Owner`s manual
Table Of Contents
- CONTENTS
- LOCATION OF IMPORTANT LABELS
- SAFETY INFORMATION
- CONTROL FUNCTION
- PRE-OPERATION CHECK
- OPERATION
- PERIODIC MAINTENANCE
- TROUBLESHOOTING
- STORAGE
- EXHAUST EMISSION CONTROL SYSTEM AND COMPONENTS
- SPECIFICATIONS
- WIRING DIAGRAM
- YAMAHA MOTOR CORPORATION, U.S.A. EF SERIES GENERATORS 3-YEAR LIMITED WARRANTY
- YAMAHA OUTDOOR POWER EQUIPMENT CALIFORNIA EVAPORATIVE EMISSION CONTROL WARRANTY STATEMENT
- YAMAHA MOTOR CORPORATION, U.S.A. SMALL OFF ROAD ENGINES CALIFORNIA EMISSION CONTROL WARRANTY
- YAMAHA EXTENDED SERVICE (Y.E.S.)

741-001
707-001
AE00845
PRE-OPERATION CHECK
Pre-operation checks should be made each time the
generator is used.
The engine and muffler will be very hot after the
engine has been run.
Avoid touching the engine and muffler while they
are still hot with any part of your body or clothing
during inspection or repair.
AE00856
FUEL
Make sure there is sufficient fuel in the tank.
Your Yamaha engine has been designed to use regu-
lar unleaded gasoline with a pump octane number ((R
+ M)/2) of 86 or higher, or research octane number of
91 or higher.
1 Fuel level gauge
WARNING
– 10 –
707-033a
1
Recommended fuel:
Unleaded gasoline
Fuel tank capacity:
Total: 9.7 L (2.55 US gal, 2.12 Imp gal)
2
“F” Full
3
“E” Empty
23
7DF-020
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