Kubota WG1605 Manual

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Kubota Engine Training:
WG1605, spark ignited

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WG1605 Engine Training:
System Overviews
Mechanical Components
Electronic Components and Sensors
Operation
Service Tool

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Fuel System Overview:

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Fuel System Overview:

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System Overview - Gaseous:
ECI ECM
LPG TANK FUEL
FILTER
ELECTRIC
LOCK OFF
MANUAL
VALVE
DUAL STAGE
REGULATOR
EPR
MIXER
AIR FILTRATION
SYSTEM
ETB
INTAKE MANIFOLD
EXHAUST MANIFOLD
CATALYST
ECT
OIL
TMAP
IGNITION
COIL PACK
CCK
CPK
HEGO
HEGO
- +
BATTERY
STARTER
ALTERNATOR
INSTURMENT
PANEL
TPS 1&2
KNK
CAN
FRESH AIR
LIQUID FUELHIGH PRESSURE
LOW PRESSURE FUEL
AIR FUEL MIXTURE
ENGINE COOLANT
EXHAUST GASES
ECI00001 REV A

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System Overview - Gasoline:

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System Overview - Dual Fuel:
ECI ECM
LPG TANK
FUEL
FILTER
ELECTRIC
LOCK OFF
MANUAL
VALVE
DUAL STAGE
REGULATOR
EPR
MIXER
AIR FILTRATION
SYSTEM
ETB
INTAKE MANIFOLD
EXHAUST MANIFOLD
CATALYST
ECT
OIL
TMAP
IGNITION
COIL PACK
CCK
CPK
HEGO
HEGO
- +
BATTERY
STARTER
ALTERNATOR
INSTRUMENT
PANEL
TPS 1&2
KNK
CAN
FRESH AIR
LIQUID LPG FUEL HIGH PRESSURE
LPG LOW PRESSURE FUEL
LPG AIR FUEL MIXTURE
ENGINE COOLANT
EXHAUST GASES
ECI00003 REV A
GASOLINE FUEL RAIL
GASOLINE
TANK
FUEL
FILTER
ELECTRIC
FUEL
PUMP
RETURNLESS
FUEL
PRESSURE
REGULATOR
SELECT
SWITCH
FPP
GASOLINE SUCTION
GASOLINE PRESSURE
GASOLINE REGULATED

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Mechanical Components:
WG1605 engines are similar to V1505.
Some differences include:
Intake and exhaust manifolds.
Positive Crankcase Ventilation system.
Pistons.
Cylinder heads and valves.
Crankcase, Camshaft.

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Intake & Exhaust Manifolds:
Exhaust manifolds are
shielded and engineered
for higher temperatures
Intake
manifolds use
longer runners

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Positive Crankcase
Ventilation (PCV) System:
PCV
Valve
Controls
amount of
blow-by gas
and fresh air.