1978 Johnson 4HP outboards Service Manual, Page 85Get this manual
25-35 HP CONT 9.915 HP
CARBURETOR BODY
WATER PUMP SERVICE
35 HP dApply OMC Adhesive "M" and insert new water tube grommet in impeller housingBe sure no adhesive gets inside to block water passagesSee Figure 6-7Install new seal in water pump housingSeal is installed from the bottom of housing with lip facing up towards powerhead
bCheck for correct positioning of flo atTurn carburetor body ups ide down so weight of flo at closes ne edleTop of fl oat should be pa allel with rim of casting See Figure 3-22
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