Core features of gasoline engines

Sep 19,2025


High RPM: Gasoline engines typically reach speeds of several thousand revolutions per minute, making them suitable for scenarios that require quick response, such as cars, motorcycles, etc.

High RPM: Gasoline engines typically reach speeds of several thousand revolutions per minute, making them suitable for scenarios that require quick response, such as cars, motorcycles, etc.
Lightweight structure: Compared to diesel engines, gasoline engines are smaller in size, lighter in weight, and easier to install and carry.
Fast startup acceleration: The spark plug ignition method makes the startup process convenient, the throttle response is sensitive, and the acceleration performance is superior.
Smooth operation: Low noise and vibration, providing a comfortable driving experience.
Fuel economy needs to be improved: thermal efficiency is relatively low (20% -30%), fuel consumption is high, but technologies such as turbocharging and direct injection are improving this problem.

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Working principle of gasoline engine

Intake stroke: The piston moves from top dead center to bottom dead center, the intake valve opens, and the exhaust valve closes. Negative pressure is formed inside the cylinder, and the mixture of air and gasoline is sucked into the cylinder.

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