Yamaha Generators Detailed Information for the EF6600DE -



MODEL
Model / Model Code	EF6600DE / 7RH
Primary I.D. Number	7RH-220101
SIZE AND WEIGHT:
Physical Dimensions ( L x W x H )	35.2" x 20.5" x 20.1"
Dry Weight	194 lbs
SERVICE LITERATURE:
Owner's Manual	LIT-19626-00-81
Service Manual	LIT-19616-00-73
ENGINE:
Engine Type	4-Stroke, OHV, Air-Cooled
Bore x Stroke	78mm x 63mm
Number Cylinders / Displacement	1 / 357cc
Piston Skirt Clearance New / Max	0.015-0.029mm / 0.15mm
Valve Clearance (cold): Intake	0.10mm
Exhaust	0.10mm
Oil Type	Yamalube 4, 10W30
Oil Change Only	1100cc (1.2qt)
FUEL TANK:
Capacity	21L (5.5 gal)
Fuel Type	Unleaded Regular
COOLING SYSTEM:
Cooling Type	Air Cooled
CARBURETOR:
Manufacture / Type	Mikuni / BV26-21
Main Jet / Pilot Jet / Pilot Screw (Turns Out)	#98.8 / #63.8 / 1-1/2
Float Height	14.9mm
Idle rpm	3750 + or 50
GENERATOR:
Type	Brushless
Phase	Single
Maximum AC Output	6600 Watts
Rated AC Output	6000 Watts
Rated AC Current	50 Amps @ 120V / 25 Amps @ 240V
DC Output	N/A
Frequency	60 Hz
Coil Resistance (W+10%)
Main Coil	Br-R 0.16W / Br-L 0.47W
Sub Coil	G-G 0.34W
Exciter Field Coil	W-B 4.5W
DC Coil	N/A
Rotor:
Main Field Coil	29.6W
Exciter Armature Coil	1.6W
Run Time ~	8 hrs
Noise Level	73.5 dB
CHARGING SYSTEM (Electric Start Models Only):
Battery: Model / Specific Gravity	12V26AH / 1.280
Battery: Charge Rate	2.6 Amps
Maximum Output	14.5V @ 3600 RPM
Charge Coil Color Code / W	W-Grd 1.3W / Gr-Grd 0.9W
IGNITION SYSTEM:
Ignition System	T.C.I (Transistor Controlled Ignition)
Ignition Timing	25 deg @ 3600 rpm
Spark Plug Type	NGK BPR4ES
Spark Plug Gap	0.7 ~ 0.8mm
Spark Plug Cap W	5kW + or 15%
Ignition Coil Test Gap	6mm
PrimaryW / Secondary W	1.2W + or- 20% / 11.7kW + or 10%
TORQUE VALUES:
Flywheel Nut	M18: 12m-kg(85 ft-lb)
Cylinder Head	M10: 5m-kg (36 ft-lb)
Spark Plug	M14: 2mkg(14 ft-lb)
Crankcase Cover	M8 2.9 m-kg(21 ft-lb)
Rotor Bolt	M8: 3 m-kg (22 ft-lb)
Connecting Rod	M8: 2 m-kg (14 ft-lb)