Fuel Pressure Relief Procedure - BOMBARDIER Johnson 90 Service Manual

FUEL SYSTEM
PRECAUTION ON FUEL SYSTEM SERVICE
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 fingertips (line should feel
soft without pressure).
6. Upon completion of servicing, connect ignition coil pri­
mary lead wire and high pressure fuel pump lead wire.
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