Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 96Get this manual
CARBURETOR
Carburetor Disassembly
1Remove drain screw and drain the carburetor before disassembly2Remove the float bowl3Remove the idle stop screw and pilot jet
aDrain ScrewO-Ring SealFloat BowlGasketScrew (2) j
- Pilot JetIdle Stop ScrewSpringPilot ScrewSpring