Motocross Bikes
2013KTM 150 SX
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The 2013 KTM 150 SX is a lightweight two-stroke motocross bike designed for young intermediate riders and smaller-framed competitors seeking an agile, nimble platform. Known for its punchy 143cc reed-valve engine and exceptional maneuverability, this machine excels in technical terrain with responsive handling and a playful power delivery that rewards smooth technique over brute force.
- 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)
What’s new for the 2013 KTM 150 SX
vs the 2012| Spec | 2012 | 2013 |
|---|---|---|
| Front brakes | Single disc | Single disc. Four-piston calipers. |
| Rear brakes | Single disc | Single disc. Two-piston calipers. |
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 (dry)
- 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 Suspension Up Side Down 4860 MXMA CC
- Rear suspension
- WP Suspension 5018 BAVP DCC
- Front wheel travel
- 310 mm
- Rear wheel travel
- 300 mm
- Rake (fork angle)
- 26.5°
Brakes & wheels
- Front brakes
- Single disc. Four-piston calipers.
- Front brakes diameter
- 220 mm
- Rear brakes
- Single disc. Two-piston calipers.
- Rear brakes diameter
- 210 mm
- Front tyre
- 80/100-21
- Rear tyre
- 100/90-19
Other
- Color options
- Orange/black
Specs last verified against published sources: .
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 | 2018 | 2022 | 2026 |
|---|---|---|---|---|---|
| Capacity | 144 cc | 144 cc | 144 cc | 144 cc | 144 cc |
| Dry weight | 91 kg | 91 kg | 87 kg | 88 kg | 93 kg |
| Seat height | 985 mm | 992 mm | 960 mm | 950 mm | 958 mm |
| Fuel capacity | 8 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 2013 KTM 150 SX has a Capacity of 143.6 ccm (8.76 cubic inches).
What engine power does the KTM 150 SX have?
The 2013 KTM 150 SX has a Power of 11.5 HP (8.5 kW).
How many gears does the KTM 150 SX have?
The 2013 KTM 150 SX has a Gearbox of 6-speed.
How much does the KTM 150 SX weigh?
The 2013 KTM 150 SX has a Dry weight of 90.8 kg (200.2 pounds).
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