The KTM 125 SX is one of the lightest and most compact full-size motocross bikes from KTM. It has been updated for the year 2024 with a new graphics set that looks very attractive. This motocrosser comes with a 125cc 2-stroke engine and a robust 6-speed gearbox. The KTM 125 is very lightweight and comes with a powerful engine which helps it deliver amazing performance. It is available in only one color option like the KTM 450 SX-F and its price in the United States starts at $ 7,499 USD.
KTM 125 SX Top Speed, Specifications, Images, & Price
KTM 125 SX Key Specifications
Fuel tank Capacity
Central Double Cradle Type 25 CrMo4 Steel Frame
Lightweight Polyethylene Fuel Tank
Gravity Die-Cast Swingarm
WP XACT 48 mm Upside Down Front Forks
WP XACT Mono-Shock with Linkage
High Quality CNC Machined Tripple Clamps
NEKEN Aluminium Tapered Handlebar
Front and Rear High Tech Brembo Brakes
Lightweigh CNC Machined Wheels
Dunlop Geomax MX33 Tires
Self Cleaning No-Dirt Foot Pegs
Single-Cylinder Two-Stroke Engine
Kokusan Engine Management System
Wet Multi-Plate DS Clutch with Brembo Hydraulics
Mikuni TMX Carbuerettor
KTM 125 SX Review
The KTM 125 SX comes packed with a 124.8cc single-cylinder, two-stroke engine that uses two radiators for cooling. The fuel supply relies on a Mikuni TMX carburetor and it features a robust 6-speed gearbox like the KTM 65 SX. This motocross uses a Kokusan engine management system that delivers smooth and crisp power. The 6-speed gearbox works smoothly in tandem with a wet multi-plate DS clutch with Brembo hydraulics. The KTM 125 SX top speed is nearly 85 mph in full stock conditions. Its lightweight and compact engine is capable of delivering championship-winning performance.
The latest model comes in Red Bull KTM factory racing colors and graphics. The KTM 125 SX features a central double-cradle CrMo frame with a gravity die-cast swingarm. This motocross sports 48 mm WP XACT inverted forks at the front and a WP XACT mono-shock suspension at the rear. Braking power comes from a 260 mm disc brake on the front wheel and a 220 mm disc brake on the rear wheel. The KTM 125 SX comes with a 21-inch front wheel and 19 inch rear wheel. It has a dry weight of 87.5 kg and a fuel tank capacity of 7.5 liters.
KTM 125 SX Price in the USA
The price of KTM 125 SX in the USA starts at $ 7,499 USD. This KTM motocrosser competes against the Husqvarna TC125, Yamaha YZ125, and TM MX 125. One of the major competitors of this motocross in this segment is the Yamaha YZ125. The KTM 125 SX is cheaper than its sibling the Husqvarna TC125, but the Yamaha YZ125 is the most affordable one giving it a big advantage over its competitors.
Comes with an sporty Red Bull KTM factory edition color scheme
125cc 2-stroke engine is powerful and offers great performance
Powerful and efficent disc brakes with Brembo callipers
The 125 SX comes with a potent 2-stroke mill that is compact and very lightweight. Its lightweight design and high power-to-weight ratio help it deliver great performance. This KTM motocrosser uses high-quality parts and it has a solid build quality. The KTM 125 SX is definitely one of the best motocrossers in the 125cc capacity.