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 |
