Why does the two-stroke engine does not have a camshaft?*1 pointC. Camshaft is not neededD. All of the aboveB. It uses portsA. Has no valves
Question
Why does the two-stroke engine does not have a camshaft?*1 pointC. Camshaft is not neededD. All of the aboveB. It uses portsA. Has no valves
Solution
The two-stroke engine does not have a camshaft because it uses ports and has no valves. In a two-stroke engine, the process of intake and exhaust is accomplished with the piston's movement and the opening and closing of the ports, which are controlled by the position of the piston itself. Therefore, a camshaft, which is typically used to control the opening and closing of valves in a four-stroke engine, is not needed in a two-stroke engine.
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