Inspection - Mercury FourStroke 2.5 Service Manual

Inspection

1. Clean the main jet, main nozzle, and pilot jet with a suitable solvent. Dry all components thoroughly with compressed air
before installation.
a
2. Inspect the tip of the inlet needle and pilot mixture screw for wear.
a
3. Inspect the idle circuit passage and the inlet seat.
b
4. Inspect the float arm for wear at the location where it contacts the inlet needle.
90-8M0065421 NOVEMBER 2012
b c
a -
b -
b
50776
a
a - Main nozzle
b - Main jet
c - Pilot jet
50775
Inlet needle
Pilot mixture screw
a - Idle circuit passage
b - Inlet seat
50777
50778
Carburetor and Fuel Pump
Page 3A-19