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KTM 125 SX
2024Off-road

KTM 125 SX

Key specifications

Engine
125 cc
Weight
92 kg
Fuel type
petrol
Fuel capacity
1.9 L
Transmission
6-speed
Seat height
38 mm
Front brakes
Single disc
Rear brakes
Single disc

Overview

Introducing the 2024 KTM 125 SX, a powerhouse in the Enduro-offroad category that stands out with its dynamic performance and race-ready design. Renowned for their commitment to precision engineering and cutting-edge technology, KTM has crafted a machine that is not only agile and lightweight but also packed with features that cater to both novice riders and seasoned professionals. As the smallest model in the KTM SX lineup, the 125 SX offers a perfect entry point for those looking to dominate the dirt while still appealing to experienced riders seeking a nimble and responsive bike for tight trails and motocross tracks. At the heart of the 2024 KTM 125 SX lies a robust 124.8 ccm engine that delivers exhilarating power while remaining incredibly lightweight at just 92.4 kg (203.7 pounds). With a bore and stroke of 54.0 x 54.5 mm, this engine is engineered for high-rev performance, providing a thrilling ride that is both responsive and controllable. The cutting-edge fuel injection system, combined with the Vitesco Technologies EMS ignition, ensures a smooth throttle response and optimal fuel efficiency. Riders will appreciate the 6-speed gearbox that allows for quick gear shifts, enabling seamless acceleration on varied terrains. The liquid cooling system keeps the engine performing at its best, even during intense rides, while the wet multi-disc DS clutch with Brembo hydraulics ensures reliable and effortless engagement. The KTM 125 SX is not just about power; it also boasts an impressive array of features and advanced technology designed for superior handling and comfort. The central double-cradle frame made from 25CrMo4 steel contributes to the bike's lightweight yet durable construction, paired with a WP XACT-USD front suspension offering 310 mm of travel for exceptional control over rough terrain. The rear features a WP XACT Monoshock with linkage, providing an additional 300 mm of travel to tackle obstacles with ease. With a ground clearance of 359 mm (14.1 inches) and an adjustable seat height of 958 mm (37.7 inches), riders can expect a comfortable and confident riding position. The electric starter adds a modern convenience, ensuring you’re ready to hit the trails at a moment's notice. Pros: - Lightweight and Agile: At just 203.7 pounds, the 125 SX is incredibly nimble, allowing for easy maneuverability in tight situations. - Advanced Suspension: The WP XACT suspension components provide exceptional travel and adjustability, ensuring superior handling on various terrains. - Fuel Injection Technology: The EFI system delivers optimal performance and efficiency, making every ride smooth and exhilarating. Cons: - Limited Power for Advanced Riders: While great for beginners, experienced riders may find the power output less than exhilarating compared to larger displacement bikes. - Seat Height: At 37.7 inches, the seat height may pose a challenge for shorter riders, making it less accessible for all. - Minimal Fuel Capacity: With a fuel tank size of only 7.20 liters (1.90 US gallons), longer rides may require more frequent refueling stops. In summary, the 2024 KTM 125 SX stands as a testament to KTM's dedication to performance and innovation, making it an outstanding choice for riders looking to conquer the off-road world with confidence and style. Whether you’re tearing up the trails or honing your skills on the track, the 125 SX is designed to deliver an unforgettable riding experience.

Technical details

Source specification data

Make
KTM
Model
125 SX
Category
Enduro-offroad
Starter
Electric
Color Options
White/orange/grey/purple
Clutch
Wet
multi-disc
S
clutch,
Brembo
hydraulics
Gearbox
6-speed
Ignition
Vitesco Technologies EMS
Driveline
520, Non-sealed chain
Engine Type
Single cylinder, two-stroke
Fuel System
Injection. EFI
Bore X Stroke
54.0 x 54.5 mm (2.1 x 2.1 inches)
Displacement
124.8 ccm (7.62 cubic inches)
Cooling System
Liquid
Lubrication System
Wet sump
Transmission Type Final Drive
Chain (final drive)
Dry Weight
92.4 kg (203.7 pounds)
Seat Height
958 mm (37.7 inches) If adjustable, lowest setting.
Fuel Capacity
7.20 litres (1.90 US gallons)
Ground Clearance
359 mm (14.1 inches)
Power Weight Ratio
0.1623 HP/kg
Rake
26.1°
Rear Tyre
2.15-19
Frame Type
Central
double-cradle-type 25
Mo4
steel
Front Tyre
1.6-21
Rear Brakes
Single disc
Front Brakes
Single disc
Rear Suspension
WP XACT Monoshock with linkage
Front Suspension
WP XACT-USD, Ø 48 mm
Rear Wheel Travel
300 mm (11.8 inches)
Front Wheel Travel
310 mm (12.2 inches)
Rear Brakes Diameter
220 mm (8.7 inches)
Front Brakes Diameter
260 mm (10.2 inches)

Available colors

White/orange/grey/purple