Thank you sir, you just solved my problem. I followed your video exactly (i have a 1999 Johnson 70 so same wiring) and it worked perfectly. I'm running 50:1 and it runs like a dream. Thanks Rusty.
I have a 1980's Evinrude that was smoking horribly. I took it to a mechanic who said it had to be repowered because the rings were gone. I did exactly what you said and the smoke stopped and it's running like a champ! Thanks!
Great video look forward to more ! The origional owner of mine had VRO removed when it was new at the dealers recommendation, they blocked it off on the insidie of the case instead of cutting the hose, I sold the unused oil tank and hoses and box of bits that went with it on ebay for $75 when I got the boat which paid for a shiny new pull tube for the kids...
Yes take out the oil reservoir to reduce weight and free up some space. Yes the pump will still pump fuel but no oil. No the low oil will not work (and there is no need for it to work), don't forget to premix!!!! Yes the overheat alarm will still work. Happy boating
My family boat has a 1996 Johnson 60 on it, it used to use VRO oil injection and it caused nothing but trouble.. now it's just premixed and it runs perfectly
Short answer - the fuel pump. The fuel pump and the oil mixer pump are in the one housing. The job of the vro is to pump oil and mix it with the fuel which is being delivered by the fuel pump.
Thestevedenton, that's a tricky question, because so many things can go wrong in the vro system. Just do the disconnect, change to premix, and see how it runs. So there is no need to change the vro pump if it is pumping fuel ok. Most times, it is not the fuel pump that upsets the overall vro system
The two wires are sheathed, so you will only be able to confirm their colour when you can look at the ends at the connecting point. It will be easier to find it if you undo the tank bracket so that you can lift the tank to look under it easily. (It does have the motor mounted oil tank?) The sensor will just look like a sheathed wire plugged into a circular mounting point. Once you lift the oil tank it will be either the oil pipe or the sensor wire. Just follow wire and unplug it.
Yes you can disconnect the VRO. It works the same way. Maybe the wires will be routed differently - but it works on the same principal. Just a tip for all people reading this. Check that the fuel pump side is working ok before attempting this. This procedure only helps if there is a problem with the oil delivery system. If she ain't pumping the fuel, then premixing wont help! Good luck.
When a VRO system (pump and all the hoses) goes bad it is often because of an air leak (more likely in a hose joint). So that means that the fuel is being mixed with air even before it gets into the carbs, or injectors. So at regular idle there is not enough fuel getting through to maintain the idle. With the throttle wide open the fuel pump can dump enough fuel into the motor to keep up a "fake" fast idle.
I have been certified since 1990 and actually took the VRO course in OB1 at Rancho Cordova. There are not 100 parts in a VRO. It has two chambers , a check valve and two springs. The pump is driven by crank pulses. At slow speed , the pulses are strong enough to only compress the light spring therfor mixing at 100 to 1. The fact is the small orifice exposed at slow speed that supplies carbs cant over oil. It's impossible and if you have a large fuel tank on a real boat the oil savings is big.
I acquired a 1997 model year 35hp with the oil injection apparently disconnected. I was hoping to get it working again. Thanks for being a voice of reason, I've been reading up on the VRO and it seems incompetence from owners is the main reason for removing them.
@mnkelsner Thanks, hope I can think of some more common problems to fix. Your story reminds me of my previous 87 Johnson 60hp. It stalled an left me stuck a 100 yards from the boat ramp, straight from having it serviced. I took it back to the mechanic and told him I wasn't Fn happy and to fix it properly. When I returned he presented me with the disconnected VRO tank and said "there, now it will be reliable." And he was right!
@hingindorf The pump is mechanically driven, it is not electrical. The wires are for the alarm etc. So if the wires are not unplugged the alarm will sound because there is no oil.
@blairmoss You only have to check that the filter element is suitable. I take it your water separator is the Racor type with the filter at the top and the bowl to catch the water at the bottom. Just double check yours to be sure. You can definately get filters for premix. Let me know if you have any probs. Cheers
With the VRO electrically disconnected what causes the fuel mixture to go from the tank to the carbs . ,That is, what pumps the fuel mixture to the the carbs.
@koers12 Even if they are not exactly the same in terms of where things are placed, just do the 3 key things - disconnect the black and tan wires from the oil res, disconnect the oil line and plug it, and look for the lead coming from the VRO that has 4 wires and that funny D shaped plug. Watch the video to see what colours they are. Cheers
obviously you have to mix oil and fuel in the tank after this. I have an inline filter water seperator and was wondering does oil clog or foul up the filter? Thanks
Ur right....why bother with a stupid vro pump when its actually cleaner. $500 dollars for a new one and $200 for a cheap one. I have 2 tanks, gonna use one with leaner 100% synthetic oil at the dock for even less smoke, then switch out tanks when out of the boat landing area. Its a little more work but as long as my partner shuts the *** up I wont forget to switch tanks and run out of fuel.. Thanks Rust. !!
