Storage; Fuel - Honda BF250A Owner's Manual

Fuel

Depending on the region where you
operate your outboard, fuel
formulations may deteriorate and
oxidize rapidly. Fuel deterioration
and oxidation can occur in as little as
15 days and may cause damage to the
fuel system. Please check with your
servicing dealer for local storage
recommendations.
Gasoline will oxidize and deteriorate
in storage. Old gasoline will cause
hard starting, and it leaves gum
deposits that clog the fuel system. If
the gasoline in your fuel tank and
vapor separator deteriorates during
storage, you may need to have the
vapor separator and other fuel system
components serviced or replaced.
The length of time that gasoline can
be left in your fuel tank and vapor
separator without causing functional
problems will vary with such factors
as gasoline blend, your storage
temperatures, and whether the fuel
tank is partially or completely filled.
The air in a partially filled fuel tank
promotes fuel deterioration. Very
warm storage temperatures accelerate
fuel deterioration. Fuel deterioration
problems may occur in less than 15
days, if the gasoline was not fresh
when you filled the fuel tank.
You can extend fuel storage life by
adding a gasoline stabilizer that is
formulated for that purpose, or you
can avoid fuel deterioration problems
by draining all the fuel from the fuel
tank and vapor separator.
The Distributor's Limited Warranty
(p. 118) does not cover fuel system
damage or engine performance
problems resulting from neglected
storage preparation.

STORAGE

Adding a Fuel Stabilizer
When adding a fuel stabilizer, fill the
fuel tank with fresh gasoline. If only
partially filled, air in the tank will
promote fuel deterioration during
storage. If you keep an additional
container of gasoline for refueling, be
sure that it contains only fresh
gasoline.
1. Drain the vapor separator before
adding fuel stabilizer.
87