– 37 –
E
INSP
ADJ
FUEL SYSTEM
WARNING
For worldwide
ı
• Before measuring the fuel pressure, make
sure the breather nut
a
is tightened
securely.
• Do not loosen the breather nut while
measuring the fuel pressure. Loosening
the breather nut will cause fuel to spray
out creating a fire hazard.
• After measuring the fuel pressure, cover
the end of the hose with a clean, dry rag,
point the hose downward, and then
loosen the breather nut to drain the
remaining fuel from the hose and gauge.
• When storing the fuel pressure gauge,
make sure the breather nut is tightened
securely.
3030
ı
CHECKING THE FUEL PRESSURE
(MECHANICAL FUEL PUMP)
Measure:
• Fuel pressure sensor output voltage
Out of specification
→
Check the high-
pressure fuel line.
Measuring steps
(1) Remove the flywheel magnet assem-
bly cover.
(2) Connect the test harness between the
fuel pressure sensor and the wire har-
ness as shown.
(3) Start the engine, run it at idle speed.
(4) Measure the fuel pressure sensor out-
put voltage.
(5) Install the flywheel magnet assembly
cover.
Fuel pressure sensor output
voltage
Pink (P) – Black (B)
2.8 - 3.2 V
Test harness (3-pin)
YB-06769 / 90890-06769
B
P
O
3040
Summary of Contents for 60F
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