Beta Alp4 (2003-04)

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.

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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