Storage Preparation

Proper storage preparation is essential for keeping your generator trouble-free and looking good. The following steps will help to keep rust and corrosion from impairing your generator’s function and appearance, and will make the engine easier to start when you use the generator again.


Wipe the generator with a moist cloth. After the generator has dried, touch up any damaged paint, and coat other areas that may rust with a light film of oil.


NOTE: Depending on the region where you operate your equipment, fuel formulations may deteriorate and oxidize rapidly. Fuel deterioration and oxidation can occur in as little as 30 days and may cause damage to the carburetor and/or 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 generator deteriorates during storage, you may need to have the carburetor and other fuel system components serviced or replaced.

The length of time that gasoline can be left in your fuel tank and carburetor 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 within a few months, or even less if the gasoline was not fresh when you filled the fuel tank.

The Distributor’s Limited Warranty does not cover fuel system damage or engine performance problems resulting from neglected storage preparation

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 the fuel tank and carburetor.

Adding a Gasoline Stabilizer to Extend Fuel Storage Life

When adding a gasoline 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 a container of gasoline for refueling, be sure that it contains only fresh gasoline.

  1. Add gasoline stabilizer following the manufacturer’s instructions.
  2. After adding a gasoline stabilizer, run the engine outdoors for 10 minutes to be sure that treated gasoline has replaced the untreated gasoline in the carburetor.
    • For 1000, 2000 and 3000 generators:

      Turn the engine switch to the OFF position, and turn the fuel tank cap vent lever to the OFF position

    • For all other generators:

      Stop the engine, and turn the fuel valve lever to the OFF position.

Additional Tips

  • Check to see if it starts with one pull. If not, replace spark plug.
  • Cover with water-resistant cover (but not plastic) if stored outside
  • Whether inside or outside, keep your generator off the floor to allow adequate ventilation to avoid damage from rust and corrosion.

Copied from Honda Power Equipment’s web site.