What is Stroke?
The process of moving from one end of the cylinder to the other when the piston reciprocates within the cylinder is called a stroke.
4 stroke engine is divided into an intake stroke, a compression stroke, a power stroke and an exhaust stroke.
There are 4 types engine model, such as, Gasoline, Methanol, Water-cooled Gasoline, Water-cooled Methanol.
More detail picture please go to the link www.stirlingkit.com
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