Mercury Optimax 250 Manual page 38

DIRECT FUEL INJECTION
FUEL INJECTOR REMOVAL
1. Remove 2 screws securing injector.
NOTE: Use a cotter pin extractor tool in pry holes to remove injectors.
2. Gently pry up on injector to loosen o-ring adhesion and remove injector.
a
a -
b -
3. Inspect fuel injector orifices for foreign debris; o-rings for cuts or abraisions and plastic
components for heat damage. Replace components as required.
4. An ohm test of the fuel injector may be made by connecting test leads to injector termi-
nals. Ohm reading should be 1.8
a
a
c
c
a -
b -
c -
Page 3B-38
57970
Screws
Pry Holes
b
b
56124
Fuel Injector
Fuel Nozzle
O-Rings
0.1 ohm.
b
57967
56002
90-888438 JUNE 2002