Minibikes
2009Beta Minicross R 12
33 fields on record
The 2009 Beta Minicross R 12 is a small motocross bike for young children from the Italian maker Beta. Its air-cooled 49cc two-stroke single has an automatic transmission and chain drive. A 740 mm seat, 51 kg wet weight and 2-litre tank suit young riders.
- Capacity
- 49.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 46.0 kg
- Seat height
- 740 mm
- Power
- 5.4 HP (4.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists to teach throttle control, balance and off-road technique on a scaled-down motocross-style machine.
- Built for
- The automatic centrifugal clutch and simple two-stroke single give it a forgiving, playful, easy-to-ride nature suited to dirt lots and small tracks.
- Not ideal for
- It is not suitable for adult riders, road use, passengers, or anyone seeking real speed or long-distance capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 49.0 ccm
- Power
- 5.4 HP (4.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1174 HP/kg (dry)
- Bore x stroke
- 39.5 x 40.0 mm
- Compression
- 12.5:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- Electronic
- Lubrication system
- Mix with fuel 1,5% (with synthetic oil)
Transmission
- Transmission type
- Automatic
- Final drive
- Chain
- Clutch
- Wet automatic centrifugal type
Dimensions & weight
- Wheelbase
- 1100 mm
- Overall length
- 1580 mm
- Overall width
- 670 mm
- Overall height
- 990 mm
- Seat height
- 740 mm
- Dry weight
- 46.0 kg
- Wet weight
- 51.0 kg
- Fuel capacity
- 2.00 litres
- Ground clearance
- 280 mm
- Reserve fuel capacity
- 0.30 litres
Chassis & suspension
- Frame
- Steel tubing
- Front suspension
- Mechanical fork with 30 mm shaft
- Front wheel travel
- 30 mm
Brakes & wheels
- Front brakes
- Expanding brake (drum brake)
- Front brakes diameter
- 90 mm
- Rear brakes
- Expanding brake (drum brake)
- Rear brakes diameter
- 90 mm
- Front tyre
- 2.5-15
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 | 2007 | 2008 | 2009 | 2010 |
|---|---|---|---|---|
| Capacity | 49 cc | 49 cc | 49 cc | 49 cc |
| Dry weight | 46 kg | 46 kg | 46 kg | 46 kg |
| Seat height | 740 mm | 740 mm | 740 mm | 740 mm |
| Fuel capacity | 2 L | 2 L | 2 L | 2 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 Beta Minicross R 12?
The 2009 Beta Minicross R 12 has a Capacity of 49.0 ccm (2.99 cubic inches).
What engine power does the Beta Minicross R 12 have?
The 2009 Beta Minicross R 12 has a Power of 5.4 HP (4.0 kW).
How much does the Beta Minicross R 12 weigh?
The 2009 Beta Minicross R 12 has a Dry weight of 46.0 kg (101.4 pounds).
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