Beta Alp4 (2003-04)

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The Beta Alp 4.0 is a four-stroke, single-cylinder motorcycle produced from 2003 to 2004. It has a 349cc capacity engine with a compression ratio of 9.5:1 and is air cooled. The bike has a Mikuni BST 33 induction and electronic ignition. Its maximum power is 20 kW / 27 hp and a maximum torque of 28 Nm / 2.9 kgf-m. It has a wet, multi disc clutch, 6-speed transmission, and a chain final drive. The frame is made of tubular steel, double closed cradle, and has a hydraulic fork, 48mm front suspension, and a single shock adjustable rear suspension. The bike has single front and rear brakes, with alloy, laced spoke wheels. The Alpha 4.0 has 90/90 -21 front and 140/80 -18 rear tyres, with a length of 2185mm / 86.0in, width of 860mm / 33.9in, and height of 1230mm / 48.4in. Its wheelbase is 1410mm / 55.5in, with a ground clearance of 300mm / 1.8in, and a seat height of 865mm / 34in. Its dry weight is 133kg / 293lbs, with a 10.5L / 2.8US gal fuel capacity and a fuel consumption rate of 5.6 L/100 km / 17.7 km/l / 41.6 US mpg. It has a standing 1/4 mile of 16.1 sec and a top speed of 131.1 km/h / 81.5 mph. This motorcycle has been reviewed by Motorcycle News.

Technical specifications:

Make Model: Beta Alp 4.0

Year: 2003 – 04


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 cooled
Induction: Mikuni BST 33
Ignition: Electronic
Starting: Electric
Max Power: 20 kW / 27 hp
Max Torque: 28 Nm / 2.9 kgf-m 21 lb-ft
Clutch: Wet, multi disc
Transmission: 6 Speed
Final Drive: Chain
Frame: Tubular steel, double closed cradle
Front Suspension: Hydraulic fork, 48mm

Front Wheel Travel: 200 mm / 7.9 in
Rear Suspension: Single shock adjustable spring preload
Rear Wheel Travel: 220 mm / 8.7 in
Front Brakes: Single 260 mm disc, 2-piston caliper
Rear Brakes: Single 220 mm disc, 2-piston caliper
Wheels: Alloy, laced spokes
Front Tyre: 90/90 -21
Rear Tyre: 140/80 -18
Dimensions: Length: 2185 mm / 86.0 in Width: 860 mm / 33.9 in Height: 1230 mm / 48.4 in
Wheelbase: 1410 mm / 55.5 in
Ground Clearance: 300 mm / 1.8 in
Seat Height: 865 mm / 34 in
Dry Weight: 133 kg / 293 lbs
Fuel Capacity: 10.5 Litres / 2.8 US gal
Fuel Reserve: 3.5 Litres / 0.9 US gal
Fuel Consumption: 5.6 L/100 km / 17.7 km/l / 41.6 US mpg
Standing 1/4 Mile: 16.1 sec
Top Speed: 131.1 km/h / 81.5 mph
Review: Motorcycle News

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