1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 243Get this manual

1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 243

GEAR HOUSING
2Install lubrication sleeve

aSleeve 3Install upper drive shaft bushing assembly using Drive Shaft Bushing Tool
NOTE: The upper drive shaft bushing is pressed into sleeveIf the bushing is not worn into the sleeve or the bushing is not spinning within the sleeve, the bushing alone may be replacedPress the new bushing into the sleeve using suitable mandrelIf the sleeve is damaged, the bushingsleeve assembly must be replaced53030