US Patent 7516727 Vehicle combustion engine

A vehicle combustion engine includes an engine cylinder block having an exhaust port defined in a front surface area thereof and fluidly connected with an exhaust tube. A transmission is arranged rearwardly of a crankcase. The vehicle combustion engine also includes at least one of an oil filter for filtering oil and an oil cooler for cooling the oil, which is positioned outside the cylinder block and the crankcase, but close to a lower portion of the cylinder block at a location rearwardly of the cylinder block.