Yamaha EF1000iS, Service Manual

Page: 94 / 109

7-1
GENERAL SPECIFICATIONS
SPEC
SPECIFICATIONS
GENERAL SPECIFICATIONS
Unit EF1000iS
Model code number 7VV2
Dimensions:
Overall length mm (in) 450 (17.7)
Overall width mm (in) 240 (9.5)
Overall height mm (in) 380 (15.0)
Dry weight kg (lb) 12.7 (27.9)
Engine:
Engine type 4-stroke OHV forced air cooled
Cylinder arrangement 1
Displacement L (cm 3 ) 0.050 (50)
Bore
×
Stroke mm (in) 41.0
×
38.0 (1.61
×
1.50)
Compression ratio 8.2 : 1
Rated output 60 Hz · kW (PS) / 5,000 r / min 1.21 (1.65)
Rated engine speed r / min 5,000
Operating hours 60 Hz · Hrs
W / no load 12.0
W / rated load 4.3
Fuel Unleaded regular gasoline
Fuel tank capacity L (lmp gal, US gal) 2.5 (0.55, 0.66)
Engine oil capacity L (lmp qt, US qt) 0.32 (0.28, 0.34)
Engine recomended oil 4-stroke engine oil API service classification
SE or SF, if not available, SD
Electrical:
Ignition system TCI
Ignition timing BTDC 33
°
Spark plug type CR6HSA (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