Motocross Bikes
2005KTM 85 SX 19-16
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The 2005 KTM 85 SX (19/16) is a competition-focused minibike engineered for junior motocross riders transitioning to larger machines. Its liquid-cooled two-stroke engine and professional-grade WP suspension deliver aggressive performance and precise handling on demanding terrain. Renowned for its lightweight construction and race-ready geometry, it remains a benchmark for youth off-road competition.
- 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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2022
2023
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2025
2026
2027
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for motocross competition and training, it exists to help junior racers develop race craft on scaled-down but genuinely capable machinery.
- Built for
- It offers sharp, eager two-stroke power delivery and quick-turning agility typical of small-bore motocross bikes, rewarding an aggressive, active riding style.
- Not ideal for
- It is not suitable for road riding, touring, commuting, or carrying a passenger, and is not sized for taller or heavier adult riders.
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
- Mixture oil lubrication
- 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
- 185 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
- 70/100-19
- Rear tyre
- 90/100-16
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 | 2017 | 2022 | 2027 |
|---|---|---|---|---|---|
| Capacity | 85 cc | 85 cc | 85 cc | 85 cc | 85 cc |
| Dry weight | 68 kg | 68 kg | 69 kg | 68 kg | 69 kg |
| Seat height | 900 mm | 875 mm | 890 mm | 890 mm | 871 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 19-16?
The 2005 KTM 85 SX 19-16 has a Capacity of 84.9 ccm (5.18 cubic inches).
How many gears does the KTM 85 SX 19-16 have?
The 2005 KTM 85 SX 19-16 has a Gearbox of 6-speed.
How much does the KTM 85 SX 19-16 weigh?
The 2005 KTM 85 SX 19-16 has a Dry weight of 68.0 kg (149.9 pounds).
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