Yamaha EF4500iSE - Inverter Generator, Theory & Diagnostics Manual

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3-12
Yamaha Generator Theory & Diagnostics Guide
7-1
GENERAL SPECIFICATIONS
SPEC
SPECIFICATIONS
GENERAL SPECIFICATIONS
Unit EF2400iS
Model code number 7CF2
Dimensions:
Overall length mm (in) 527 (20.7)
Overall width mm (in) 419 (16.5)
Overall height mm (in) 461 (18.1)
Dry weight kg (lb) 32 (70.5)
Engine:
Engine type 4-stroke OHV forced air cooled
Cylinder arrangement 1
Displacement L (cm
3
) 0.171 (171)
Bore
×
Stroke mm (in) 66.0
×
50.0 (2.60
×
1.97)
Compression ratio 8.5 : 1
Rated output 60 Hz · kW (PS) / 5,000 r / min 2.5 (3.4)
Rated engine speed
r / min 3,200
Operating hours 60 Hz · Hrs
1/4 rated load 8.6
W / rated load 5.0
Fuel Unleaded regular gasoline
Fuel tank capacity L (lmp gal, US gal) 6.0 (1.32, 1.59)
Engine oil capacity L (lmp qt, US qt) 0.6 (0.53, 0.63)
Engine recommended oil 4-stroke engine oil API service classification
SE or SF, if not available, SD
Electrical:
Ignition system TCI
Ignition timing BTDC 23
°
±3
°
Spark plug type BPR4ES (NGK)
Spark plug gap mm (in) 0.7
∼
0.8 (0.028
∼
0.031)
Generator:
Type Multi pole rotating field magnet
Initial excitation Permanent magnet
Driving method Direct connection
Rated power factor 1
1
2
3
4
5
6
7
1
2
3
4
5
6
7
7CF10-07 05.5.6 19:49 Page 1
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