... technoloty ,2.5HP gasoline engine,,starters:Manual ,high quality with best price generator engine ModelJF152FTypeForced-air-cooled,four stroke single ... crankshaft rotation. For inhalation of fresh gases and emissions, with intake valve and exhaust door. Pistons top center most distant ... piston close to the ending point, mounted on a cylinder covered with a spark plug that is issued by electric spark, ...