Motocross Bikes
2018KTM 65 SX
33 fields on record
The 2018 KTM 65 SX is a lightweight motocross bike designed for young and beginner riders transitioning to competitive off-road racing. Known for its agile handling and responsive WP suspension components, this machine delivers the performance and reliability expected from KTM's SX line. The compact 750 mm seat height and manageable power delivery make it ideal for developing fundamental riding skills on the track.
- Capacity
- 64.9 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 53.0 kg
- Seat height
- 750 mm
- Power
- Not on record
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Other years
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
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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
- Built exclusively for motocross and off-road track racing to teach real race craft on a scaled-down, competition-grade two-stroke.
- Built for
- A snappy, high-revving two-stroke with a six-speed gearbox that rewards clutch and throttle skill, encouraging aggressive, race-focused riding.
- Not ideal for
- This is not suitable for adult riders, commuting, touring, passengers, or anyone seeking road-legal or long-distance capability.
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
- 64.9 ccm
- Engine type
- Single, two-stroke
- Bore x stroke
- 45.0 x 40.8 mm
- Compression
- 12.5:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- AET digital EMS
- Valves per cylinder
- 1
- Lubrication system
- Mixture oil lubrication
- Power
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multi-disc clutch, Formula hydraulics
Dimensions & weight
- Wheelbase
- 1137 mm
- Seat height
- 750 mm
- Dry weight
- 53.0 kg
- Fuel capacity
- 3.50 litres
- Ground clearance
- 280 mm
Chassis & suspension
- Frame
- Central-tube frame with double-cradle
- Front suspension
- WP upside-down Ø 35 mm
- Rear suspension
- WP shock absorber
- Front wheel travel
- 215 mm
- Rear wheel travel
- 270 mm
- Rake (fork angle)
- 25.5°
Brakes & wheels
- Front brakes
- Single disc. Four-piston calipers. Wave brake discs.
- Front brakes diameter
- 198 mm
- Rear brakes
- Single disc. Two-piston calipers. Wave brake discs.
- Rear brakes diameter
- 160 mm
- Front tyre
- 60/100-14
- Rear tyre
- 80/100-12
Other
- Color options
- Orange/white/black
Specs last verified against published sources: .
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 | 2018 | 2021 | 2027 |
|---|---|---|---|---|---|---|
| Capacity | 65 cc | 65 cc | 65 cc | 65 cc | 65 cc | 125 cc |
| Dry weight | 56 kg | 56 kg | 56 kg | 53 kg | 53 kg | — |
| Seat height | 750 mm | 750 mm | 750 mm | 750 mm | 750 mm | 730 mm |
| Fuel capacity | 3.4 L | 3.3 L | 3.5 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 2018 KTM 65 SX has a Capacity of 64.9 ccm (3.96 cubic inches).
How many gears does the KTM 65 SX have?
The 2018 KTM 65 SX has a Gearbox of 6-speed.
How much does the KTM 65 SX weigh?
The 2018 KTM 65 SX has a Dry weight of 53.0 kg (116.8 pounds).
Shop this bike
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The 2018 KTM 65 SX motorcycle is a top-notch off-road bike that is perfect for young riders looking to take their skills to the next level. With its powerful 2-stroke engine and lightweight chassis, this bike offers impressive performance and handling. The adjustable WP AER 35 front fork and rear shock allow for customizable suspension settings, ensuring a smooth and controlled ride over any type of terrain. Its compact size and easy-to-use controls make it ideal for young riders to develop their skills and build confidence on the trails.
Overall, the 2018 KTM 65 SX motorcycle is a fantastic choice for young riders looking for a competitive and reliable off-road bike. With its impressive performance and customizable features, this bike is sure to provide hours of fun and excitement for any young rider looking to take on the trails. Whether you're a beginner looking to start in the world of off-road riding or a seasoned pro looking for a high-quality bike, the 2018 KTM 65 SX is definitely worth considering.
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