IDLING SPEED ADJUSTMENT
1. Idle speed is the only available adjustment.
2. Do not tamper with the carburetor setting to increase the maximum engine speed.
3. If adjustment is needed, have it performed by your authorized MARUYAMA service dealer.
Carburetor adjustments are made at the factory and are not adjustable without disassembling the
carburetor.
PERIODIC MAINTENANCE CHART
MAINTENANCE
Check and replenish fuel
Check for fuel leakage
Check bolts, nuts and screws
for looseness and loss
Clean fuel filter
★ Clean air filter element
Tighten bolts and nuts
Clean spark plug and adjust electrode gap
★ Remove dust and dirt from cylinder fins
Remove carbon deposits on piston head
M
and inside cylinder
Remove carbon deposits in the exhaust pipe
M
of muffler
M Clean net of spark arrester (if equipped)
Check the sliding portion of crankshaft,
M
connecting rod etc.
Fuel tube
Note: The service intervals indicated are to be used as a guide. Service to be performed more
frequently as necessary by operating condition.
M: Service to be performed by an authorized Maruyama engine dealer.
★ : Service more frequently under dusty conditions.
English
ADJUSTMENT
MAINTENANCE
WARNING
Always remove the spark plug cap from
spark plug when servicing the engine to
prevent accidental starting.
Daily
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It is recommended to replace every 3 years.
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Interval
First
Every
20 hours
20 hours
50 hours
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Every
Every
100 hours
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