You disconnect the wiring from the oil reservoir and You disconnect the three wirings from the VRO-pump. Plug the oil-line, and then You pre-mix oil and fuel in the tank. I guess You then use the VRO-pump (just the fuel-side) and pump the pre-mixed fuel from the tank, but what is powering the pump since You disconnected the three wirings from the VRO-pump?
Yes, the alarm sounds when engine cold I tried disconnecting the temp sensor The oil tank is full I did not check the oil tank sensor. Is it in the tank? THANKS FOR YOUR HELP
Calculate how much oil should be in a full tank. Then add that amount of oil to the tank and then top up the tank with fuel - this will mix the oil and fuel. Then disconnect the fuel line at the tank and drain the line back into a bucket. If the fuel line has some length, put it over the side of the boat so that there is no spillage into the bilge.
The vid was 9 years ago have you still got the moter and does it still run well? Definatly considering this as a cheaper option for my 89, 110 evenrude majorly down on power has only had 2 runs in it since I bought it previous owner didnt do any maintenance 2nd run had alot more power after spray cleaner put thru but curious to know if its lasted all these years cheers any way thank you
Hi. It's been 4 years since this video. How is the motor running now? I've been thinking on disconnecting my VRO for some time now because is putting up too much oil and my plugs are getting swamped. Always wandered about performance in the long run. Cheers and great video.
Different to Johno. Oil pump seperate from fuel pump. Is alarm sounding when engine cold - maybe faulty temp sensor, or check oil tank has enough oil, if it has - maybe faulty oil tank sensor. If you want to go premix then put some premix in fuel tank. Follow oil line from oil tank to oil pump. Disconnect oil line and plug with bolt and clamp. The oil sensor wires are light blue/black and have bullet style connections. Locate sensor wire on oil tank but disconnect them at other end. Rusty.
I'm confused so how does a bad vro pump cause your engine to idle at like 6500? Is it because it's pumping too much oil the you have to lift the fast idle lever all the way to keep it running?
Hey! I'm just wondering. Going to try this on Thursday but if you disconnect the wires to the vro how does the fuel pump get powered? Where does it get it's voltage from?
My boat recently broke down on the water and we had to be towed. The fuel bulb was cracked so we bypassed the bulb straight to the engine. We were able to get her started, but as we ran the boat it started losing power in spurts eventually died on us. We were able to get it started 1 more time in which smoke started shooting out of the back, we shut it down and were unable to start it after that. We had to be towed to the docks. Cleaned the carburetors and the engine started. When I cleaned the carbs they were full of fuel and oil mixture which seemed to contain more oil than fuel. Other than that they were pretty clean i side. After putting the carbs back on and starting the engine, unfortunately there is still allot of smoke coming out of the back. I ran the engine for a couple of minutes, off and on for a total of around 4-6 minutes. I have a 1996 Johnson 2 stroke outboard with a seperate VRO Oil tank. Do you know what the problem may be that is causing all the smoke. Your help would be greatly appreciated. Thanks
Chris Williams unfortunately, the whole point of this video is that there could be literally hundreds of reasons (by that I mean things like air leaks and the like) why the VRO system is not working correctly. So the easy way out, and most reliable solution is to disconnect it. Premix your fuel and oil in the tank and away you go. Too easy.
Did you pull the plug with the 4 wires up from somewhere or is that where it was?,,the video blacked out for a second...I have a 96 40hp but its probably the same as yours
Well, I don't think that tach is very accurate...Don't really think the VRO can cause high idle either, but the disconnect procedures are simple. These engines tend to run wild on a flushette with no back pressure. The beauty of this system is that it doesn't have to be used! You just must be careful that no one accidentally dumps straight fuel in the tank. Air leaks in the fuel inlet side of the system will cause the VRO to over oil, which is why running the engine isn't recommended.
Yes sensor is mounted under tank. But it is a little fiddlly/fragile so be very careful. Maybe try disconnecting at the other end, it has a light blue/black wire combination. Of course this why I created the video, so people would not have to go on long goose chases.....
