My friend has lower unit eaking oil from his prop area. I guess I need to replace a shaft seal. Does anyone have an assembly drawing they could scan and email or fax me. His manual is not in yet. It is a 1979 Mercury 175 HP. Thanks<br /><br />bmurray@hydromat.com (or) bmurray@jcn1.com<br />fax 314-692-5169