Home › Forum › Ask A Member › Evinrude zephyr › Re: Evinrude zephyr
May 25, 2018 at 6:28 pm
#76712
One crankcase chamber provides the pulses to move the fuel pump diaphragm, no matter how many cylinders.
EDIT: Actually, on opposed cylinders such as the Zephyr, two opposite cylinders share a common crankcase chamber. Same thing.