The KTM 85 SX is KTM's youth motocrosser for young riders moving up from 65cc bikes. It uses a liquid-cooled 85cc two-stroke single with a six-speed gearbox and WP suspension.
It is offered in two wheel sizes, 17/14 and 19/16, to suit riders of different heights. It is a closed-course competition machine and a regular youth championship winner. Rivals include the Yamaha YZ85 and Kawasaki KX85.
| Year | Photo | Engine | Power | Weight | Seat | Fields |
|---|---|---|---|---|---|---|
| 2019 | ![]() |
84.9 cc | – | 68 kg | 890 mm | 35 |
| 2018 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2017 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2016 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2015 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2014 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2013 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2012 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2011 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2010 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2009 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2008 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2007 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2006 | ![]() |
84.9 cc | – | 68 kg | 750 mm | 35 |
| 2005 | ![]() |
84.9 cc | – | 68 kg | 900 mm | 36 |
| 2004 | ![]() |
84.9 cc | – | 68 kg | 900 mm | 36 |
| 2003 | ![]() |
84.9 cc | – | 72 kg | 900 mm | 35 |