Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 167Get this manual
Crankcase Cover Installation 1Clean off all oil from the contacting surtaces aftha crankcase cover and cylinder blockIMPORTANT: Make sure the contacting surface of
3Apply oil to bolt threadsTighten bolts in sequence and in two steps to the specified torque
the crankcase cover and cylinder block are clean before applying gasket sealant2Apply smooth even coat of Loctite Master Gas
ket Sealant to the contacting surfaces on the crankcase coverUse small (paint type) rolier to
spread out the sealant for smooth even cover