English
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ADJUSTMENT
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.
MAINTENANCE
PERIODIC MAINTENANCE CHART
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.
Always remove the spark plug cap
from spark plug when servicing the
engine to prevent accidental starting.
WARNING
:
MAINTENANCE
Interval
Daily
First Every Every Every
20 hours 20 hours 50 hours 100 hours
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
●
M
Remove carbon deposits on piston head
and inside cylinder
●
M
Remove carbon deposits in the exhaust pipe
of muffler
●
M Clean net of spark arrester (if equipped)
●
M
Check the sliding portion of crankshaft,
●
connecting rod etc.
Fuel tube It is recommended to replace every 3 years.
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