Valve Timing Diagram - Learn for 2-Stroke, 4-Stroke Engines, Variable Valve Timing

Last Updated on May 20, 2025
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Valve Timing Diagram FAQs

Valve timing refers to the precise coordination of the opening and closing of the engine's intake and exhaust valves in relation to the piston's position, ensuring efficient fuel intake, combustion, and exhaust expulsion.

The two types of valve timing are fixed valve timing and variable valve timing.

Valve timing is measured by analysing the position of the piston and the opening/closing moments of the intake and exhaust valves using specialised tools such as a degree wheel and dial indicator.

Valve timing refers to the precise synchronisation of the opening and closing of an engine's intake and exhaust valves with respect to the piston's position within the combustion chamber.

Valve timing directly impacts engine performance by optimising air intake, combustion, and exhaust processes, leading to improved power output, fuel efficiency, and overall engine efficiency.

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