1978 Johnson 175, 200, 235 HP Outboard Service Manual, Page 137Get this manual
bIf plate, megaphone, inner exhaust and outer housings and adapter have been disassemble, reassemble using new gaskets and OMC Gasket Sealing CompoundSee Figure 6- 25If water tube and grommet were removed, insert new grommet, and install water tubePosition as shown in Figure 6-115If seals on exhaust housings are being replaced, apply OMC adhesive "M" to metal surfaces to retain seals dBring exhaust housing into position with steering bracket and lower mount bracketSee Figure 6-113Coat attaching screw threads with OMC Screw Lock and attach exhaust housing to steering and lower mount bracketTorque screws to speCifications in Section 2