Trials Bikes
2005Beta Minitrial
23 fields on record
The 2005 Beta Minitrial is a scaled-down trials bike made for children learning off-road balance. Its liquid-cooled 49cc two-stroke single drives a single-speed transmission and chain. A low 570 mm seat lets young riders practise trials skills safely on a real Beta machine.
- Capacity
- 49.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 1-speed
- Dry weight
- Not on record
Know it? Add it → - 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
- Bore x stroke
- 40.0 x 39.7 mm
- Compression
- 13.3:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
Transmission
- Gearbox
- 1-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Automatic centrifugal wet clutch
Dimensions & weight
- Overall length
- 1550 mm
- Overall width
- 650 mm
- Seat height
- 570 mm
- Reserve fuel capacity
- 2.50 litres
Chassis & suspension
- Frame
- Iron double closed cradle
- Front suspension
- Tube, 30 mm
- Rear suspension
- Single shock absorber
- Front wheel travel
- 120 mm
- Rear wheel travel
- 110 mm
Brakes & wheels
- Front brakes
- Expanding brake (drum brake)
- Rear brakes
- Expanding brake (drum brake)
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 | 2005 | 2006 | 2007 | 2009 | 2010 |
|---|---|---|---|---|---|---|
| Capacity | 49 cc | 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 | 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 2005 Beta Minitrial has a Capacity of 49.0 ccm (2.99 cubic inches).
What engine power does the Beta Minitrial have?
The 2005 Beta Minitrial has a Power of 5.4 HP (4.0 kW).
How many gears does the Beta Minitrial have?
The 2005 Beta Minitrial has a Gearbox of 1-speed.
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