Maintenance guide and long-term-storage procedure - Power Products

First of all, please carefully read the manual provided with the product.

Here, we simply explain the maintenance procedures and the method of storage. For specific details concerning maintenance and storage, please read the instruction manual attached to the product and start use only after familiarizing yourself with all the knowledge, safety information, and warnings related to the product. Improper handling may cause serious problems or accidents.

Basic maintenance items common to each Yamaha generator model

Inspection and cleaning of the spark plug

Cleaning of the fuel strainer

Replacement of the engine oil

Cleaning of the fuel-tank filter

Cleaning of the muffler wire net

Inspection and cleaning of the air-cleaner element

Long-term storage procedure (Movie)

Storage of the generator

1. If the generator is used at least once a week, stop the engine and turn the fuel cock to OFF (closed).: At the next time of use, turn the fuel cock to ON (open) and use the generator as usual.

2. In case the generator is intended to be used for disaster prevention and as an emergency power supply, without ordinary use.: Start the engine at least once a month and check the state of power generation.

3. If the procedure described in 2 is not possible (usage is only possible after a few months, etc. ), proceed with storage in the following order.: If this is not done, it is possible that the next start-up of the engine will be difficult. (In particular, gasoline in the carburetor may be degraded and clog the small holes of the carburetor.)
*Refer to section "Storage, preservation" in the manual.

Normal procedure

1.: Turn OFF the engine switch.

2.: Disconnect the gasoline in the fuel tank. Avoid spilling of the gasoline-carrying can (iron permitted). (Fire prevention)
Attention: rust in iron-made gasoline tank - uniform oil coating

3.: Turn the fuel cock to ON (open) and start the engine. After a few minutes, the sign “Gas deficient state” will appear and the engine will stop.

4.: Drain the fuel by loosening the drain screw of the carburetor. After draining, tighten the screw.

5.: Switch the engine to OFF and the fuel cock to OFF (closed).

6.: Preserve in a room with low moisture and good ventilation.

Simple steps

1.: Turn the fuel cock to OFF (closed) and start the engine. After a few minutes, the sign "Gas deficient state" will appear and the engine will stop. (the gasoline in the carburetor will be eliminated)

2.: Turn the engine switch to OFF.

3.: Store in a room with low moisture and good ventilation.

4.: Gasoline in the fuel tank should be filled to the brim. (Reason: to prevent condensation and rust in the fuel tank)

*Gasoline is highly flammable and explosive.
*Handle gasoline in a well-ventilated area, where there are no sparks, e.g., such as from tobacco products.
*When stored for long periods of time, gasoline may suffer degradation, making it difficult to start the engine.