1976 Evinrude 200 HP Outboards Service Manual, PN 5199, Page 70Get this manual
REMOVAL OF POWER HEAD FROM EXHAUST HOUSING aRemove electric starter and solenoid as described in Section 7bRemove air silencer, fuel pumps, carburetors, and intake manifold as described in Section 3cRemove flywheel, stator, timer assembly, electrical component brackets, and ignition coils as described in Section 4dRemove cylinder heads and exhaust covers as described in paragraph "Inspect Cylinder Walls and Pistons" on page 5-5eDisconnect power head ground lead on starboard sideRemove front rubber mount screws (port and starboard)See Figure 5-14fLoosen bellcrank screw and nut sufficiently to disconnect shift rod connector from bellcrankSee Figure 5-141Cylinder head cover
Gasket Seals Thermostat Thermostat cover Pressure valve Spring
Figure 5-13Thermostat and Pressure Valve
CLEANING, INSPECTION AND REPAIR aThoroughly clean the cover and cylinder head gasket surfaces to remove traces of sealer and gasket materialbClean and inspect pressure valve, spring and thermostatReplace any damaged component