1968 Evinrude Ski-Twin, Ski-Twin Electric 33 HP Outboards Service Manual, Page 40Get this manual
RODS The connecting rods provide linkage between the piston and crankshaftConnecting rod bearings include bearing at the wrist pin, and split cage bearing at the crankshaftThe crankshaft is of the two-throw type and is supported three main bearingssingle row bearing is used at the journalsplit cage bearing at the center journal is aligned to the cylinder block dowel pinbearing the bottom journal absorbs the radial and vertical thrust loads of the crankshaft 3000 RPMMark the surface to checked with the StikThe mark dull and chalkyWhen the surface temperature reaches the temperature rating of the Stik, the mark melt, becoming liquid and glossy in some painted surfaces which the Stik not leave markit necessary to hold the Stik against the surface Se Figure 5-3
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Thermomelt Stik is necessary to check the With the engine at operating temperaturemark should not melt
UPPER LIN DE YLIND ER
Figure 5-2Power Head, Port Side COOLING SYSTEM Water for engine cooling is supplied singlestage containing impeller At low speeds, the operates as full displacement At higher speeds, the impeller blades bend back under the increased water pressure and the becomes centrifugal action