The vent line does not evacuate the crankcase. It is a pulse line. The suction and pressure changes in the crankcase is moving a membrane in the carb and pumps gas. The new carbs have it build in now so they don't need that line anymore. They using the vacuum from the suction to pup gas.
Thanks very useful
The vent line does not evacuate the crankcase. It is a pulse line. The suction and pressure changes in the crankcase is moving a membrane in the carb and pumps gas. The new carbs have it build in now so they don't need that line anymore. They using the vacuum from the suction to pup gas.
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