Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 90Get this manual

Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 90

CARBURETOR
Carburetor Disassembly
1Remove drain screw and drain the carburetor before disassembly
2Remove the float bowl
3Remove the idle stop screw and pilot jet

a Drain ScrewO-Ring Seal Float BowlGasketScrew (2)

fPilot JetIdle Stop ScrewSpring Pilot Screw i-Spring