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4. Cleaning the fuel filter
• Clogged fuel filter may cause difficulty of startup or failure of engine
speed increase.
• Check the fuel filter regularly as follows:
(1) Remove the fuel tank cap, drain the fuel to empty the tank.
Check the tank inside for any foreign materials. If any, wipe
clean such materials.
(2) Pull out the fuel filter using a wire through the fuel filling port.
(3) If the fuel filter surface is contaminated, clean it with gasoline.
The gasoline used for the cleaning must be disposed of
according to the method specified by each local authority.
Excessively contaminated filter must be replaced.
(4) Reset the fuel filter in the fuel tank and tighten firmly the fuel
tank cap. For replacement, contact your dealership or an
authorized service agent.
5. Inspection of bolts, nuts and screws
• Retighten loose bolts, nuts, etc.
• Check for fuel and oil leakage.
• Replace damaged parts with new ones for safety operation.
6. Cleaning of parts
• Keep engine clean by wiping down with a cloth rag.
• Keep the cylinder fins free of dust or dirt. Dust or dirt adhering to the fins will cause seizure.
7. Replacement of gaskets and packings
Replace gaskets and packings if the engine is disassembled.
Any maintenance of adjustment work that is not included and described in this manual is only to be performed by Authorized Service Agents.
STORAGE
Drain fuel from the fuel tank and carburetor according to the following
procedure:
(1) Remove the fuel tank cap, and drain fuel completely.
If there is any foreign matter remaining in the fuel tank, remove
it completely.
(2) Pull out the fuel filter from the refill port using a wire.
(3) Push the primer pump until fuel is drained from there, and
drain fuel coming into the fuel tank.
(4) Reset the filter to the fuel tank, and securely tighten the fuel
tank cap.
(5) Then, continue to operate the engine until it stops.
(6) Remove the spark plug, and drip several drops of engine oil
through the spark plug hole.
(7) Gently pull the starter handle so that engine oil will spread over
the engine, and attach the spark plug.
(8) Keep the machine with its handle upside.
(9) Keep the drained fuel in a special container in a well-ventilated
shade.
WARNING
• When draining the fuel, be sure to stop the engine and confirm that the engine cools down.
- Failure to do so may cause burns or fire.
DANGER
• When you store the machine for a long time, drain all fuel from the fuel tank and carburetor, and keep it at a dry and clean place.
Hose clamp
Fuel filter
Fuel tank cap
