Honda VFR800F 2014 Service Manual page 138

FUEL SYSTEM
FUEL PRESSURE TEST
NOTE:
.
Check the
fuel tank-to-EVAP canister
hose (AC'
ll
AC types) or fuel tank breather hose
(lll
CM type)
for
bends
or pinches when the
fuel tank is lifted'
Disconnect
the
quick connect fitting from the fuel tank
(page 7-5).
Attach
the
special
tools
between the fuel
feed hose and
joint
pipe
of
the
fuel pumP.
Except
U.S.A.
TOOLS:
[1]
Fuel
pressure
gauge
07406'0040004
[2] Pressure gauge
manifold
07ZAJ'S5A0111
[3]
Hose
attachment,
g
mm/9
mm
07ZAJ'S5A0120
[4] Hose
attachment,8 mm/9
mm
07ZAJ'S7C0100
[5]
Attachment
joint,
S
mm/9
mm
07ZAJ'S7C0200
U.S.A.
TOOLS:
Fuel
pressure gauge
Pressure
manifold hose
Adaptor, male
Adaptor, female
07406-004000C
or
07406-0040008
OTAMJ-HW3A1OO
OTAAJ-S6MA3OO
OTAAJ-S6MA5OO
Temporarily connect
the
battery negative
(-)
cable.
Starl the
engine and let
it idle.
Read the
fuel
pressure.
STANDARD: 343 kPa (3.5
kgf/cm'?,50
psi)
lf the fuel pressure
is
higher than specified
pressure,
replace the
fuel pump
unit.
lf the fuel pressure
is
lower
than specified
pressure,
inspect the following:
-
fuel line
for leakage
-
fuel
tankto-EVAP
canister
hose
(AC,
ll AC
types) or
fuel tank breather hose
(lll
CM type)
for pinches or
clogs
-
fuel
filter
(in
fuel
pump) for
clogs
-
fuel
pump (page
7-B)
After inspection, relieve the
fuel
pressure (page 7-5).
Disconnect
the
negative
(-)
cable
from
the
battery
(page
19-6).
Remove the special tools.
Connect the
quick
connect
fiiting (page 7-6).
7-7