Motocross Bikes
2027KTM 65 SX
10 fields on record
The 2027 KTM 65 SX is a youth motocross bike displacing 124.8cc, weighing kg without fuel with a 730mm seat height built for young riders progressing through KTM's youth MX ladder. WP suspension provides 310mm front and 300mm rear travel. As with KTM's other closed-course competition models, official power/torque figures are not published.
- Capacity
- 124.8 ccm
- Engine
- Single, two-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- Not on record
Know it? Add it → - Seat height
- 730 mm
- Power
- Not on record
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What’s new for the 2027 KTM 65 SX
vs the 2026| Spec | 2026 | 2027 |
|---|---|---|
| Engine capacity | 64.9 ccm (3.96 cubic inches) | 124.8 ccm (7.62 cubic inches) |
| Dry weight | 54.3 kg (119.7 pounds) | not listed |
| Fuel capacity | 4.50 litres (1.19 US gallons) | not listed |
| Gearbox | 6-speed | not listed |
| Front suspension | XACT 35 WP Upside-Down fork, Ø 35 mm | not listed |
| Rear suspension | XACT WP mono shock | not listed |
| Front brakes | Single disc | not listed |
| Rear brakes | Single disc | not listed |
| Wheelbase | 1142 mm (45.0 inches) | not listed |
| Compression | 12.5:1 | not listed |
Other years
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Youth motocross racing and skills development
- Built for
- Entry-to-intermediate youth motocross machine
- Not ideal for
- Adult riders or road use
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 124.8 ccm
- Engine type
- Single, two-stroke
- Cooling system
- Liquid
Transmission
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Seat height
- 730 mm
Chassis & suspension
- Front wheel travel
- 310 mm
- Rear wheel travel
- 300 mm
Other
- Comments
- Youth motocross model. Closed-course competition model - KTM does not publish official hp/torque.
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2003 | 2009 | 2015 | 2021 | 2027 |
|---|---|---|---|---|---|
| Capacity | 65 cc | 65 cc | 65 cc | 65 cc | 125 cc |
| Dry weight | 56 kg | 56 kg | 56 kg | 53 kg | — |
| Seat height | 750 mm | 750 mm | 750 mm | 750 mm | 730 mm |
| Fuel capacity | 3.4 L | 3.3 L | 3.5 L | 3.5 L | — |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the KTM 65 SX?
The 2027 KTM 65 SX has a Capacity of 124.8 ccm (7.62 cubic inches).
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