Designed to churn out torque the 2025 KTM 125 SX is set to continue its dominance in its class with unrelenting forward momentum. With an overal engine weight of just 39.3 lb (17.86 kg) and impressive horsepower figures, this lightweight powerplant retains its typical high-revving character, while laying down the grunt where it matters most.

Browse our extensive inventory of new and used Ktm 125 motorcycles from local Ktm dealers and private sellers. Compare prices, models, trims, options and specifications between different Ktm motorcycles on Cycle Trader. 2024 KTM 125 SX, Ready to ride? Call/text (419)524-2222 or Request More Information from the Shopping Tools Menu.

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.

Mar 21, 2025 · The 2025 KTM 125 SX builds upon the foundation of the KTM 125 SX but with a significant overhaul of components. Specifically designed, modified, and rearranged for racers in pursuit of elevated performance, it offers enhanced torque and an enriched riding experience.

Dec 17, 2024 · Technology such as electric start, WP Xact air fork, Brembo brake and clutch hydraulics, and switchable engine maps put the 125 SX on par with the most advanced motocross bikes available today.

Mar 21, 2025 · With 17” wheels fitted with sport tyres, the Aprilia SX ranks as one of the most effective 125 cc road-riding models. It is agile, lightweight, and offers benchmark performance, powered by a 125 cc engine that now complies with the latest Euro 5+ standards, delivering best-in …

2024 KTM 125 SX Technical Information. Features and specifications of Ready to Race brand’s 125cc two-stroke MXer.

Designed for riders who crave that adrenaline rush, the SX 125 delivers first-in-class performance, aggressive design and Aprilia’s signature technology and sporty character. Get ready to conquer every corner, every single day.

The Aprilia SX 125 is the perfect fun bike for demanding young riders seeking the best performance in the category along with the look and technical solutions of a higher-displacement vehicle. A mix of agility, sportiness and technology distilled in a versatile motard with an aggressive design.

Fuel injection, optional mapping and electric starters have finally made it to the 125cc motocross class. The 2024 KTM 125SX features so many new items compared to the previous generation that it will make your head spin.