Buena pregunta. No estoy seguro, y ya no tengo ese motor. Lo más probable es que sí, ya que conectaron un cable común a la bocina de la alarma. La única alarma que podría considerar instalar sería la alarma de motor caliente. Esto se arreglaría mejor agregando un sensor de temperatura real al bloque del motor y conectando un cable a un indicador de temperatura en el timón. El sensor estándar es solo un interruptor termostático de encendido y apagado, en realidad no mide la temperatura. Los otros 3 sensores son 1. sin aceite, 2. bajo nivel de aceite (en el tanque) y 3. restricción de combustible. Dado que se está eliminando el sistema de aceite, los dos primeros están obsoletos. La restricción de combustible parece un poco innecesaria, nunca he visto uno en un automóvil o camión y hacen muchas más horas.
I have a 98 Johnson 35hp outboard. No issue with smoking, but gas is getting into the oil reservoir on the motor. Is this the same process to bypass the fuel injection system and just run mixed fuel?
@Petterjunior that's the whole point. I want to go boating, not spend my time looking for mechanics. Finding an air leak in a VRO system can be very expensive if you are payinf for a mechanic to find it. Like I say in the video - 30 minutes, no cost, happy boating!
I have a 1989 evinrude 150 xp smoking bad checked for fuel leaks can't find any it's just adding to much oil I would assume could I remove it on a 150?
Yep, and they all follow the same steps, just sometimes the parts look a little different. If you are unsure just search for it on UA-cam - I saw one for a 1996 Evinrude 150.
I have a question please help I have a 70 Johnson motor and the motor cranks good and idles good also but when I do full throttle my engine shuts down ! Any idea of what can it be ?
Check that the breather valve on the fuel tank is fully open and unobstructed. Sometime the breather can close a little which allows the motor to run a idle, but won't allow the motor to get enough fuel at full throttle.
@kiasoul10 If you had actually watched the video to the end you would've seen it drop to 1500rpm and it was still falling. That's within 50 seconds from a cold start.
Sad thing is, it probably wasn't a bad VRO. Probably an air leak on the fuel side - which made the engine lean (high reving) and smoky, since it was getting a full shot of oil, but a gas charge mixed with air from the leak. Oh, well.......
There are 100s of parts in the VRO SYSTEM. The delivery of premixed fuel and oil to the cylinder involves all the bits and pieces from the fuel and oil tanks to the VRO pump itself. You have only described the parts within the PUMP - not the SYSTEM. You could have a perfectly working pump but still have issues triggered by other parts of the system. Unfortunately, like overly complex modern cars, once the wear and tare sets in, it can make it almost impossible to maitain without huge cost.
Off the point, but I didnt see a single comment about running that motor without any source of water. You have approximately 8-10 seconds before any given part of that engine is now shot. PEOPLE DO NOT RUN YOUR OUTBOARD LIKE THIS!
Bullshit, water is feeding up through the ear muffs, standard equip and standard routine for flushing. Get your eyes checked. No wonder you didn't see any comments...
VRO is terrible, the idea of it is great, but its just a bad design and is not reliable, not even omc can tell you at what rpms the oil ratio is ??? thats why they give you the little yellow plugs from new to close of the oil side and use premix at 50 to 1 ratio. people try and say they have good vro, no that is a lie, they do not know what ratio is getting to the internals at a given rpm, say 4,000 rpm what is the ratio ? well it is variable so you cannot be sure.. these motors were designed for 50 to 1.. vro was just an easy way out to get the motors to pass emmisions.. if a vro pump stops working then simply revert back to premix and use an old style pump for reliability... you wont regret it..... old style pumps are very cheap and easy to service. then use vro oil tank as a spare back up fuel tank or leave it at home... I would never ever trust any vro pump even if it was brand new...
@breanna819100 (It took me a few hours to work it out!!!!!) Yep, me, the misses and the Johnson!!!! I think she married me because I had a "Big ol' Johnson!!!!!!!!"
I replaced the oil feed line and I haven't had any more issues with the alarm but I was still wanting to delete the system. Will this also disable the oil alarm or is there something separate you have to do so the alarm doesn't go off constantly
Thank you sir, you just solved my problem. I followed your video exactly (i have a 1999 Johnson 70 so same wiring) and it worked perfectly. I'm running 50:1 and it runs like a dream. Thanks Rusty.
I have a 1980's Evinrude that was smoking horribly. I took it to a mechanic who said it had to be repowered because the rings were gone. I did exactly what you said and the smoke stopped and it's running like a champ! Thanks!
Love it. Happy boating!
Great video look forward to more !
The origional owner of mine had VRO removed when it was new at the dealers recommendation, they blocked it off on the insidie of the case instead of cutting the hose, I sold the unused oil tank and hoses and box of bits that went with it on ebay for $75 when I got the boat which paid for a shiny new pull tube for the kids...
