4-stroke Cycle & Oils
What is the intake stroke?
The largest single part of an engine.
What is the engine block?
The liquid used to cool an engine.
What is coolant?
The part of the tire that touches the road.
What is the tread?
The only valve open during the exhaust stroke.
What is the exhaust valve?
The engine component that has the oil fill cap on it.
What is the valve cover?
The only type of belt that does not use a tensioner.
What is a stretch belt?
The part of the wheel where you add air.
What is the valve stem?
The "thickness" or consistency of a liquid.
What is viscosity?
Also known as the oil sump.
What is the oil pan?
The part that regulates engine temperature by opening or closing.
What is the thermostat?
The part of the tire that seals against the rim.
What is the bead?
The 2 most common types of engine oil.
What are conventional and synthetic?
The part of the engine that opens and closes the valves using eccentric lobes.
What is the camshaft?
The process of removing air from the cooling system after being serviced.
What is burping the cooling system?
The layers of materials that make a tire.
What are plies or cords?
The 'W' stands for this in 5W30 oil
What is weight?
Passageways in the engine block that carry oil from the oil pump to critical moving parts.
What are oil galleries?
A toxic chemical used in antifreeze. It lowers the freezing point and raises the boiling point of coolant.
What is ethylene/propylene glycol?
The underlined parts of this tire size P195/65R16.
What are the section width and aspect ratio?