Mercury OptiMax 250 - Page 36

DIRECT FUEL INJECTION
Page 3B-36
90-888438 JUNE 2002
3. Remove fuel, water and air hoses from fuel rail.
00137
00136
c
a
b
f
d
e
Port Top Fuel Rail Connections Starboard Top Fuel Rail Connections
a-Water Inlet Hose to Compressor
b-Retainer
c-Allen Screws (remove)
d-Air Hose
e-Retainer
f-Allen Screws (remove)
00139
00138
a
b
c
d
f
g
e
Port Bottom Fuel Rail Connections Starboard Bottom Fuel Rail Connections
a-Water Inlet Hose to Fuel Rail
b-Air Hose
c-Allen Screws (remove)
d-Fuel Hose
e-Air Hose
f-Allen Screws
g-Fuel Hose
NOTE: It is recommended that direct injectors remain in the cylinder head (if they are not
to be replaced) while removing the fuel rail. The direct injectors have a teflon seal which
may expand if the injector is removed from the head. This expansion may cause rein-
stallation difficulty or require the replacement of the seal.
4. Remove 2 nuts securing fuel rail.