Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 155Get this manual
9 Coat cylinder bore with 2-cycle oilMatch piston assembly with cylinder it was removed from, and position piston as described belowPush piston into cylinder
12Tighten connecting rod bolts (using 516 in- 12 point socket) First torque to 151bin(1.7 N'm) then 30 lbft(40 .7 Nm)Tum each bolt an additional 90 after 2nd torque is attained Recheck alignment between rod cap and rod as shown
aPiston Ring Compressor (9 1-623237)
aConnecting Rod Screws
t oApply Quicksilver Needle Bearing Assembly Lubricant to bearing surface of connecting rod and install bearing assembly, as shown11 Place connecting rod cap on connecting rodApply light oil to threads and face of connecting rod boltsThread connecting rod bolts finger-tight while checking for correct alignment of the rod cap as shown IMPORTANT: Connecting rod and connecting rod caps are matched halvesDo not torque screws before completing the following procedure