Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 233Get this manual

CYLINDER BLOCKCRANKCASE
5Disconnect inlet hose from fuel pump
a Inlet Fuel Hose
6Push retainer up and slide over to disengage the vertical shift shaft
a Retainer

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