1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 126Get this manual
POWERHEAD REASSEMBLY Apply Quicksilver Mu lt ipurpose Lub rican to bearing surfa ce of connecting rod and install bearing cage and roller bearings as shownTorquing Connecting Rod Bolls
IClean bolt with solve nt to remove oil nd dr wit compressed air before appl ying Locti te2Add drop of loclile ype 271 to th reads of screws3Thread connecting rod screws finger- tight whi le checking for correcting alignme nt of the rod cap4Tighten screws (using12 point soc keteven ly in th ree progressive sleps until torqued
Assembled View of Connecting Rod
Torque Specification
5 16" 18 Th read SizeTorque to 180 LhsIn Then rn Screw an EXIra 180 (112) Turn38" -24 Thread Si7.eTorque to 360 LbsIn Th en Turn Sc rew an Exira 90 (1) TurnRotate crankshaft several times (usi ng po wer head sta ndto assure free opera ion (n binds or catchi ng)17776