The KTM 50 SX is a mini motocrosser for young children starting out in racing. It uses a liquid-cooled 50cc two-stroke single with an automatic clutch, so children can concentrate on throttle and brakes.
It has adjustable WP suspension and a light chassis. It is a closed-course competition machine. Rivals include the Yamaha PW50, Husqvarna TC 50 and GasGas MC 50.
| Year | Photo | Engine | Power | Weight | Seat | Fields |
|---|---|---|---|---|---|---|
| 2027 | ![]() |
49.9 cc | – | 44 kg | 653 mm | 16 |
| 2026 | ![]() |
49.9 cc | 5.4 hp | 44 kg | 653 mm | 39 |
| 2025 | ![]() |
49.9 cc | 5.4 hp | 44 kg | 653 mm | 41 |
| 2024 | ![]() |
49.9 cc | 5.4 hp | 44 kg | 653 mm | 41 |
| 2023 | ![]() |
49 cc | 5.4 hp | 42 kg | 665 mm | 41 |
| 2022 | ![]() |
49 cc | 5.4 hp | 42 kg | 665 mm | 41 |
| 2021 | ![]() |
49 cc | 5.4 hp | 42 kg | 684 mm | 39 |
| 2020 | ![]() |
49 cc | 5.4 hp | 42 kg | 684 mm | 41 |
| 2019 | ![]() |
49 cc | 5.4 hp | 42 kg | 684 mm | 41 |
| 2018 | ![]() |
49 cc | 5.4 hp | 42 kg | 684 mm | 41 |
| 2017 | ![]() |
49 cc | 5.4 hp | 42 kg | 684 mm | 41 |
| 2016 | ![]() |
49 cc | 5.4 hp | 42 kg | 684 mm | 41 |
| 2015 | ![]() |
49 cc | 5.4 hp | 40 kg | 684 mm | 41 |
| 2014 | ![]() |
49 cc | 5.4 hp | 40 kg | 684 mm | 40 |
| 2013 | ![]() |
49 cc | 5.4 hp | 42 kg | 684 mm | 40 |
| 2012 | ![]() |
49 cc | 5.4 hp | 42 kg | 684 mm | 40 |
| 2011 | ![]() |
49 cc | 5.4 hp | 40 kg | 684 mm | 40 |
| 2010 | ![]() |
49 cc | 5.4 hp | 40 kg | 684 mm | 40 |
| 2009 | ![]() |
49 cc | 5.4 hp | 40 kg | 684 mm | 40 |
| 2008 | ![]() |
49 cc | 5.4 hp | 39 kg | 660 mm | 39 |
| 2007 | ![]() |
49 cc | 5.4 hp | 39 kg | 650 mm | 39 |
| 2006 | ![]() |
49 cc | 5.4 hp | 39 kg | 650 mm | 39 |