22 June. Monday 2026
Beta Alp 125 - 2012 Specifications and Reviews
The 2012 Beta Alp 125 is a lightweight enduro bike ideally suited for novice and intermediate off-road riders seeking an affordable entry into dirt biking. Powered by a simple air-cooled four-stroke single-cylinder engine, it excels in technical terrain and tight trails thanks to its nimble handling and manageable power delivery. Known for reliability and low maintenance, it remains popular for training and weekend adventure riding.
General information | |
| Category | Enduro / offroad |
| Year | 2012 |
| Model | Beta Alp 125 |
Engine and Transmission Specifications | |
| Clutch | Wet multi-disc |
| Transmission type,final drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Air |
| Lubrication system | Forced with pump |
| Fuel control | SOHC |
| Fuel system | Carburettor. Mikuni BST 31 42AD |
| Bore x stroke | 66.0 x 58.2 mm (2.6 x 2.3 inches) |
| Compression | 9.4:1 |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 124.00 ccm (7.57 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 245 mm (9.6 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 120/80-18 |
| Front tyre dimensions | 90/90-21 |
| Rear suspension travel | 180 mm (7.1 inches) |
| Rear suspension | Monoshock with adjustable spring preload |
| Front suspension travel | 170 mm (6.7 inches) |
| Front suspension | Hydraulic fork, ø38 mm |
Physical measures and capacities | |
| Reserve fuel capacity | 1.50 litres (0.40 gallons) |
| Fuel capacity | 6.80 litres (1.80 gallons) |
| Wheelbase | 1,370 mm (53.9 inches) |
| Ground clearance | 300 mm (11.8 inches) |
| Overall width | 820 mm (32.3 inches) |
| Overall length | 2,085 mm (82.1 inches) |
| Overall height | 1,170 mm (46.1 inches) |
| Seat height | 830 mm (32.7 inches) If adjustable, lowest setting. |
| Dry weight | 107.5 kg (237.0 pounds) |
Other specs | |
| Factory warranty | 12 Months Limited Warranty |
| Electrical | 12 volts 16 amp battery |
| Wheelbase | 1,351 mm (53.2 inches) |
| Power/weight ratio | 0.1019 HP/kg |
| Rear tyre | 25/10-12 |
| Front tyre | 25/8-12 |
| Rear Suspension | Independent Double Wishbone |
| Front Suspension | Independent Double Wishbone |
| Driveline | On-Demand 2WD/4WD; Locking Differential. Automatic L-H-N-R-P. |
| Ignition | ECU |
| Bore x Stroke | 102.0 x 84.0 mm (4.0 x 3.3 inches) |
| Compression | 9.2:1 |
| Power | 33.50 Horsepower">HP (24.5 Kilowatt">kW)) |
| Color options | White |
| Starter | Electric & kick |
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