The Beta Alp 4 (2009-12) is a four-stroke, single-cylinder, SOHC, 4-valve motorcycle with a capacity of 349cc. Its maximum power is 19.2kW/25.8hp @ 6600 rpm, and maximum torque is 28.4Nm/2.9kgf-m/20.9 lb-ft @ 6050 rpm. It has a 6-speed transmission and a chain final drive. The frame is made of steel with a double cradle, and it has front suspension with 28mm hydraulic forks, and rear suspension with a single shock adjustable spring preload with 220mm wheel travel. The front brakes have a single 310mm disc, and the rear brakes have a single 220mm disc. The front tyre size is 120/70 -17, and the rear tyre size is 150/60 -17. The bike has a length of 2159mm / 85.0in, width of 860mm / 33.9in, and height of 1220mm / 48.0in, with a wheelbase of 1410mm / 55.5in, and ground clearance of 305mm / 12.0in, and seat height of 870mm / 34.3in. It has a dry weight of 133kg / 293lbs and fuel capacity of 10.5 litres / 2.8 US gal, with fuel consumption average of 3.5 L/100 km / 28.7 km/l / 67.5 US mpg. The standing quarter-mile is 16.1 sec / 123.5 km/h / 76.7 mph, and the top speed is 133.2 km/h / 82.8 mph.
Technical specifications:
Make Model: Beta M4 Motard
| Year | 2009 – 12 |
|---|---|
| Engine | Four stroke, single cylinder, SOHC, 4 valves |
| Capacity | 349 cc / 21.3 cu in |
| Bore x Stroke | 79 x 71.2 mm |
| Compression Ratio | 9.5:1 |
| Cooling System | Air |
| Induction | Mikuni BEST 33 |
| Ignition | Electronic |
| Starting | Electric |
| Max Power | 19.2 kW / 25.8 hp @ 6600 rpm |
| Max Torque | 28.4 Nm / 2.9 kgf-m / 20.9 lb-ft @ 6050 rpm |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Frame | Steel, double cradle |
| Front Suspension | 28 mm hydraulic forks |
| Front Wheel Travel | 200 / 7.9 in |
| Rear Suspension | Single shock adjustable spring preload, 220mm wheel travel |
| Rear Wheel Travel | 220 mm / 8.7 in |
| Front Brakes | Single 310 mm disc |
| Rear Brakes | Single 220 mm disc |
| Front Tyre | 120/70 -17 |
| Rear Tyre | 150/60 -17 |
| Dimensions | Length: 2159 mm / 85.0 in Width: 860 mm / 33.9 in Height: 1220 mm / 48.0 in |
| Wheelbase | 1410 mm / 55.5 in |
| Ground Clearance | 305 mm / 12.0 in |
| Seat Height | 870 mm / 34.3 in |
| Dry Weight | 133 kg / 293 lbs |
| Fuel Capacity | 10.5 Litres / 2.8 US gal |
| Consumption Average | 3.5 L/100 km / 28.7 km/l / 67.5 US mpg |
| Standing 1/4 Mile | 16.1 sec / 123.5 km/h / 76.7 mph |
| Top Speed | 133.2 km/h / 82.8 mph |
