Motocross Bikes
2005KTM 85 SX 17-14
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The 2005 KTM 85 SX is a lightweight two-stroke minibike designed for young riders transitioning to competitive motocross. Known for its sharp handling and responsive power delivery, this machine excels in youth racing classes with its liquid-cooled 84cc engine and premium WP suspension. Its compact dimensions and 17/14 wheel setup provide the perfect platform for developing fundamental riding skills.
- Capacity
- 84.9 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 68.0 kg
- Seat height
- 900 mm
- Power
- Not on record
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2026
2027
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built exclusively for motocross racing and off-road training on dirt tracks, it excels at jumps, berms, and technical terrain rather than any road use.
- Built for
- A sharp, high-revving two-stroke with race-tuned WP suspension, it rewards aggressive, precise riding with immediate, lively feedback.
- Not ideal for
- It is not suitable for adult riders, road commuting, touring, or carrying a passenger under any circumstances.
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
- 84.9 ccm
- Engine type
- Single, two-stroke
- Bore x stroke
- 47.0 x 49.0 mm
- Compression
- 12.5:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- Moric digital 2M1
- Lubrication system
- 0,5 l Motorex Topspeed 4T
- 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
- 1278 mm
- Seat height
- 900 mm
- Dry weight
- 68.0 kg
- Fuel capacity
- 5.00 litres
- Ground clearance
- 415 mm
Chassis & suspension
- Frame
- Chromium molybdenum
- Front suspension
- WP USD
- Rear suspension
- WP PDS monoshock
- Rear wheel travel
- 289 mm
- Rake (fork angle)
- 24.0°
- Trail
- 81 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 216 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 216 mm
- Front tyre
- 70/100-17
- Rear tyre
- 90/100-14
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 | 2005 | 2011 | 2016 | 2022 | 2027 |
|---|---|---|---|---|---|
| Capacity | 85 cc | 85 cc | 85 cc | 85 cc | 85 cc |
| Dry weight | 68 kg | 66 kg | 68 kg | 67 kg | 68 kg |
| Seat height | 900 mm | 845 mm | 855 mm | 865 mm | 845 mm |
| Fuel capacity | 5 L | 5 L | 5 L | 5.2 L | 5.4 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 85 SX 17-14?
The 2005 KTM 85 SX 17-14 has a Capacity of 84.9 ccm (5.18 cubic inches).
How many gears does the KTM 85 SX 17-14 have?
The 2005 KTM 85 SX 17-14 has a Gearbox of 6-speed.
How much does the KTM 85 SX 17-14 weigh?
The 2005 KTM 85 SX 17-14 has a Dry weight of 68.0 kg (149.9 pounds).
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