4-stroke engine gives better mileage than a 2-stroke engine, and here’s why:

 4-stroke engine gives better mileage than a 2-stroke engine, and here’s why:

Key Reasons

1️⃣ Efficiency of Combustion

  • 4-stroke engines complete the intake, compression, power, and exhaust strokes in 4 piston movements.

  • This allows more complete combustion of fuel, extracting more energy per unit of fuel.

  • 2-stroke engines complete a cycle in 2 strokes, which can cause fuel loss during scavenging, making them less fuel-efficient.

2️⃣ Fuel Consumption

  • 4-stroke engines burn less fuel for the same distance, so mileage is higher.

  • 2-stroke engines inject fuel more frequently and some of it escapes unburned, reducing efficiency.

3️⃣ Lubrication

  • 2-stroke engines mix oil with fuel, causing more energy loss and higher consumption.

  • 4-stroke engines have a separate lubrication system, improving efficiency.

4️⃣ Durability and Maintenance

  • 4-stroke engines run cooler and last longer, maintaining efficiency over time.

  • 2-stroke engines wear faster, which can reduce efficiency and mileage.

✅ Summary:
4-stroke engines = better mileage, cleaner emissions, longer lifespan.
2-stroke engines = more power per cc, lighter, simpler, but less fuel-efficient.

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