Heat is a paramotor's mortal enemy. Worst cases have the piston
welding itself to the cylinder wall in the mother of all motor failures:
a seizure. A close cousin is the piston burning a hole through it's top.
Molten material drops harmfully into the engine's lower, and most
expensive, workings.
There are a number of reasons why heat gets to this point. Here are
most, starting with the most common.
