Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 289Get this manual
14Remove drive shaft housing from swivel bracket by pulling alternately from top to bottom on housing15Remove upper and lower mounts by lifting them out of drive shaft housingReassembly and Installation 1Apply thin coat of 2-4-C Marine Lubricant onto inside portion of exhaust tube seal and water tube grommet2Install exhaust tube seal into drive shaft housing with tapered side of seal facing up3Position drive shaft housing to plate gasket on top of housing4Position leather bumper on steering arm