Yamaha EF2000iS Manuel D'atelier page 261

Carburetor:
Type
I.D. mark
Bore size
Main jet
Main air jet
Pilot air jet
Pilot outlet
Valve seat size
Main nozzle
Pilot jet
Pilot screw
Throttle valve
Float height "H"
Throttle control motor resistance
ELECTRICAL
Electrical:
Ignition system
Ignition timing
Spark plug type
Gap
Secondary coil resistance
Spark plug cap resistance
Minimum spark gap
Charge coil
Pulsar coil
MAINTENANCE SPECIFICATIONS
mm (in)
BV16-12
7DX 00
ø12
#67.5
ø1.4
ø1.0
ø0.7
ø1.5
57 A
#37.5
2 - 3/4 turns out.
#130
17.0 (0.67)
(Ω ± 7 %) 250
BTDC 10° ± 3° at 1,000 r/min
BPR6HS (NGK)
0.6 – 0.7 (0.02 – 0.03)
(kΩ ± 10 %) 3.25
kΩ 3.75 – 6.25
mm (in) 6 (0.24)
(Ω ± 10 %) 350
(Ω ± 10 %) 15
7-6
23° ± 3° at 3,000 r/min
30° ± 3° at 4,000 r/min
33° ± 3° at 5,000 r/min
SPEC