Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 216Get this manual
Powerhead Torque Sequence and Torque Specifications CRANKCASE COVER BOLTS
CYLINDER HEAD BOLTS (AND TORQUE SEQUENCE) IMPORTANT Add light oil to threads and bolt face: Bolts 1S and 20Torque to 30 lbft(40.5 Nm) and rotate 90 All other boltsTorque to 20 lbft(27.0 N.m) and rotate 90
Add light oil to threads and bolt face: Bolts (M10 1.5 SO) 30 lbft(40.5 Nm) and rotate 90
14 Bolts (MS 1.25 35) 2S.0 lbft(37.9 Nm)