Fuel Pump - Honda SH125 Manual

FUEL SYSTEM (Programmed Fuel Injection)
FUEL PRESSURE INSPECTION
Remove the luggage
box
(page 2-5).
Remove the hose clamp bolt.
Disconnect the fuel feed hose from the fuel pump
after relieving the fuel pressure (page 5-31).
Connect the pressure gauge, gauge manifold and
gauge hose between the fuel pump and feed hose.
TOOLS:
Pressure gauge manifold 07ZAJ-S5A0110
Connect the fuel pump 5P connector.
Start the engine and let
it
idle, and read the fuel
pressure.
STANDARD: 294 kPa (3.0 kgf/cm2, 43 psi)
If the fuel pressure is higher than the specified pres-
sure, replace the fuel pump.
If
the fuel pressure is lower than the specified pres-
sure, inspect the following:
- fuel line leaking
-
fuel pump (page 5-33)
Remove the pressure gauge, manifold and hose.
Install the feed hose clamp and tighten the bolt.
Connect the fuel feed hose (page 5-32).
Fuel pressure gauge 07406-0040003
Pressure gauge hose 07ZAJ-S5A0120
FUEL FLOW INSPECTION
Remove the frame body cover (page 2-5).
Disconnect the fuel feed hose from the fuel pump
after relieving the fuel pressure (page 5-31
1.
Remove the fuel pump relay.
Short the Black/white and Brown wire terminals o f
the relay connector with a jumper wire.
Connect the fuel pump 5P connector.
PRESSURE GAUGE
BlacWwhite
f-
B r o wn
) R
Front
+
5-33