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combattuk1985 4 stroke refers to the cycle the engine goes through to complete a cycle, not having a sump with oil in it has nothing to do with the stroke cycle, 2 strokes have ports on the cylinder walls 4 strokes tend to have valves that open and close using a cam shaft, hence this engine has a belt turning a camshaft to open the valves hence 4 stroke

2019-12-22 06:15:34 Útil (0)
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