KTM 125 SX
KTM · 21 model years · 2003–2023
2023 KTM 125 SX
The 2023 KTM 125 SX is a lightweight two-stroke offroad machine designed for young riders and beginners stepping up to competitive motocross. Its nimble 124.8cc engine delivers res…
2022 KTM 125 SX
The 2022 KTM 125 SX is a lightweight two-stroke enduro bike designed for young riders and beginners entering competitive off-road racing. Its 124.8cc single-cylinder engine deliver…
2021 KTM 125 SX
The 2021 KTM 125 SX is a lightweight two-stroke enduro bike designed for young riders and beginners entering competitive off-road racing. Powered by a 124.8cc single-cylinder engin…
2020 KTM 125 SX
The 2020 KTM 125 SX is a lightweight motocross bike engineered for young and amateur riders seeking an accessible entry into competitive racing. Known for its responsive WP suspens…
2019 KTM 125 SX
The 2019 KTM 125 SX is a lightweight two-stroke motocross bike engineered for young and junior riders seeking competitive performance. Known for its aggressive styling, nimble hand…
2018 KTM 125 SX
The 2018 KTM 125 SX is a lightweight, entry-level motocross bike designed for young riders and beginners entering competitive racing. It combines nimble handling, excellent suspens…
2017 KTM 125 SX
The 2017 KTM 125 SX is a lightweight, entry-level motocross bike ideal for junior riders and beginners stepping into competitive racing. Known for its nimble handling and responsiv…
2016 KTM 125 SX
The 2016 KTM 125 SX is a lightweight two-stroke motocross bike designed for young riders and beginners entering competitive off-road racing. Known for its responsive handling and a…
2015 KTM 125 SX
The 2015 KTM 125 SX is a lightweight two-stroke motocross bike designed for junior and amateur riders seeking an affordable entry into competitive off-road racing. Known for its ni…
2014 KTM 125 SX
The 2014 KTM 125 SX is a lightweight motocross bike designed for young and amateur riders seeking competitive performance. Powered by a nimble 125cc two-stroke engine with liquid c…
2013 KTM 125 SX
The 2013 KTM 125 SX is a lightweight two-stroke motocross bike engineered for young and intermediate riders developing their skills on the track. Its compact 125cc engine delivers …
2012 KTM 125 SX
The 2012 KTM 125 SX is a lightweight two-stroke enduro bike designed for young riders and beginners seeking an affordable entry into off-road racing. Known for its nimble handling …
2011 KTM 125 SX
The 2011 KTM 125 SX is a lightweight two-stroke enduro bike designed for young riders and beginners entering competitive offroad racing. Its 125cc liquid-cooled single-cylinder eng…
2010 KTM 125 SX
The 2010 KTM 125 SX is a lightweight two-stroke enduro bike designed for young riders and beginners seeking an agile, nimble off-road machine. Its compact 125cc engine and responsi…
2009 KTM 125 SX
The 2009 KTM 125 SX is a lightweight enduro bike designed for younger riders and beginners seeking an accessible entry into off-road racing. Powered by a nimble 125cc liquid-cooled…
2008 KTM 125 SX
The 2008 KTM 125 SX is a lightweight two-stroke enduro bike designed for young riders and beginners entering competitive off-road racing. Its compact 125cc single-cylinder engine a…
2007 KTM 125 SX
The 2007 KTM 125 SX is a lightweight two-stroke motocross bike designed for young riders and beginners entering competitive racing. Its compact 125cc single-cylinder engine deliver…
2006 KTM 125 SX
The 2006 KTM 125 SX is a lightweight motocross bike engineered for junior riders and beginners seeking competitive performance on the track. Its 124cc liquid-cooled two-stroke engi…
2005 KTM 125 SX
The 2005 KTM 125 SX is a lightweight motocross machine designed for young riders and beginners entering competitive off-road racing. Powered by a liquid-cooled 125cc two-stroke sin…
2004 KTM 125 SX
The 2004 KTM 125 SX is a lightweight motocross bike designed for junior riders and beginners entering competitive racing. Its compact frame, low seat height, and responsive 124cc t…
2003 KTM 125 SX
The 2003 KTM 125 SX is a lightweight motocross machine designed for amateur and intermediate riders seeking aggressive off-road performance. Known for its responsive 125cc two-stro…
| Spec | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capacity | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc | 124.8 cc |
| Power | 15 hp | 15 hp | 15 hp | 15 hp | — | — | — | — | — | 4.69 hp | 11 hp | — | 5 hp | — | — | — | — | — | — | — | — |
| Torque | — | — | — | — | — | — | — | — | — | — | 9.20 Nm (0.9 kgf-m or 6.8 ft.lbs) @ 7000 Revolutions">RPM | — | — | — | — | — | — | — | — | — | — |
| Top speed | — | — | — | — | — | — | — | — | — | 45.1 km/h | — | — | — | — | — | — | — | — | — | — | — |
| Dry weight | 92.4 kg (203.7 pounds) | 87.5 kg (192.9 pounds) | 87.5 kg (192.9 pounds) | 137.0 kg (302.0 pounds) | 87.5 kg (192.9 pounds) | 87.2 kg (192.2 pounds) | 87.2 kg (192.2 pounds) | 87.8 kg (193.6 pounds) | 90.8 kg (200.2 pounds) | 90.8 kg (200.2 pounds) | 90.8 kg (200.2 pounds) | 91.6 kg (201.9 pounds) | 88.8 kg (195.8 pounds) | 90.8 kg (200.2 pounds) | 90.8 kg (200.2 pounds) | 90.8 kg (200.2 pounds) | 92.4 kg (203.7 pounds) | 92.4 kg (203.7 pounds) | 92.4 kg (203.7 pounds) | 93.6 kg (206.4 pounds) | 93.6 kg (206.4 pounds) |
| Seat height | 958 mm (37.7 inches) If adjustable, lowest setting. | 950 mm (37.4 inches) If adjustable, lowest setting. | 850 mm (33.5 inches) If adjustable, lowest setting. | — | 950 mm (37.4 inches) If adjustable, lowest setting. | 960 mm (37.8 inches) If adjustable, lowest setting. | 960 mm (37.8 inches) If adjustable, lowest setting. | 960 mm (37.8 inches) If adjustable, lowest setting. | 992 mm (39.1 inches) If adjustable, lowest setting. | 992 mm (39.1 inches) If adjustable, lowest setting. | 992 mm (39.1 inches) If adjustable, lowest setting. | 992 mm (39.1 inches) If adjustable, lowest setting. | 992 mm (39.1 inches) If adjustable, lowest setting. | 985 mm (38.8 inches) If adjustable, lowest setting. | 985 mm (38.8 inches) If adjustable, lowest setting. | 960 mm (37.8 inches) If adjustable, lowest setting. | 925 mm (36.4 inches) If adjustable, lowest setting. | 925 mm (36.4 inches) If adjustable, lowest setting. | 925 mm (36.4 inches) If adjustable, lowest setting. | 925 mm (36.4 inches) If adjustable, lowest setting. | 925 mm (36.4 inches) If adjustable, lowest setting. |
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