Yamaha EF4500iSE Theory & Diagnostics Manual page 174

Yamaha Generator Theory & Diagnostics Guide
GENERAL SPECIFICATIONS
Model code number
Dimensions:
Overall length
Overall width
Overall height
Dry weight
Engine:
Engine type
Cylinder arrangement
Displacement
Bore × Stroke
Compression ratio
Rated output
Rated engine speed
Operating hours
W/no load
W/rated load
Fuel
Fuel tank capacity
Engine oil capacity
Engine oil grade
Electrical:
Ignition system
Ignition timing
Spark plug type
Gap
Generator:
Type
Initial excitation
Driving method
Rated power factor
Frequency variation
Instantaneous
Settling
Settling time
GENERAL SPECIFICATIONS
SPECIFICATIONS
Unit
mm (in)
mm (in)
mm (in)
kg (lb)
L (cm
mm (in)
60 Hz · kW (PS)/3,600 r/min
r/min
60 Hz · Hrs
L (Imp gal, US gal)
L (Imp qt, US qt)
mm (in)
YG2800i
7VU2
487 (19.2)
395 (15.6)
425 (16.7)
29 (63.9)
4-stroke OHV forced air cooled
1
3
) 0.171 (171)
66.0 × 50.0 (2.60 × 1.97)
8.5:1
3.3 (4.4)
3,550
24.9
7.7
Unleaded regular gasoline
11.2 (2.46, 2.96)
0.6 (0.53, 0.63)
4-stroke engine oil API service classification
SE or SF, if not available, SD
AC-CDI (Voltage)
BTDC 23 ± 1°
BPR4ES (NGK)
0.7 ~ 0.8 (0.028 ~ 0.031)
Multi pole rotating field magnet
Permanent magnet
Direct connection
1
Less than 1%
Less than 0.1%
Less than 1 sec
7
3-98
SPEC
(5W-30)