RVMP Flex Power 4000i Dual Fuel GeneratorRVMP Flex Power 4. 0kW is designed for permanent installation onboard the unit: compact, quiet, powerful, and efficient. This dual fuel generator runs on a versatile and dependable single cylinder 225cc OHV air cooled engine with a digital governor. Power, performance, and, most importantly, safety are all considered throughout the manufacturing of the RVMP Flex Power Generator. By eliminating the typical bulk of conventional generators, the