Chrysler 100, 115 and 140 HP Outboard Motors Service Manual, OB 3439, Page 136Get this manual

Chrysler 100, 115 and 140 HP Outboard Motors Service Manual, OB 3439, Page 136

Inspection and RepairPower Head NOTE
Refer to specification section for dimensions1Remove carbon from exhaust ports and all exhaust passagesusing cleaning solution or rotary brush Special Tool NoT 2991
CResurface cylinder head, if it is only slightly warpedlay sheet of No120 emery cloth on the glass and slide cover around in figure motionexerting light and even pressure DExamine gasket surface areahigh spots will be dulllow spots unchanged Continue until entire gasket surface has dull finishFinish off with No 180 emery cloth Figure 31
Carbon build up restricts exhaust gases and greatly reduces engine performance2Clean all dried cement off gasket surfaces with lacquer thinner
AWARNING
Wear safety glasses when compressed airworking with

3Wash all parts in solventDry with compressed air 4I nspect crankshaft bearings and seals as follows :

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