Mercury Mariner Service Manual 6, 8, 9.9 210CC Sailpower, Page 78Get this manual
Bleed System 1Check rubber bleed hoseReplace if deteriorating or leaking2Check operation of check valvesAir!fuel should only pass from check valves in intake manifold! reed block and crankcase to carburetorReplace defective check valves
Crankshaft
1Support crankshaft in press and install lower crankshaft ball bearing (a)(open side of ball retainer facing crank) using powerhead stand (b) with bearing sleeve (c) Bearing inner race must be firmly seat"ld against crank shoulder742-H
Powerhead Reassembly
General
Before proceeding with powerhead reassemblybe sure that all parts to be reused have been carefully cleaned and thoroughly inspectedas outlined in "Cleaning and Inspection", preceding Partswhich have not been properly cleaned (or which are questionable)can severely damage an otherwise perfectly good powerhead within the first few minutes of operationNew gaskets MUST BE installed during reassemblyDuring reassemblylubricate parts with Quicksilver Formula 50-0 2-Cycle Outboard Lubricant whenever "light oil" is specifiedQuicksilver part numbers of lubricants, sealers and locking compounds are listed under "Lubricants and Sealers" preceding torque wrench is essential for correct reassembly of powerhead DO NOT attempt to reassemble powerhead without using torque wrench Attaching bolts for covers and housings MUST BE torqued by tightening bolts in progressive steps (following specified torque sequence) until specified torque is reachedPowerhead torques are listed under "Torque Specifications" preceding 2Install snap ring (a)