I would like to know what is the purpose of the crank case air. Is that to operate the VRO pump? Does gas get into that? I am thinking of putting an electric fuel pump instead of using the VRO. Can I block off that crank case air nipple? Thanks.
Is there anyone who knows why my 1985 VRO 90 HP outboard loses power when I am at full Throttle. Here the thing...I pre mix my oil/gas 50:1 and using the vro pump as a stand alone pump. When I am up on plane my motor is like going to lose power and then pick it up again. This happens often...
