4 Stroke
A cycle on a small engine best describes the ______________-
What are the four strokes?
Two examples of 2 stroke engines used in the summer months could be?
What are weed eaters and chain saws?
The easiest way to tell if you have a 4 stroke engine?
What is identifying the sump?
What is 50 % ?
The intake poppet valve is associated with the _______
What is carburetor?
2 Stroke engines will not have a ___ ____ or a _______ ______
What is a camshaft or a poppet valve?
The crankshaft will turn _____ to one turn of the camshaft.
What is two turns?
A term for unburnt gasses leaving the combustion chamber through the exhast port.
What is "scavenging"?
If a four stroke engine crankcase has positive pressure it can_________
What is force out oil from the crankcase through seals and gaskets
A benefit to two stroke engines are that they can be _____________ down?
What is used upside down?
What two items will bring the poppet valves back to the closed position?
What are valve springs and the contour of the cam lobes?
One can tell if you have a two stroke by looking at the piston and finding ________
What is an irregular shape to the top of the piston?
A narrowing of a passage where low pressure is created in order to mist gasoline.
What is a "Venturi"?
4 stroke engines have _________ valves
What is poppet valves?
One can tell if you have a two stroke by looking at the cylinder wall and finding ________
What is ports?
On a small engine's shroud you will find stamped numbers on the exterior. These numbers are useful for__________________________________?
What is ordering replacement parts?
The reservoir for oil is also called?
What is a sump?
The only valve found on a two stroke engine is the _______ valve?
What is the reed valve?
On a small engine the recommended oil change is performed every _______ hours of operation.
What is every 25 hours of operation.
These devices ride on or follow the cam lobes.
What are tappets?
A severe loss of compression could be due to ____?
What are worn piston rings or valves that do not close properly