In two-stroke engines the critical moment when ports are covered or uncovered by the piston. Port timing can be modified to enhance a 2-stroke’s power and RPM range.
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In two-stroke engines the critical moment when ports are covered or uncovered by the piston. Port timing can be modified to enhance a 2-stroke’s power and RPM range.
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[...] Measurement of the exact instant when the valves open or close in an internal-combustion engine, or when the spark occurs. It is normally expressed in degrees or millimetres before TDC (see ignition timing and port timing). [...]