Four-Stroke Engine Worksheet

space in which a piston travels
to produce a loud sound
valve which opens during the proper time to allow the air/fuel mixture to be drawn into the cylinder
condition in which the air/fuel mixture becomes ignited before the spark plug fires
device which mixes air and fuel
process of getting fuel and air required for combustion
ignition of air/fuel mixture
auto-ignition of the air/fuel mixture caused by high cylinder temperatures and pressures
valve which opens during the proper time to allow the used air/fuel mixture to be released from the cylinder
bearing on which the crankshaft rotates
component in an engine which moves up and down due to pressure
compression of air/fuel mixture in the cylinder
release of the used air/fuel mixture
turns reciprocation motion of the piston into a rotating motion
a cleaner attached to the carburetor that is designed to remove dirt and dust from the air before it mixes with the fuel
gasoline is usually designated by this number- ex. 87,89,93
most manufactors of small gas engines recommend the use of oil with a ________________ of SE,SF,SD, or SC- it is clearly marked on every container
oil is also rated according to the __________ , or thickness of the oil
professional association and standard development organization with a special focus on transport sectors
both a dry element filter and an oil-foam cover
this tool is used to analyze a cylinder for wear once the piston, rings, and connecting rod are removed
a ____ is used to measure connecting rod bearing clearance