Motocross Bikes
2004KTM 65 SX
33 fields on record
The 2004 KTM 65 SX is an entry-level minibike designed for young riders aged 7-12 years old seeking their first competitive dirt bike experience. Known for its lightweight 55.6 kg chassis, reliable liquid-cooled 2-stroke engine, and accessible seat height of 750 mm, it delivers responsive handling and manageable power delivery for developing junior motocross talents.
- Capacity
- 64.9 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 55.6 kg
- Seat height
- 750 mm
- Power
- Not on record
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What’s new for the 2004 KTM 65 SX
vs the 2003| Spec | 2003 | 2004 |
|---|---|---|
| Fuel capacity | 3.40 litres (0.90 US gallons) | 3.30 litres (0.87 US gallons) |
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
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
- Moric digital 2M1
- Valves per cylinder
- 1
- Lubrication system
- 0,3 l Motorex Topspeed 15W50
- Power
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet multi-disc clutch, operated hydraulically
Dimensions & weight
- Wheelbase
- 1137 mm
- Seat height
- 750 mm
- Dry weight
- 55.6 kg
- Fuel capacity
- 3.30 litres
- Ground clearance
- 290 mm
Chassis & suspension
- Frame
- Chromium molybdenum central-type frame
- Front suspension
- USD Marzocchi 35 mm
- Rear suspension
- WP monoshock
- Rear wheel travel
- 270 mm
- Rake (fork angle)
- 25.5°
- Trail
- 69 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 216 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 216 mm
- Front tyre
- 60/100-14
- Rear tyre
- 80/100-12
Other
- Color options
- Orange
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 | 2004 | 2009 | 2015 | 2020 | 2026 |
|---|---|---|---|---|---|---|
| Capacity | 65 cc | 65 cc | 65 cc | 65 cc | 65 cc | 65 cc |
| Dry weight | 56 kg | 56 kg | 56 kg | 56 kg | 53 kg | 54 kg |
| Seat height | 750 mm | 750 mm | 750 mm | 750 mm | 750 mm | 730 mm |
| Fuel capacity | 3.4 L | 3.3 L | 3.3 L | 3.5 L | 3.5 L | 4.5 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 2004 KTM 65 SX has a Capacity of 64.9 ccm (3.96 cubic inches).
How many gears does the KTM 65 SX have?
The 2004 KTM 65 SX has a Gearbox of 6-speed.
How much does the KTM 65 SX weigh?
The 2004 KTM 65 SX has a Dry weight of 55.6 kg (122.6 pounds).
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