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Quicksilver 675SD — System & Component Overview and Operaon
1. Fuel System
Your boat’s petrol fuel system consists of a fuel tank, a fuel tank ll, a fuel tank vent ng, an an-
siphon valve, a sending unit, and an engine fuel supply line. In addion, there is an extra fuel port for
an oponal pickup, if needed.
Fuel System
GASOLINE RECOMMENDATIONS
Minimum octane rang is 87AKI
The use of improper gasoline or addives can damage your
fuel system. Damages caused by improper gasoline or
addives will not be covered under warranty.
Fuel deck plate
Fuel ll hose
Fuel vent hose
Fuel vent ng
200L fuel tank
Fuel sender
An-siphon valve
Fuel distribuon hose
Extra fuel port (plugged)
Fuel Tank
Your boat is equipped with a crosslink polyethylene fuel tank with a capacity of 200 liters. As a
precauon, all of the capacity may not be useable due to trim and loading condions, so consider
keeping at a minimum 25% reserve fuel in the tank.
Fuel tanks with levels less than 25% capacity can cause engine stalling problems due to fuel starvaon
or by allowing sediment and dirt to enter the fuel supply lines. Keep the tank full and monitor the fuel
level oen to prevent this from happening.
Fuel Distribuon
Fuel is delivered from the tank to the engine through the an-siphon valve and the fuel line. The an-
siphon valve is a safety feature designed to prevent fuel from siphoning out of the tank if the fuel line
was ever cut or broken below the level of the fuel in the tank. If the line ever broke, some fuel would
leak out from the line, however, the an-siphon valve prevents the enre contents of the tank to
siphon into the boat.
NEVER REMOVE OR MODIFY THE ANTI-SIPHON VALVE FROM THE FUEL TANK.
Ethanol—Blended Fuels
Ethanol is an oxygenated hydrocarbon compound that has a high octane rang and therefore is useful
in increasing the octane level of unleaded gasoline. The fuel system components of your Mercury
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