Yes take out the oil reservoir to reduce weight and free up some space. Yes the pump will still pump fuel but no oil. No the low oil will not work (and there is no need for it to work), don't forget to premix!!!! Yes the overheat alarm will still work.
Happy boating
My family boat has a 1996 Johnson 60 on it, it used to use VRO oil injection and it caused nothing but trouble.. now it's just premixed and it runs perfectly
This worked great and just like the video, my motor is now like a new motor with little smoke and lower RPM without fouled plugs.
Thanks, this really helped me identify the correct wires to disconnect!!
@Cwynn83 Yes $900 is better spent on fuel, beer, bait and tackle. Just remember to premix your fuel. Cheers Rusty.
When you disconnect the D shaped plug, as shown in the video, that should stop the oil warning buzzer.
Thanks! Followed, found and disconnected with no trouble
Short answer - the fuel pump.
The fuel pump and the oil mixer pump are in the one housing. The job of the vro is to pump oil and mix it with the fuel which is being delivered by the fuel pump.
Thestevedenton, that's a tricky question, because so many things can go wrong in the vro system. Just do the disconnect, change to premix, and see how it runs. So there is no need to change the vro pump if it is pumping fuel ok. Most times, it is not the fuel pump that upsets the overall vro system
The two wires are sheathed, so you will only be able to confirm their colour when you can look at the ends at the connecting point. It will be easier to find it if you undo the tank bracket so that you can lift the tank to look under it easily. (It does have the motor mounted oil tank?) The sensor will just look like a sheathed wire plugged into a circular mounting point. Once you lift the oil tank it will be either the oil pipe or the sensor wire. Just follow wire and unplug it.
Also have a look at my disconnecting the vro on a 140hp. Cheers, sent the pic.
Yes you can disconnect the VRO. It works the same way. Maybe the wires will be routed differently - but it works on the same principal. Just a tip for all people reading this. Check that the fuel pump side is working ok before attempting this. This procedure only helps if there is a problem with the oil delivery system. If she ain't pumping the fuel, then premixing wont help! Good luck.
When a VRO system (pump and all the hoses) goes bad it is often because of an air leak (more likely in a hose joint). So that means that the fuel is being mixed with air even before it gets into the carbs, or injectors. So at regular idle there is not enough fuel getting through to maintain the idle. With the throttle wide open the fuel pump can dump enough fuel into the motor to keep up a "fake" fast idle.
I have been certified since 1990 and actually took the VRO course in OB1 at Rancho Cordova. There are not 100 parts in a VRO. It has two chambers , a check valve and two springs. The pump is driven by crank pulses. At slow speed , the pulses are strong enough to only compress the light spring therfor mixing at 100 to 1. The fact is the small orifice exposed at slow speed that supplies carbs cant over oil. It's impossible and if you have a large fuel tank on a real boat the oil savings is big.
I acquired a 1997 model year 35hp with the oil injection apparently disconnected. I was hoping to get it working again. Thanks for being a voice of reason, I've been reading up on the VRO and it seems incompetence from owners is the main reason for removing them.
@mnkelsner Thanks, hope I can think of some more common problems to fix.
Your story reminds me of my previous 87 Johnson 60hp. It stalled an left me stuck a 100 yards from the boat ramp, straight from having it serviced. I took it back to the mechanic and told him I wasn't Fn happy and to fix it properly. When I returned he presented me with the disconnected VRO tank and said "there, now it will be reliable." And he was right!
@hingindorf The pump is mechanically driven, it is not electrical. The wires are for the alarm etc. So if the wires are not unplugged the alarm will sound because there is no oil.
Your a legend rusty thanks for the video
@blairmoss You only have to check that the filter element is suitable. I take it your water separator is the Racor type with the filter at the top and the bowl to catch the water at the bottom. Just double check yours to be sure. You can definately get filters for premix. Let me know if you have any probs. Cheers
With the VRO electrically disconnected what causes the fuel mixture to go from the tank to the carbs . ,That is, what pumps the fuel mixture to the the carbs.
@koers12 Even if they are not exactly the same in terms of where things are placed, just do the 3 key things - disconnect the black and tan wires from the oil res, disconnect the oil line and plug it, and look for the lead coming from the VRO that has 4 wires and that funny D shaped plug. Watch the video to see what colours they are. Cheers
TNX for the vid !! Can you tell me which wire I need to disconnect, by-pass or what ever , to stop the warning alarm system buzzer ?? Thank you.
obviously you have to mix oil and fuel in the tank after this. I have an inline filter water seperator and was wondering does oil clog or foul up the filter?
