C-24.2, r. 37.2 - Pilot project concerning the sound level control of the exhaust system of a motorcycle and moped

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6. The measurement method where the engine rotates with a variable speed designates a method where, during measurement, the rotational speed of the engine is increased progressively for at least 2 seconds from the idle engine speed to the value determined in the second and third paragraphs of section 5. The idle engine speed is a speed where the engine is running but where the throttle is not activated.
M.O. 2012-06, s. 6.