Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 193Get this manual

CYLINDER HEAD
bInlet and outlet fuel pump hosescBreather hose
aInlet HoseOutlet HoseBreather Hose dCylinder head cover

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