What category is the 2020 KTM 125 SX?

The 2020 KTM 125 SX has a Category of Enduro / offroad.

What is the engine size of the 2020 KTM 125 SX?

The 2020 KTM 125 SX has a Capacity: of 124.8 ccm (7.62 cubic inches).

What type of engine does the 2020 KTM 125 SX have?

The 2020 KTM 125 SX has a Engine type of Single cylinder, two-stroke.

What is the engine power of the 2020 KTM 125 SX?

The 2020 KTM 125 SX has a Power of 15.0 HP (10.9 kW).

Is the 2020 KTM 125 SX air cooled or liquid cooled?

The 2020 KTM 125 SX has a Cooling system of Liquid.

How many gears does the 2020 KTM 125 SX have?

The 2020 KTM 125 SX has a Gearbox of 6-speed.

How much does the 2020 KTM 125 SX weigh?

The 2020 KTM 125 SX has a Dry weight of 137.0 kg (302.0 pounds).

KTM 125 SX - 2020 Specifications and Reviews

Name: 2020 KTM 125 SX
Brand: KTM

The 2020 KTM 125 SX is a lightweight motocross bike engineered for young and amateur riders seeking an accessible entry into competitive racing. Known for its responsive WP suspension package and electric start convenience, this machine delivers nimble handling and reliable performance on amateur racing circuits and training grounds.

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2020

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General information
Category	Enduro / offroad
Year	2020
Model	KTM 125 SX
Engine and Transmission Specifications
Driveline	5/8 Â x Â 1/4 (520) O Ring. Primary drive: 22:72.
Clutch	Wet multi-disc clutch, mechanically actuated
Transmission type	Chain (final drive)
Gearbox	6-speed
Cooling system	Liquid
Lubrication system	Wet sump
Ignition	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Fuel control	Double Overhead Cams/Twin Cam (DOHC)
Fuel system	Injection
Bore x Stroke	54.0 x 54.5 mm (2.1 x 2.1 inches)
Power	15.0 HP (10.9 kW)
Engine type	Single cylinder, two-stroke
Capacity:	124.8 ccm (7.62 cubic inches)

Brakes, suspension, Frame and wheels
Rear brakes	Single disc
Diameter	260 mm (10.2 inches)
Front brakes	Single disc
Rear tire	150-17
Front tire	110-17
Rear wheel travel	150 mm (5.9 inches)
Rear Suspension	WP Monoshock
Front Suspension	WP upside-down Ã˜ 48 mm
Frame type	Central double-cradle

Physical measures and capacities
Power/weight ratio	0.1095 HP/kg
Dry weight	137.0 kg (302.0 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Starter	Electric
Color options	White, Orange

Performance Profile & Rider Fit

Best For

Track95%

City10%

Cornering90%

Daily Riding10%

Touring8%

Passenger5%

Rider Profile

Best For	This is a full-on motocross competition bike best suited to intermediate through expert off-road riders, not beginners or casual road riders.
Purpose	Built purely for closed-course motocross racing, it excels at jumps, berms, and rapid direction changes on dirt tracks rather than any street use.
Rider Fit	The tall 958 mm seat height, aggressive ergonomics, and demanding 2-stroke power delivery require good rider fitness, strength, and prior dirt bike experience.
Character	Light, explosive, and razor-sharp in handling, it rewards aggressive riding with a peaky two-stroke power band and minimal weight to manage.
Not Ideal For	It is not suitable for commuting, highway travel, passengers, or riders seeking comfort, storage, or a forgiving low-end power delivery.

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

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Rider Reviews

Total comments: 1

MotorcycleDB Review

The 2020 KTM 125 SX is an impressive motorcycle that offers top-notch performance and power. This model is perfect for riders who are looking for a lightweight and agile bike that can handle rough terrains with ease. With its powerful 125cc engine and advanced suspension system, the KTM 125 SX delivers a smooth and thrilling riding experience. Additionally, its sleek design and high-quality construction make it a standout choice for anyone in the market for a reliable and versatile off-road motorcycle. In conclusion, the 2020 KTM 125 SX is an outstanding option for riders who demand nothing but the best. Its superior performance, lightweight design, and durable construction set it apart from the competition. Whether you're a professional racer or a weekend warrior, the KTM 125 SX is sure to impress with its speed, agility, and overall performance. If you're in the market for a high-quality off-road motorcycle, the 2020 KTM 125 SX is definitely worth consideration.