1975 Evinrude 40 HP Outboards Service Manual, PN 5093, Page 46Get this manual
CONNECTING RODS The connecting rods provide linkage between the piston and crankshaftConnecting rod bearings include roller bearing at the wrist pin, and split cage roller bearing at the crankshaftThe crankshaft is of the two-throw type and is supported by three main bearingsA single row roller bearing is used at the upper journalA split cage roller bearing at the center journal is aligned to the cylinder block by dowel pinA ball bearing at the bottom journal absorbs the radial and vertical thrust loads of the crankshaft FUEL PUMP UPPER AND FILTER CYLIND ER CARBURETOR CYLINDER HEAD AND
mum speed of 3000 RPMMark the surfac to be checked with the StikThe mark will appear dull and chalkyWhen the surface te mpe rature reaches the temperature rating of the Stik, the mark will elt, becoming liquid and glossy in appearance On some painted surfaces on which the Stik will not eave mark, it will be necessary to hold the Stik against the surfaceSee Figure 5-3
A 163 Thermomelt Stik is necessary to check the engine With the engine at operating temperaturethe 163 mark should not melt