Mercury FourStroke 2.5 Service Manual page 74

4. Install the pilot jet.
5. Install the pilot mixture spring and screw.
6. Turn the pilot mixture screw until it is seated. Then back the screw out the same number of turns as measured during
removal.
7. Install a tamperproof plug. Refer to the parts manual for the part number.
a - Tamperproof plug
b - Pilot mixture screw
c - Spring
8. Install the main nozzle and main jet.
90-8M0065421 NOVEMBER 2012
a
Carburetor and Fuel Pump
50771
c
b
50772
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