| 1. | It consists of following four strokes : expansion or power stroke, exhaust stroke.
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| 2. | The exhaust release point occurs earlier in the power stroke and compression earlier in the exhaust stroke.
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| 3. | Next it goes down on the power stroke, then it finally returns up on the exhaust stroke.
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| 4. | At very high engine loads, AVCS advances the intake valves further to open even sooner during the exhaust stroke.
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| 5. | The spark plug is fired on every stroke, resulting in a wasted spark in the cylinder when on its exhaust stroke.
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| 6. | The piston continued its exhaust stroke until top dead center ( TDC ) was reached, but the valve did not close.
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| 7. | The 360?twins can have a single ignition system for both cylinders, with a wasted spark on each cylinder's exhaust stroke.
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| 8. | The designers consider this to be a five-stroke design, regarding the simultaneous HP exhaust stroke and LP expansion stroke as a single stroke.
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| 9. | Some of the pressure created during the exhaust stroke flows into the intake manifold, having the effect of exhaust gas recirculation ( EGR ).
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| 10. | On the exhaust stroke the angle of the connecting rod causes it to open the piston valve, allowing expanded steam to exhaust into the crankcase.
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