1968 Evinrude Starflite 100 HP outboards Service Manual, Page 63Get this manual
DESCRIPTION RUBBER MOUNTS AND SEALS There are two exhaust housings: an inner housing or exhaust tube; and an outer housing enclosed by combination of front and rear cover assembliesThe outer exhaust housing, which carries the power head by means of the adapter plate, "floats" inside the front and rear covers on five rubber mounts and the exhaust tube seal ringTwo of the rubber mounts support the adapter plate and power head at the top of the front exhaust cover, and the three other rubber mounts support the outer exhaust housing at the bottom of the front exhaust coverIn this way all power head and driveshaft vibrations are completely isolated and are prevented from being transmitted to the stern bracket and the boat transomIn addition, the rubber seal ring positions the outer exhaust housing within the rear exhaust cover and also prevents water and exhaust gases from rising above this pointSee Figure 6-1SHOCK ABSORBERS Two hydraulic shock absorbers are mounted between the swivel bracket and stern bracket to reduce the