Pros and Cons of 2 and 4 Stroke Engines
2 Stroke Engines
Pros
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Cons
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Simple to produce
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High noise levels
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Easy and cheap to manufacture
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High Pollution levels (caused by burning of oil with the fuel)
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Relatively high power output for CC
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Low fuel economy
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Ideal for smaller motorcycles and scooters up to 125cc due to low production cost and good power output
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Narrow power band
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Due to the way oil is burnt in the cylinder, re-bores are required every so often
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