Power trowel:1. Join0.4LGasoline engine oil, measured by organic dipstick.2.Pull flame extinguisher switchONPosition, move choke to the position near the power trowel handle, carburetor throttle lever to the position near the fuel tank.3.Engine pull plate hand gently pull out when the starter and start Cup card are all pulled out, start..4.Push choke to the position close to the fuel tank (remember not to push the air door to cause the gasoline engine to be weak and smoke) plus-sized the thrott