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1. Safety Precautions
• This manual describes the engine. For its mounting and control, see the
instruction manual provided by model boat manufacturer.
• This engine is designed for model boat use. If it is used for any other
purpose, we cannot be responsible for its reliability, safety and any
laws/regulations in the country.
•Use genuine parts for replacement.
• Check the rotor and screw-propeller every time. If it is damaged, replace it
with a new one.
• If the screw-propeller hit something while the engine is in operation,
immediately stop the engine and check it.
•Start the engine on a flat surface without pebble stones.
•Never modify the rotor.
• Check the rotor. If it is damaged, replace it with a new one.
• When mixing the fuel, or operating the engine, carry it out in a well-
ventilated place.
• To prevent electrification, never touch the high-tension wire of the spark
plug during operation.
• The engine metal parts can burn your skin. Never touch the engine and
muffler during operation or right after stopping the engine.