today use a float chamber system to regulate the fuel
supply to the carburetor, with the float chamber
positioned at the front of the boat, a small reservoir of
fuel at a constant pressure is always available close to
the carb. The float chamber is best positioned infront of
the carb, if also fitted as centrally as possible, it
will help to minimise surge or starvation when the boat
An additional idea, but not essential, to prevent too much pressure build up is to fit a pressure bleed valve to the main tank, this could be a fine adjustment remote mixture valve.