: 87.8 kg
Fuel capacity: 7.00 litres
Ground clearance: 375 mm

Chassis & suspension

Frame: Central tube frame made of chrome molybdenum steel tubing
Front suspension: WP-USD, AER 48, Ø 48 mm
Rear suspension: WP shock absorber with linkage
Front wheel travel: 300 mm
Rear wheel travel: 300 mm
Rake (fork angle): 26.1°

Brakes & wheels

Front brakes: Single disc. Four-piston calipers.
Front brakes diameter: 260 mm
Rear brakes: Single disc. Two-piston calipers.
Rear brakes diameter: 220 mm
Front tyre: 80/100-21
Rear tyre: 100/90-19

Other

Color options: Orange/white/black

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2009	2013	2016	2018	2022	2026
Capacity	144 cc	144 cc	144 cc	144 cc	144 cc	144 cc
Dry weight	91 kg	91 kg	88 kg	87 kg	88 kg	93 kg
Seat height	985 mm	992 mm	960 mm	960 mm	950 mm	958 mm
Fuel capacity	8 L	7.5 L	7 L	7 L	7.5 L	7.2 L