MAINTENANCE SCHEDULE
This sc
hedule applies to normal operating conditions. If you operate
your engine under severe conditions, such as sustained high-load or
high-temperature operation or use in unusually wet or dusty conditions,
consult a qualified technician for recommendations applicable to your
individual needs and use.
Regular Service
P
eriod
1
Before
Each
Use/
Daily
First
Month
or 20
Hours
3
months
or 50
Hours
6
months
or 100
Hours
Annual
or 300
Hours
Engine Oil Check
Change
X
---
---
X
---
X
Air Cleaner Check
Change
X
---
---
X
2
Spark Plug Clean /
Adjust
Replace
X
---
---
X
Idle Speed Check /
Adjust
X
Valve
Clearance
Check /
Adjust
X
Combustion
Chamber
Clean After every 500 Hours
Fuel Tank
and Filter
Clean X
Fuel Tube Check Every 2 years (replace if necessary)
1
For commercial use, log hours of operation to determine proper maintenance
intervals.
2
Service more frequently when used in dusty areas.
FUEL RECOMMENDATIONS
NOTICE! Do not use unapproved gasoline, such as E85.
Do no
t mix oil in gasoline or modify the engine to run on
alternate fuels. This can damage the engine components.
To protect the fuel system from gum formation, mix a fuel
stabilizer into the fuel.
This engine is certified to operate on unleaded gasoline with a
minimum of 87 octane/87 AKI (91 RON). Use gasoline without ethanol
or similar alcohol based additives. Gasoline with up to 10% ethanol
8953168 GASOLINE GENERATOR WITH ELECTRIC START V1.1
Assistance available at www.princessauto.com or 1-800-665-8685 Page 16
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