Subaru EX21 - 2 Description of Fuel System

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2. DESCRIPTION OF FUEL SYSTEM
This engine is equipped with electronic fuel
injection.
The fuel system consists of a throttle body
assembly, power generation module, wire
harness, cylinder head air pulse hose, fuel
pressure return pipe and a fine mesh fuel filter.
The fuel system is calibrated after careful testing for optimum all-round performance (including
starting, acceleration, fuel consumption, output power characteristics). Special attention is also
paid to the general-purpose use of the engine.
(For further information, refer to page 9, section “5.THROTTLE BODY”.)
THROTTLE BODY A
Y
WIRE HARNESS CP
FUEL TANK CP
UNION
(FINE MESH FUEL FILTER)
FUEL PIPE
(FUEL INLET)
FUEL PIPE
(RETURN)
POWER COIL CP
ELBOW
SUS MESH
Throttle body assembly
Wire harness
Fuel pressure return pipe and a fine mesh fuel filter
Power generation module
Cylinder head air pulse hose