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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.
It typically falls into class with other two-stroke 50cc road bikes such as the Yamaha YSR50, but is also commonly classed with up to 110cc four-stroke bikes. The NSR50's engine (designated as AC08E), is a horizontal, single cylinder, water-cooled, two-stroke engine that uses piston port injection. It has an inner diameter x stroke = 39.0x41.4 ...
Current Honda general-purpose engines are air-cooled 4-stroke gasoline engines but 2-stroke, Diesel, water-cooled engines were also manufactured in the past. The current engine range provide from 1 to 22 hp (0.7 to 16.5 kW ).
Honda began their first 50 cc GP season with the RC110, announced at the Japanese Motor Show in 1961. Powered by a single cylinder, four-valve engine, and with gear driven double overhead cams, giving about 9 hp (6.7 kW) at 14,000 rpm.
The Honda FC50, also known as the Honda Beat, is a 50 cc (3.1 cu in) scooter manufactured by Honda in 1983. It was produced mainly for the Japanese domestic market — although both new and used models were exported from Japan—making it a fairly hard-to-find scooter. It was available in red, black, or white.
A rebadged version is sold as the Honda Lead in the European market. Original model was launched in 2001, model name SCV100, was equipped with a 102 cc (6.2 cu in) air-cooled, four-stroke, 8V (8 valve), OHC engine with both electric self-start and kick start. This version has a 6-litre (1.3 imp gal; 1.6 US gal) fuel tank, of which one litre is ...
Two-stroke engines often have a higher power-to-weight ratio than a four-stroke engine, since their power stroke occurs twice as often. Two-stroke engines can also have fewer moving parts, and thus be cheaper to manufacture and weigh less. In countries and regions with stringent emissions regulation, two-stroke engines have been phased out in ...