Evinrude 1994, 90 HP (Jet) Recirculation hoses

[Captain Ed in LJ]

I?ve been researching the posts on recirculation hoses but, everyone seems to have 4, fittings/hoses coming from the cylinders.

This 1994, Evinrude 90 HP (from a jet boat, now on my outboard) has only three fittings, Two on the starboard side, one on the port.

There is only 4, check valves on the intake manifold, nothing to the top bearing. From what I understand the check valves in the manifold flow from the crankcase, correct?

Does any one have the diagram for this? I have the 4, fitting diagram from the manual, but this doesn?t help.

Do all the fittings on the cylinders flow both ways?

 

[wilde1j]

Re: Evinrude 1994, 90 HP (Jet) Recirculation hoses

OEM shop manual usually has three or four reference powerhead photos that show all houses, wire bundles, etc. It also has a cooling water flow diagram.