1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 133Get this manual

CARBURETOR
CleaningInspectionRepair
1Inspect carburetor body for cracksdamagecontaminationReplaceclean as necessary
NOTE: Use petroleum based solvent for cleaningBlow out all passages with compressed air, never use wire
2Inspect jets and nozzle for contaminationReplace if necessary
a-Main Jet b-Pilot Jet c-Valve d-Main Nozzle

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives