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Troubleshooting
If further assistance is required, contact your local authorized Maruyama service dealer.
Maintenance Period
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: Service to be performed by an authorized Maruyama engine dealer.
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: Service more frequently under dusty conditions.
NOTE:
The service intervals indicated are to be used as a guide.
Service to be performed more frequently as necessary depending on operating condition.
Use Maruyama standard 50:1 two-cycle engine oil.
Every
Every
Every
Maintenance
Daily
20 hours 50 hours 100 hours
Check and replenish fuel
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Check for fuel leakage
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Check bolts, nuts and screws for tightness or missing
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Check engine idle speed adjustment
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Clean air filter element
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Tighten bolts and nuts
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Clean spark plug and adjust electrode gap
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■
Remove dust and dirt from cylinder fins
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Remove carbon deposits in exhaust port
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Clean spark arrester
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Replace fuel filter
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Remove carbon deposits on piston head and combustion chamber
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Remove carbon deposits in transfer ports
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Replace fuel tube, fuel tank cap gasket
It is recommended to replace every 3 years
STOP switch set to off position
Empty fuel tank
Primer bulb wasn’t pushed enough
Engine flooded
Cause
Engine Will Not Start
Problem
Move switch to on position
Fill fuel tank
Press primer bulb until fuel flows
through fuel return line
Use warm engine starting procedure
Action
Idle speed set incorrectly
Engine Will Not Idle
Set idle speed
Throttle wire has come loose
Dirty air filter
Clogged spark arrester or exhaust port.
Engine Lacks Power or Stalls
WhenCutting
Tighten throttle wire
Clean or replace air filter
Clean spark arrester or exhaust port.