Honda CB900F Service Manual page 134

FUEL SYSTEM (Programmed Fuel Injection)
FUEL FLOW INSPECTION
Remove the seat (page 2-21 .
Open and support the front end of the fuel tank
(page
3-151.
Disconnect the fuel cut relay connector.
FUEL CUT RELAY
Check the wire
color when
you select the
fuet
cut relay.
5-46
Jump the Brown and BlackIVVhite wire terminals of
the wire harness side using a jumper wire .
When the fuel return hose is disconnected, gasoline
will spill out from the hose . Use an approved gaso
M
line container to drain the gasoline.
Wipe off spilled gasoline.
Disconnect the fuel return hose at the fuel tank, plug
the fuel tank inlet joint .
Turn the ignition switch ON for 10 seconds.
Measure the amount of fuel flow.
Amount of fuel flow :
256
ern-
18.7 US
oz.
9.0 Imp oz) minimum
/10 seconds at 12 V
If the fuel flow is less t han specified, inspect the
following:
- Pinched or clogged fuel hose and fuel return hose
- Clogged fuel filter
- Pressure regulator
- Fuel pump (page
5-471
After inspection, connect the fuel return hose .
Start the engine and check for leaks.
JAM PER WIRE