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Saturday, 20 December 2014

Port Timing Diagram for Two Stroke Petrol Engine

Port Timing Diagram for Two Stroke Petrol Engine Points : Port Timing Diagram for Two Stroke Petrol Engine In two stroke petrol engines, ports are use in its place of valves, and therefore, the port timing diagram. 1. Inlet port Inlet port opens 35° to 50° prior to TDC position which closes in the same amount after TDC place. 2. Exhaust port Exhaust port opens and closes 35° near 70° before and after BDC place, in that order. 3. Transfer port Transfer port opens 35° to 60° in proceed to BDC place and closes 35° to 60° after TDC place. 4. Ignition Ignition takes place with spark by 15° to 20° before TDC place as charge requires for a while to ignite. It can be noted to the exhaust and transfer ports open and close at the same angles on also side of BDC place.

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