Fuel Pressure Relief Procedure - Suzuki DF 90 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 ignition coil primary lead wire connector from
all ignition coils.
4. Crank engine 5 – 10 times (3 seconds each time) to dissi-
pate 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
without pressure).
6. Upon completion of servicing, connect ignition coil primary
lead wire and high pressure fuel pump lead wire.
FUEL SYSTEM 5-3