The Harley Davidson Revolution engines were used from 2002 onwards and are also known as water-cooled engines. The first of these engines was introduced in the V twin Racing Street Custom (VRSCA). A screaming Eagle version (1250 cc) was produced between 2005 and 2006 and became standard from 2008 for the whole VRSC line. Revolution engines are based on the VR-1000 superbike racing program. Classic Harley Davidson engines are V-twin, two-cylinder engines with the pistons based in a V (at 45 degrees). The way that these engines are designed makes the cylinders fire at different intervals, creating a high torque engine with a distinctive and unique Harley Davidson sound.
Custom Harley Engines
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