Motocross Bikes
2020KTM 65 SX
32 fields on record
The 2020 KTM 65 SX is a mini motocross racer for young riders moving up from the smallest bikes. Its liquid-cooled 64.9cc two-stroke single drives a six-speed gearbox and chain. A 750 mm seat, 53 kg dry weight and a 3.5-litre tank make it light and competitive 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
Know it? Add it →
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
- 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
- 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
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 | 2020 | 2021 | 2027 |
|---|---|---|---|---|---|---|
| Capacity | 65 cc | 65 cc | 65 cc | 65 cc | 65 cc | 65 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 2020 KTM 65 SX has a Capacity of 64.9 ccm (3.96 cubic inches).
How many gears does the KTM 65 SX have?
The 2020 KTM 65 SX has a Gearbox of 6-speed.
How much does the KTM 65 SX weigh?
The 2020 KTM 65 SX has a Dry weight of 53.0 kg (116.8 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
Please log in or register if you'd like to leave a comment.
Own one? Add it to My Garage and write an owner review with an Owner badge.