Start In Gear Protection; Selecting Accessories For Your Outboard; Fuel System - Mercury 300 XS OptiMax Manual

Do not overpower or overload your boat. Most boats will carry a required
capacity plate indicating the maximum acceptable power and load as
determined by the manufacturer following certain federal guidelines. If in doubt,
contact your dealer or the boat manufacturer.
U.S. COAST GUARD CAP ACITY
MAXIMUM HORSEPOWER XXX
MAXIMUM PERSON
MAXIMUM WEIGHT

Start in Gear Protection

Starting the engine with the drive in gear can cause serious injury or death.
Never operate a boat that does not have a neutral‑safety‑protection device.
The remote control connected to the outboard must be equipped with a start in
neutral only protection device. This prevents the engine from starting in gear.

Selecting Accessories for Your Outboard

Genuine Mercury Precision or Quicksilver Accessories have been specifically
designed and tested for this outboard.
Some accessories not manufactured or sold by Mercury Marine are not
designed to be safely used with this outboard or outboard operating system.
Acquire and read the installation, operation, and maintenance manuals for all
selected accessories.

Fuel System

AVOIDING FUEL FLOW RESTRICTION
IMPORTANT: Adding components to the fuel supply system (filters, valves,
fittings, etc.) may restrict the fuel flow. This may cause engine stalling at low
speed, and/or a lean fuel condition at high RPM that could cause engine
damage.
ELECTRIC FUEL PUMP
The fuel pressure must not exceed 28 kPa (4 psi). If necessary, install a
pressure regulator.
OUTBOARD INSTALLATION
CAPACITY (POUNDS)
CAPACITY
!
WARNING
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