Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 165Get this manual
CYLINDER BIOCK AND CRANKCASE
Powerhead Installation
1Secure powerhead (with new gasket) onto drive shaft housing using bolts (a)Torque bolts to 70 Ib-in(8 Nm)Powerhead Mounting Bolt Torque 70 Ib-in(8 Nm)
aPowerhead Mounting Bolts with Washers M6 30 mm (6) 2Install the following componentsassemblies referring to the listed service manual section(s)ComponenUAssembly Sectiond