-intake: exhaust closed, intake open
-compression: exhaust closed, intake closed
-combustion: exhaust closed, intake closed
-exhaust: exhaust open, intake closed
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Both the intake and the exhaust valve are closed.
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change the position of the sliding switch
On the exhaust pipe between the catalytic converter and exhaust. It is basically between the rear wheels. It will be at the top of the exhaust pipe at the 12 o'clock position.
closedUpdated answer,Firstly the four stages of an "Otto Cycle Engine" are, Induction the intake valve is opening, to let fuel and air mixture into piston chamber. Compression the intake valve and exhaust are shut to compress fuel air mixture. Powerfuel air mixture ignited, both the intake and the exhaust valves are closed. And finally Exhaust when the exhaust valve is open to release spent gasses. At idle speed approximately 800 rpm it should be appreciated timing is important.
Typically the exhaust ports on diesel subs is below the water line. This helps prevent smoke giving away the sub's position. While underwater, they run on batteries and have no exhaust. Nuclear subs run on steam and don't have exhaust either.
to open and close the intake and exhaust valves in accordance with piston and crankshaft position
Between the exhaust header and the catalytic converter.
The engine may backfire excessively. You may also smell a strong exhaust odor in the riding position. In worst cases, it can cause the engine to run lean.
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