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.
If further assistance is required, contact your local authorized Maruyama service dealer.
Maintenance Period
Maintenance
Check and replenish fuel
Check for fuel leakage
Check bolts, nuts and screws for tightness or missing
1111
Tighten bolts and nuts
Clean air filter element
11111
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
1111: Service to be performed by an authorized Maruyama engine dealer.
11111: Service more frequently under dusty conditions.
NOTE:
The service intervals indicated are to be used as a guide.
Every
Daily
20 hours
•
•
•
•
It is recom
mended to
Service to be performed more frequently as necessary depending on operating condition.
Use Maruyama standard 50:1 two-cycle engine oil.
-US-43-
Every
Every
50 hours
100 hours
•
•
•
•
• •
• •
replace evE
ry 3 years