14 August. Friday 2026
Beta Alp 125 - 2006 Specifications and Reviews
The 2006 Beta Alp 125 is a lightweight trial motorcycle designed for beginners and intermediate riders seeking technical off-road capability. Its compact 124cc four-stroke engine and nimble handling make it ideal for navigating challenging terrain and mastering trial riding skills. Known for its reliability and manageable power delivery, the Alp 125 remains a popular choice for riders developing their trial riding technique.
General information | |
| Category | Trial |
| Year | 2006 |
| Model | Beta Alp 125 |
Engine and Transmission Specifications | |
| Clutch | Multiplate in oil bath. |
| Transmission typefinal drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Air |
| Starter | Electric & kick |
| Fuel control | OHC |
| Valves per cylinder | 4 |
| Fuel system | Carburettor. Mikuni UCAL |
| Bore x stroke | 54.0 x 54.0 mm (2.1 x 2.1 inches) |
| Compression | 10.0:1 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 124.00 ccm (7.57 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,350 mm (53.1 inches) |
| Ground clearance | 298 mm (11.7 inches) |
| Overall length | 2,150 mm (84.6 inches) |
| Seat height | 850 mm (33.5 inches) If adjustable, lowest setting. |
| Dry weight | 101.0 kg (222.7 pounds) |
Beta Alp 125 dimensions and frame | |
| Rear brakes diameter | 200 mm (7.9 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 220 mm (8.7 inches) |
| Front brakes | Single disc |
| Rear suspension travel | 180 mm (7.1 inches) |
| Rear suspension | Monoshock |
| Front suspension travel | 170 mm (6.7 inches) |
| Front suspension | Hydraulic fork |
| Frame type | Steel |
Speed and acceleration | |
| Reserve fuel capacity | 1.50 litres (0.40 gallons) |
| Fuel capacity | 6.80 litres (1.80 gallons) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Track5%
City25%
Cornering40%
Daily Riding15%
Touring10%
Passenger5%
Rider Profile
| Best For | Best suited to riders with some off-road or trials background, as the bike's light weight and tall stance reward balance and technical skill more than raw experience. |
| Purpose | Built specifically for technical trials riding and obstacle navigation rather than speed, distance, or road use. |
| Rider Fit | Its featherweight 101 kg dry mass and slim profile make it very easy to muscle around and hold up, though the tall 850 mm seat height demands decent leg reach. |
| Character | A pure, minimalist trials tool that thrives on razor-sharp low-speed agility, tractable low-end power delivery, and total rider control over the bike's balance. |
| Not Ideal For | Not for riders wanting highway speed, passenger carrying, long-distance comfort, or any kind of touring capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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