22 June. Monday 2026
Beta Alp 4.0 - 2006 Specifications and Reviews
The 2006 Beta Alp 4.0 is a lightweight 349cc trial motorcycle designed for both beginners and experienced riders tackling technical terrain. Its compact frame and air-cooled four-stroke engine deliver agile handling and reliability across challenging off-road conditions. The bike is renowned for its approachable nature and proven durability in trial competition.
General information | |
| Category | Trial |
| Year | 2006 |
| Model | Beta Alp 4.0 |
| | |
Engine and Transmission Specifications | |
| Gearbox | 6-speed |
| Cooling system | Air |
| Lubrication system | Fuel mix 1.5% |
| Valves per cylinder | 4 |
| Fuel system | Carburettor. Mikuni BST 33 |
| Bore x stroke | 79.0 x 71.2 mm (3.1 x 2.8 inches) |
| Compression | 9.5:1 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 349.00 ccm (21.30 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,410 mm (55.5 inches) |
| Ground clearance | 300 mm (11.8 inches) |
| Overall length | 2,185 mm (86.0 inches) |
| Dry weight | 133.0 kg (293.2 pounds) |
| | |
Beta Alp 4.0 dimensions and frame | |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc |
| Rear suspension travel | 220 mm (8.7 inches) |
| Rear suspension | Monoshock |
| Front suspension travel | 220 mm (8.7 inches) |
| Front suspension | Hydraulic fork |
| Frame type | Steel |
Speed and acceleration | |
| Reserve fuel capacity | 3.00 litres (0.79 gallons) |
| Fuel capacity | 10.50 litres (2.77 gallons) |
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