The 2023 KTM 300 SX is a cross/motocross motorcycle that is set to revolutionize the MX Open category. With a single cylinder, two-stroke engine that has a displacement of 293.2 ccm, this bike is capable of producing more than enough power while weighing only 52.6 lb. The KTM 300 SX has a smooth, linear power delivery that is amplified by its low maintenance costs. This motorcycle has a central double-cradle-type 25CrMo4 steel frame with a 26.5° rake angle. It also features WP XACT-USD, Ø 48 mm front suspension and a WP XACT Monoshock with linkage rear suspension. The KTM 300 SX has a single disc Brembo 2-piston floating caliper front brake and a single disc Brembo single-piston floating caliper rear brake. The 2023 KTM 300 SX has a fuel consumption of 2.79 litres/100 km (35.8 km/l or 84.31 mpg) and emits 64.7 CO2 g/km. It has a 7.20 litre (1.90 US gallons) fuel tank and an electric starter with a 2 Ah lithium-ion battery. This motorcycle is available for US$ 9199, but the MSRP depends on country, taxes, accessories, etc. The KTM 300 SX comes in an orange/white/grey color scheme. Overall, the 2023 KTM 300 SX is a powerful and lightweight motorcycle that sets the benchmark for power to weight ratios. It has a smooth power delivery and low maintenance costs, making it an ideal choice for those who want maximum power at the least possible weight. Could this bike be the new Open Class president?
This page is a quick, practical overview of KTM 300 SX.
- What it is (in plain terms) and who it suits
- Key things to check before buying or comparing
- Links to deeper guides and related models
Last updated: 2026-02-09.