Motocross Bikes
2024TM Racing MX 85 Junior 2T
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The 2024 TM Racing MX 85 Junior 2T is a lightweight two-stroke motocross machine designed for junior riders progressing through competitive racing classes. Powered by a 84.9cc liquid-cooled single-cylinder engine with electronic CDI ignition and paired with a six-speed gearbox, it delivers responsive performance suited to young racers developing their skills. Known for its agile handling and punchy power delivery, this bike excels in youth motocross championships and amateur racing series.
- Capacity
- 84.9 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 72.0 kg
- Seat height
- 810 mm
- Power
- Not on record
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How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for off-road and motocross-style riding on tracks and closed terrain rather than public roads.
- Built for
- A motocross bike from TM racing with an 85cc engine; its character is easy-going and economical.
- Not ideal for
- Not road-legal in most markets and not for commuting or touring.
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
- 48.0 x 47.0 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- Kokusan CDI Electronic with variable advance
- Lubrication system
- 3.5% oil mixture
- Power
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multiple-disk in oil bath with hydraulic control
Dimensions & weight
- Seat height
- 810 mm
- Dry weight
- 72.0 kg
- Fuel capacity
- 6.00 litres
- Ground clearance
- 270 mm
Chassis & suspension
- Frame
- Self-tempering aluminium deltabox type single beam with extruded, forged and microcast parts
- Front suspension
- Mupo Ø 38 mm
- Rear suspension
- Extreme Shox
- Front wheel travel
- 270 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 240 mm
- Rear brakes
- Single disc
- Front tyre
- 70/100-17
- Rear tyre
- 90/100-14
Other
- Color options
- Blue/White
- Comments
- Italian brand.
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 | 2020 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|
| Capacity | 80 cc | 85 cc | 85 cc | 85 cc | 85 cc |
| Dry weight | — | 72 kg | 72 kg | 69 kg | 69 kg |
| Seat height | 850 mm | 810 mm | 810 mm | 810 mm | 810 mm |
| Fuel capacity | 6 L | 6 L | 6 L | 6 L | 6 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 TM Racing MX 85 Junior 2T?
The 2024 TM Racing MX 85 Junior 2T has a Capacity of 84.9 ccm (5.18 cubic inches).
How many gears does the TM Racing MX 85 Junior 2T have?
The 2024 TM Racing MX 85 Junior 2T has a Gearbox of 6-speed.
How much does the TM Racing MX 85 Junior 2T weigh?
The 2024 TM Racing MX 85 Junior 2T has a Dry weight of 72.0 kg (158.7 pounds).
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