Troubleshooting
Problem
Cause
Action
Engine Will Not Start
STOP switch set to off position
Move switch to on position
Empty fuel tank
Fill fuel tank
Primer bulb wasn't pushed enough
Press primer bulb until fuel flows
through fuel return line
Engine flooded
Use warm engine starting procedure
Engine Will Not Idle
Idle speed set incorrectly
Set idle speed
Engine Lacks Power or Stalls When
Throttle wire has come loose
Tighten throttle wire
Cutting
Dirty air filter
Clean or replace air filter
Clogged spark arrester or exhaust port.
Clean spark arrester or exhaust port.
I
f
fllrther assistance is required, contact your local authorized Maruyama seI'vice dealer,,
Maintenance Period
Every
Every
Every
Maintenance
Daily
20 hours
50 hours 100 hours
Check and replenish fuel
•
Check for fuel leakage
•
Check bolts, nuts and screws for tightness or missing
•
Check engine idle speed adjustment
•
■
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
in exhaust port
•
•
Clean spark arrester
•
Replace fuel filter
•
•
Remove carbon deposits on piston head and combustion chamber
•
•
Remove carbon deposits in transfer ports
•
Replace fuel tube, fuel tank cap gasket
It is recommended to replace every 3 years
e: Service to be performed by an authorized Maruyama engine dealer
■:
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
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