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This is also common for motorcycles, and such head/cylinder components are referred to as barrels. Some engines, particularly medium- and large-capacity diesel engines built for industrial, marine, power generation, and heavy traction purposes (large trucks, locomotives, heavy equipment, etc.) have individual cylinder heads for each cylinder ...
The B48 engine was revised in 2018, dubbed "B48TU" ("Technical Update"), with notable changes and improvements; a new one-part timing chain as opposed to the earlier two-part, a new separate cooling circuits for the cylinder head and crankcase, and forged conrods and forged crankshaft is now 2.03 lb (1 kg) lighter due to the use of lighter ...
The BMW N20 is a 1.6 and 2.0 L (98 and 122 cu in) turbocharged four-cylinder DOHC petrol engine with variable valve lift and variable valve timing which replaced the N53 (or BMW N52 in some markets) and was produced from 2011 to 2017 by BMW. Although the N20 is a four-cylinder engine, it is considered a replacement for the naturally aspirated ...
The engine of the Norden 901 is a water-cooled in-line 2-cylinder with a capacity of 889 cm 3 (54.3 cu in), which exhibits extremely low-vibration thanks to two balancer shafts. [2] The engine is based on the KTM LC8c engine which powers the KTM 890 Adventure.
Cylinder head porting refers to the process of modifying the intake and exhaust ports of an internal combustion engine to improve their air flow. Cylinder heads, as manufactured, are usually suboptimal for racing applications due to being designed for maximum durability. Ports can be modified for maximum power, minimum fuel consumption, or a ...
A crossflow head gives better performance than a Reverse-flow cylinder head (though not as good as a uniflow), but the popular explanation put forward for this — that the gases do not have to change direction and hence are moved into and out of the cylinder more efficiently — is a simplification since there is no continuous flow because of valve opening and closing.
The first across-the-frame 4-cylinder motorcycle was the 1939 racer Gilera 500 Rondine, it also had double-over-head camshafts, forced-inducting supercharger and was liquid-cooled. [23] Modern inline-four motorcycle engines first became popular with Honda's SOHC CB750 introduced in 1969, and others followed in the 1970s. Since then, the inline ...
1903 – Motorcycles The first motorcycle, which could reach the impressive speed of 4–5 km/hour, was produced in 1903. Starting in the 1930s, Husqvarna's lightweight engines helped make some successful track racing and motocross bikes. Husqvarna's first titles in Motocross World Championship came in 1959 and 1960.
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