Beta Alp 4 (2009-12)

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

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