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The Rotax Type 256 is a 250 cc (15 cu in) two-stroke parallel twin-cylinder racing engine, designed, developed and produced by Rotax, between 1980 and 1998.It was primary used in kart (especially kart racing) applications, as well as motorcycle racing applications, such as competing in the 250cc class of the Grand Prix motorcycle World Championship.
Aprilia claims that the new engine was designed specifically for superbike racing and that the engine will produce over 200 horsepower (150 kW) in race configuration. Since 2021 the engine's displacement has been increased to 1,099 cc, maximum power increased to 217 horsepower (162 kW) at 13,000 rpm and maximum torque to 92.19 ft-lbs (125 Nm ...
The Harley-Davidson Milwaukee-Eight engine is the ninth generation of "big twin" engines developed by the company, but only Harley's fourth all-new Big Twin in 80 years, first introduced in 2016. These engines differ from the traditional Harley Big Twin engines in that there are four valves per cylinder, totaling eight valves, hence the name.
Engines with more cylinders for the same displacement feel smoother to ride. Engines with fewer cylinders are cheaper, lighter, and easier to maintain. Liquid-cooled motorcycles have a radiator which is the primary way their heat is dispersed. Coolant or oil is constantly circulated between this radiator and the cylinder when the engine is running.
[6] [7] With a smaller engine than rival four-cylinder motorcycles by Henderson and Ace, Cleveland's first four-cylinder motorcycle did not sell well. [5] [6] In 1926, Cleveland replaced the Fowler engine with a new design by E. H. DeLong. [6] [8] The new engine had an inlet-over-exhaust valve configuration [6] [9] and a displacement of forty ...
In developing countries where typical motorcycles are 125–150 cc (7.6–9.2 cu in) displacement, the larger 249.5 cc (15.23 cu in) CBR250R is at the higher end of the sport bike range, [10] looking similar to much more powerful sporting machines with its full fairing in Honda's new layered style that was introduced on the 2008 CBR1000RR Fireblade and 2010 VFR1200F.
The Yamaha YZF-R6 is a sport bike, [1] produced by Yamaha as a 600 class from 1999 to 2020. From 2021, production availability is limited to a non-homologated race-only specification in most global markets, [2] [3] causing race organisers to realign their engine eligibility criteria to encourage other manufacturers having larger than 600 cc displacements to enter road-race competition from ...
A unit construction 248 cc OHV engine with 13 bhp. Its purpose was a commuter bike. Clipper Sports 250 cc single 1959–1967 A unit construction 248 cc OHV engine with 17 bhp. A bit more sporty as the standard Crusader. Continental 250 cc single 1963–1966 A unit construction 248 cc OHV engine with 20 bhp. Created as the factory made cafe-racer.