Yamaha EF1000iS Owner's Manual - Specifications
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Unit
EF1000iS
Type
Forced air cooled 4-stroke gasoline OHV
Cylinder Arrangement
Vertical 1 cylinder
Displacement
cm
3
50
Bore
× Stroke
mm (in)
41.0
× 38.0 (1.61 × 1.50)
Rated Output
kW(HP)/r/min
1.21 (1.67)/5,000
Operation Hours at rated operation
Hr
4.3
Fuel
Unleaded gasoline
Fuel Tank Capacity
L (Imp gal, US gal)
2.5 (0.55, 0.66)
Engine Oil Quantity
L (Imp qt, US qt)
0.32 (0.28, 0.34)
Ignition System
TCI
Spark Plug: Type
CR4HSB (NGK)
Spark Plug:
Gap
mm (in)
0.6–0.7 (0.024–0.028)
Noise Level*
dB (A)
57
Unit
EF1000iS
AC Output
Rated Voltage
V
120
Rated frequency
Hz
60
Rated current
A
7.5
Rated Output
VA
900
Safty Device: Type
Electronic
DC Output
Rated voltage
V
12
Rated current
A
8
Safety Device: Type
DC protector
Unit
EF1000iS
Overall Length
mm (in)
450 (17.7)
Overall Width
mm (in)
240 (9.4)
Overall Height
mm (in)
380 (15.0)
Dry Weight
kg (lb)
12.7 (28.0)
AE00701
SPECIFICATIONS
AE00702
DIMENSIONS
AE00704
ENGINE
AE00707
GENERATOR
*
: Measured at rated operation from 7 m (23 ft) distance.
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