Mercury Mariner Service Manual 6, 8, 9.9 210CC Sailpower, Page 66Get this manual
3Remove bolts (a) and nuts (b) Powerhead Disassembly
Cylinder Block
1Remove bolts (a) and remove intake manifold reed block (b)
4Rock powerhead to break gasket and lift powerhead from drive shaft housing 5Place powerhead on bench or powerhead stand mounted in vice
IMPORTANT: Reed block can be inspected without disassemblingRefer to "Cleaning and Inspection", followingIf inspection of reed block indicates that replacement of part is necessary, disassemble reed block as outlined, immediately following