Apr 13, 2009 · Re: 115 HP v4 VRO Johnson what is VRO? Variable Ratio Oiling This engine should have an oil tank under the cover (some may use a remote tank). It monitors load and …

May 9, 2013 · Re: To remove VRO or not to remove? You obviously feel that your VRO pump is old and its reliability is in doubt. VRO pumps do fail, some much younger than yours. It is a …

Dec 18, 2003 · Re: How reliable is the VRO system? It would be best to install a new VRO with all it's improvements compared to the 10 year old unit that you have. At the same time, clean out …

Jun 5, 2007 · Re: VRO Bypass Kit The VRO was a sketchy thing when Evinrude first developed it around 1984. It underwent about 9 different versions each one becoming more reliable. Mainly …

Jan 28, 2002 · Re: Vro pump, how to check The VRO is both a fuel pump and an oil pump - it is operated by an air motor which uses a diaphragm and rectifier valves to convert crankcase …

Jun 23, 2012 · Re: VRO Failure- What are the symtoms? Quick death or slow failure. my 150 vro seemed to quit immediatly,alarms worked. but I had just bought mine and there was silicone …

Jun 19, 2002 · Re: Somebody please explain what VRO is/does? All 2 strokes require oil to be mixed with gas for lubrication purposes. On older motors, and some newer by choice, you …

Jun 21, 2007 · Re: vro and how does it work? What year is your engine? You will most likely find the VRO pump attached to the breather box, the pump is black and has a bunch of fuel and oil …

Jan 15, 2010 · Re: How to remove VRO system? VRO conversion w/ pump still working if the fuel side on your Pump is still working it is very simple. unplug the 2 line harness going to the oil …

Jul 20, 2013 · Re: Conversion from VRO to non-VRO - '89 Evinrude 50 hook up particulars I plan to run new hoses so I simply cut these free from the VRO pump. Two of the hoses (top and …