Fuel Pressure Relief Procedure - Suzuki DF 40 Service Manual

FUEL PRESSURE RELIEF PROCEDURE

After making sure that engine is cold, relieve fuel pressure as
follows.
1. Turn OFF ignition switch.
2. Disconnect high pressure fuel pump lead wire connector at
high pressure fuel pump.
3. Disconnect the ignition coil primary lead wire connector from
all ignition coils.
4. Crank the engine 5 – 10 times (3 seconds each time) to
dissipate fuel pressure in lines.
5. Make sure fuel pressure has been removed by pinching high
pressure fuel hose with finger tips (line should feel soft with-
out pressure).
6. Upon completion of servicing, connect ignition coil primary
wire and fuel pump wire.
FUEL SYSTEM 5-2