Cleaning of air cleaner – Every 8 hours (Daily)
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Remove the air cleaner cover.
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Push the choke lever up (arrow), to prevent dirt particles from entering the
carburetor.
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Take out the sponge element, wash it in lukewarm water and dry it completely.
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After cleaning, put back the sponge element and the air cleaner cover.
NOTE: If there is excessive dust or dirt adhering to the air cleaner, clean it every
day. A clogged air cleaner may make it difficult or impossible to start the engine
or increase the engine rotation speed which could cause damage.
Checking the spark plug – Every 8 hours (Daily)
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Only use the supplied universal wrench to remove and install the spark plug
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The gap between the two electrodes of the spark plug should be 0.6 to 0.7 mm. If
the gap is too wide or too narrow, adjust it. If the spark plug is clogged with carbon
or fouled, clean it thoroughly or replace it. Use an exact replacement.
Supply of grease and lubricant
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Supply grease to the gear case through the grease hole every 10 to 20 hours (Shell
alvania No.3 or equivalent).
Suction head in the fuel tank – Every 50 hours (Monthly)
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The felt filter (1) of the suction head is used to filter
the fuel required by the carburetor.
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A periodical visual inspection of the felt filter is to be
conducted. For that purpose, open the tank cap, use
a wire hook and pull out the suction head through the
tank opening. Filters found to have hardened, been
polluted or clogged up are to be replaced.
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Insufficient fuel supply can result in the admissible
maximum speed being exceeded. It is therefore
important to replace the felt filter at least quarterly
to ensure satisfactory fuel supply to the carburetor.
Cleaning of muffler exhaust port – Every 50 hours
(Monthly)
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Check of muffler exhaust port (2) regularly.
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If it is clogged by carbon deposits, carefully scratch
the deposits out with a suitable tool.
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Do not allow carbon to fall into engine ports.
Replace fuel lines: Every 200 hours (Yearly)
Overhaul engine: Every 200 hours (Yearly)
Replace packings and gaskets with new ones: Every time
