1998+ Mercury Mariner 25HP Bigfoot Service Manual, Page 164Get this manual

CARBURETOR
USA SN 0T409000 and Up, Belgium SN 0P153500 and Up:

- USA SN 0T408999 and Below, Belgium SN 0P153499 and BelowUSA SN 0T409000 and Up, Belgium SN 0P153500 and Up

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