Yamaha EF4500iSE Theory & Diagnostics Manual page 88

Yamaha Generator Theory & Diagnostics Guide
GENERAL SPECIFICATIONS
Model code number
1
Dimensions:
Overall length
Overall width
Overall height
Dry weight
2
Engine:
Engine type
Cylinder arrangement
3 Displacement
Bore × Stroke
Compression ratio
Rated output 60 Hz · kW (PS) / 5,000 r / min 2.5 (3.4)
4
Rated engine speed
Operating hours
1/4 rated load
W / rated load
5
Fuel
Fuel tank capacity
Engine oil capacity
Engine recommended oil
6
7
Electrical:
Ignition system
Ignition timing
Spark plug type
Spark plug gap
Generator:
Type
Initial excitation
Driving method
Rated power factor
GENERAL SPECIFICATIONS
SPECIFICATIONS
Unit
mm (in)
mm (in)
mm (in)
kg (lb)
L (cm )
3
mm (in)
r / min
60 Hz · Hrs
L (lmp gal, US gal)
L (lmp qt, US qt)
mm (in)
7CF2
527 (20.7)
419 (16.5)
461 (18.1)
32 (70.5)
4-stroke OHV forced air cooled
1
0.171 (171)
66.0 × 50.0 (2.60 × 1.97)
8.5 : 1
3,200
8.6
5.0
Unleaded regular gasoline
6.0 (1.32, 1.59)
0.6 (0.53, 0.63)
4-stroke engine oil API service classification
SE or SF, if not available, SD
TCI
BTDC 23°±3°
BPR4ES (NGK)
0.7 ∼ 0.8 (0.028 ∼ 0.031)
Multi pole rotating field magnet
Permanent magnet
Direct connection
1
3-12
7-1
SPEC
EF2400iS
(5W-30)
1
2
3
4
5
6
7