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The V Due was a 500cc V-twin two-stroke motorcycle first manufactured by Bimota in 1997. Technical specs included the first electronically controlled direct fuel injection on a two-stroke bike, cassette type gearbox and dry clutch. Its power-to-weight ratio surpassed almost all sports bikes of the day. The first production run of 150 bikes ...
Animation of a two-stroke engine. A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes of the piston (one up and one down movement) in one revolution of the crankshaft in contrast to a four-stroke engine which requires four strokes of the piston in two crankshaft revolutions to complete a power cycle.
The bulbous shape of the exhaust of the Cornet and Boss is an anti-noise two-stroke TWN feature. All TWN motorcycle production ceased in 1957. In 1953 TWN showed the model Duplex at a fair. This 250 cm 3 engine was a 2-cylinder split-single with 4 pistons. This motorcycle was not produced.
Boxer crankshaft configuration. Most flat-twin engines use a boxer configuration for the crankshaft and are therefore called "boxer-twin" engines. In a boxer-twin engine, the 180° crankshaft moves the pistons in phase with each other, therefore the forces generated by one piston are cancelled out by the other, resulting in excellent primary balance.
Since naturally aspirated four-stroke engines must perform pumping work to suck the charge into the cylinder, and to remove the exhaust from the cylinder, IMEP may be split into the high-pressure, gross mean effective pressure (GMEP, ) and the pumping mean effective pressure (PMEP, ). In naturally aspirated engines, PMEP is negative, and in ...
The designers at Moto Guzzi were aiming the V1000 Convert at the US police motorcycle market and were the first to produce a big capacity automatic motorcycle with shaft drive. Moto Guzzi increased the pushrod-operated V-twin's bore and stroke to give a displacement of 949 cc (57.9 cu in), and replaced manual gearbox with a torque converter ...
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A transverse engine is an engine mounted in a vehicle so that the engine's crankshaft axis is perpendicular to the direction of travel. In a longitudinal engine configuration, the engine's crankshaft axis is parallel with the direction of travel. However, the description of the orientation of "V" and "flat" motorcycle engines differs from this ...