Evinrude 90 hp

[hoggsback]

Anyone heard of disconnecting the VRO on the motor? I heard these units can go out and by the time you discover this, the motor seizes. Anyone have experience with this? Good idea or not? I would have to mix my fuel in the tank, but I have external tanks anyway.

[marine_man]

Here's a thread that talks about that same topic:

VRO Pump

What year is your motor?

marine_man

[jps]

I think doing away with the system your talking about was quite common. I have a 1982 90 HP. This year still had to have the oil mixed with the gas. I remember seeing a lot of shelled out engines with the system your talking about was popular.I am not sure what you do other than just add oil to the gas! Good luck. jps

[hoggsback]

I'm not sure. A few of the model #'s and serial #'s are unreadable. Something scraped through them and I can't read it. I've looked elsewhere for the model # but can't find it. Did they stamp it inside the cover anywhere?

Thanks for the thread. I had searched the site but no luck.

[marine_man]

The model number is a tough one... the S/N is usually stamped on a welch plug in the block, typically toward the head side of the block.

marine_man

[Eric Wettschreck]

I had the same difficulty finding my model #. It's either on a plate on the left side of the transom holder or it's on a welch plug.

My nameplate was gone but I found the model # on the welch plug.

[Valv]

Judging from the motor look, remote control, etc I would say your motor is late '80s and mid '90s, consequently it is a VRO setup.

[hoggsback]

I'll check the welch plug then. The plate on the transom is what is scraped. Thanks guys.

[solbes]

I've got an '84 90 HP Evinrude and still use the VRO. I have heard of these problems though and sometimes wonder about it.

I decided that if it's going to fail after 23 years then so be it. Runs like a champ and I'm not going to mess with it.