Description
This 2025 KTM 125 SX has 5 km on the odometer. It is listed for R129 500 by Fast KTM in Alberton, Gauteng.
The 2025 KTM 125 SX is powered by a 124.8 cc liquid-cooled single-cylinder 2-stroke engine with Keihin electronic fuel injection and 39 mm throttle body, electric start, 6-speed transmission, wet multi-disc DS clutch with Brembo hydraulics, and 520 chain final drive delivering high-revving motocross performance and strong power delivery. The chassis features a central double-cradle 25CrMo4 steel frame with aluminum-reinforced polyamide subframe designed for lightweight handling and durability. Suspension includes WP XACT 48 mm AER upside-down front forks providing Approx. 310 mm travel and a WP XACT rear monoshock with linkage delivering Approx. 300 mm travel for precise track control. Braking is handled by a 260 mm front disc brake and 220 mm rear disc brake for reliable stopping performance. The motorcycle rides on 21-inch front and 19-inch rear spoked wheels with motocross tires. Additional specifications include seat height 958 mm, wheelbase Approx. 1493 mm, ground clearance Approx. 359 mm, dry weight Approx. 92.4 kg, bore 54 mm, stroke 54.5 mm, and fuel tank capacity Approx. 7.2 L.