2009Beta Minitrial
32 fields on record
The 2009 Beta Minitrial is a small trials bike for young children from the Italian maker Beta. Its air-cooled 49cc two-stroke single drives through an automatic transmission and chain. A very low 570 mm seat, 42.5 kg dry weight and 2-litre tank suit young beginners.
- Capacity
- 49.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 42.5 kg
- Seat height
- 570 mm
- Power
- 5.4 HP (4.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists purely for teaching trial riding skills at very low speeds over obstacles, not for speed, commuting, or long-distance riding.
- Built for
- Light, playful, and forgiving, with an automatic centrifugal clutch that lets young riders focus entirely on balance and throttle control.
- Not ideal for
- It is not suitable for adults, road use, highway travel, or anyone seeking speed, comfort, or passenger 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
- 0.1271 HP/kg (dry)
- Bore x stroke
- 39.5 x 40.0 mm
- Compression
- 13.9:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Ignition
- Electronic Selettra
- Lubrication system
- Mix with fuel 1,5% (with synthetic oil)
Transmission
- Transmission type
- Automatic
- Final drive
- Chain
- Clutch
- Automatic centrifugal wet clutch
Dimensions & weight
- Wheelbase
- 1020 mm
- Overall length
- 1530 mm
- Overall width
- 650 mm
- Overall height
- 940 mm
- Seat height
- 570 mm
- Dry weight
- 42.5 kg
- Fuel capacity
- 2.00 litres
- Ground clearance
- 255 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). Mechanical drive drum
- Front brakes diameter
- 66 mm
- Rear brakes
- Expanding brake (drum brake). Mechanical drive drum
- Rear brakes diameter
- 90 mm
- Front tyre
- 2.5-16
- Rear tyre
- 2.5-14
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 | 2004 | 2006 | 2007 | 2009 | 2010 |
|---|---|---|---|---|---|
| Capacity | 49 cc | 50 cc | 49 cc | 49 cc | 49 cc |
| Dry weight | — | 42 kg | 43 kg | 43 kg | 43 kg |
| Seat height | 570 mm | 570 mm | 570 mm | 570 mm | 570 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 Minitrial?
The 2009 Beta Minitrial has a Capacity of 49.0 ccm (2.99 cubic inches).
What engine power does the Beta Minitrial have?
The 2009 Beta Minitrial has a Power of 5.4 HP (4.0 kW).
How much does the Beta Minitrial weigh?
The 2009 Beta Minitrial has a Dry weight of 42.5 kg (93.7 pounds).
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