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A distinctive feature of the PC50 is the use of a four-stroke engine, at a time almost all pedal-equipped mopeds used two-stroke engines. Honda's early development of 50 cc four-stroke engines was a result of Soichiro Honda's dislike of the sharp noise of two-stroke engines. [2] The PC50 used two different engines during its production.
A Base 50 engine is a generic term for engines that are reverse-engineered from the Honda 49 cc (3.0 cu in) air-cooled four-stroke single cylinder engine. Honda first offered these engines in 1958, on their Honda Super Cub 50. Honda has offered variations of this engine continuously, in sizes up to 124 cc (7.6 cu in), since its introduction.
Four-stroke cycle used in gasoline/petrol engines: intake (1), compression (2), power (3), and exhaust (4). The right blue side is the intake port and the left brown side is the exhaust port. The cylinder wall is a thin sleeve surrounding the piston head which creates a space for the combustion of fuel and the genesis of mechanical energy.
The change and long-term commitment to the more sophisticated four-stroke technology came either directly from founder Soichiro Honda [6] or indirectly due to pressure from managing director Takeo Fujisawa, who was said to be appalled by the noise and smoke that two-stroke engines produced and the additional hassle that Honda customers faced by ...
The engine was an advanced four-stroke single-cylinder (and was sometimes described as a shrunken half of an RC145). [1] The cylinder axis was inclined at 35°. Two overhead camshafts in a four-valve head were driven by spur gears. [1] The engine was said to produce 9.5 bhp at 14,000 rpm. [4] The gearbox had five speeds.
The Honda RC116 was a race motorcycle built by Honda Japan for the 50 cc class of Grand Prix motorcycle racing in the 1966 season. The motorcycle was a development of the previous RC115 version.
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