Patent ID: 8646418
Filing Date: 2014-02-11
Classification: F01M,F01N,F01P,F02B,F16N

Abstract:
1. A four-stroke engine comprising: an engine body having a cylinder block section in which a cylinder is provided, a cylinder head section provided above the cylinder block section and a crank case section provided below the cylinder block section; an intake valve and an exhaust valve open and close an intake port and an exhaust port provided on the cylinder head section in the engine body, respectively; a crank shaft rotatably supported by the crank case section; an oil tank that is provided directly beneath the engine body and stores lubricating oil; a fuel tank that stores fuel; a carburetor connected to the intake port; and a muffler connected to the exhaust port, wherein the carburetor is provided on a side of the cylinder head section of the engine body; and the fuel tank is disposed in a space directly beneath the carburetor, on a side of the crank case section of the engine body and the oil tank.