It started in Mt. Vernon

A two stroke engine makes twice the rpms that a four stroke does.  And, oil has to be mixed with the gas.  There is a delicate balance of air, and fuel, that keeps it running, and lasting a long time.  When that balance gets off, you can use the choke, to provide a bit more fuel.  I have a weedeater right now that runs great as long as the choke at about 1/3 on.   To make sure it gets enough air, you try to keep the air filter clean.  The oily nature of the exhaust and fuel makes that difficult.    Not enough air, gets the burn too rich, making the engine bog down.  Might even stop running.  Too much air burns too lean, and the engine revs.  What happens when it runs out of fuel?  For the last minute or so of available fuel, air bubbles, and the lack of liquid fuel throw off the air fuel mixture.  It runs way too lean.   You have to be aware of this, or it will surprise you and you will think its going to bl...