Motocross Bikes
2014KTM 150 SX
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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.
- Capacity
- 143.6 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 90.8 kg
- Seat height
- 992 mm
- Power
- 11.5 HP (8.5 kW)
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- 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?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 143.6 ccm
- Power
- 11.5 HP (8.5 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1267 HP/kg
- Bore x stroke
- 56.0 x 58.4 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
- Wet multi-disc clutch / hydraulically operated
Dimensions & weight
- Wheelbase
- 1480 mm
- Seat height
- 992 mm
- Dry weight
- 90.8 kg
- Fuel capacity
- 7.50 litres
- Ground clearance
- 395 mm
Chassis & suspension
- Frame
- Central tube frame made of chrome molybdenum steel tubing
- Front suspension
- WP Â Suspension Up Side Down 4860 MXMA CC
- Rear suspension
- WP Â Suspension 5018 BAVP DCC
- Front wheel travel
- 300 mm
- Rear wheel travel
- 317 mm
- Rake (fork angle)
- 26.5°
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/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 | 2014 | 2018 | 2022 | 2026 |
|---|---|---|---|---|---|---|
| Capacity | 144 cc | 144 cc | 144 cc | 144 cc | 144 cc | 144 cc |
| Dry weight | 91 kg | 91 kg | 91 kg | 87 kg | 88 kg | 93 kg |
| Seat height | 985 mm | 992 mm | 992 mm | 960 mm | 950 mm | 958 mm |
| Fuel capacity | 8 L | 7.5 L | 7.5 L | 7 L | 7.5 L | 7.2 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the KTM 150 SX?
The 2014 KTM 150 SX has a Capacity of 143.6 ccm (8.76 cubic inches).
What engine power does the KTM 150 SX have?
The 2014 KTM 150 SX has a Power of 11.5 HP (8.5 kW).
How many gears does the KTM 150 SX have?
The 2014 KTM 150 SX has a Gearbox of 6-speed.
How much does the KTM 150 SX weigh?
The 2014 KTM 150 SX has a Dry weight of 90.8 kg (200.2 pounds).
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