Thanks
Thank you I Have a 1998 Johnson 175 can still be done?
Ur right....why bother with a stupid vro pump when its actually cleaner. $500 dollars for a new one and $200 for a cheap one. I have 2 tanks, gonna use one with leaner 100% synthetic oil at the dock for even less smoke, then switch out tanks when out of the boat landing area. Its a little more work but as long as my partner shuts the *** up I wont forget to switch tanks and run out of fuel..
Thanks Rust. !!
You disconnect the wiring from the oil reservoir and You disconnect the three wirings from the VRO-pump. Plug the oil-line, and then You pre-mix oil and fuel in the tank. I guess You then use the VRO-pump (just the fuel-side) and pump the pre-mixed fuel from the tank, but what is powering the pump since You disconnected the three wirings from the VRO-pump?
Yes, the alarm sounds when engine cold
I tried disconnecting the temp sensor
The oil tank is full
I did not check the oil tank sensor. Is it in the tank?
THANKS FOR YOUR HELP
sounds like it wasn't getting oil and running on dry gas. you just run mix now? no difference in the way it runs? thanks for the vid!
Did you reclaim the last of the oil??
And what fuel oil ratio do you run it at now?
The pumps are basically mechanical driven off the one shaft, the wires are for the alarm.
Merci beaucoup mon ami tu m'as beaucoup aidé aujourd'hui 👌👍💯🇳🇨
Bon voyage...
Calculate how much oil should be in a full tank. Then add that amount of oil to the tank and then top up the tank with fuel - this will mix the oil and fuel. Then disconnect the fuel line at the tank and drain the line back into a bucket. If the fuel line has some length, put it over the side of the boat so that there is no spillage into the bilge.
If I premix my gas and oil in the fuel tank will my fuel filters be okay?
Yes, the fuel filter will allow the oil to pass.
Is disconnecting a VRO system on a 1998 mercury 60hp outboard the same?
The vid was 9 years ago have you still got the moter and does it still run well? Definatly considering this as a cheaper option for my 89, 110 evenrude majorly down on power has only had 2 runs in it since I bought it previous owner didnt do any maintenance 2nd run had alot more power after spray cleaner put thru but curious to know if its lasted all these years cheers any way thank you
Hi. It's been 4 years since this video. How is the motor running now? I've been thinking on disconnecting my VRO for some time now because is putting up too much oil and my plugs are getting swamped. Always wandered about performance in the long run. Cheers and great video.
Different to Johno. Oil pump seperate from fuel pump. Is alarm sounding when engine cold - maybe faulty temp sensor, or check oil tank has enough oil, if it has - maybe faulty oil tank sensor. If you want to go premix then put some premix in fuel tank. Follow oil line from oil tank to oil pump. Disconnect oil line and plug with bolt and clamp. The oil sensor wires are light blue/black and have bullet style connections. Locate sensor wire on oil tank but disconnect them at other end. Rusty.
I'm confused so how does a bad vro pump cause your engine to idle at like 6500? Is it because it's pumping too much oil the you have to lift the fast idle lever all the way to keep it running?
Hey! I'm just wondering. Going to try this on Thursday but if you disconnect the wires to the vro how does the fuel pump get powered? Where does it get it's voltage from?
Ciarán Cronin it's mechanically driven. The wires at mostly for oil alarms etc.
I think I runs off engine vacuum
@TheSarniboy1 50 to 1. Use 2 stroke oil.
My boat recently broke down on the water and we had to be towed. The fuel bulb was cracked so we bypassed the bulb straight to the engine. We were able to get her started, but as we ran the boat it started losing power in spurts eventually died on us. We were able to get it started 1 more time in which smoke started shooting out of the back, we shut it down and were unable to start it after that. We had to be towed to the docks. Cleaned the carburetors and the engine started. When I cleaned the carbs they were full of fuel and oil mixture which seemed to contain more oil than fuel. Other than that they were pretty clean i side. After putting the carbs back on and starting the engine, unfortunately there is still allot of smoke coming out of the back. I ran the engine for a couple of minutes, off and on for a total of around 4-6 minutes. I have a 1996 Johnson 2 stroke outboard with a seperate VRO Oil tank. Do you know what the problem may be that is causing all the smoke. Your help would be greatly appreciated.
Thanks
Chris Williams unfortunately, the whole point of this video is that there could be literally hundreds of reasons (by that I mean things like air leaks and the like) why the VRO system is not working correctly. So the easy way out, and most reliable solution is to disconnect it. Premix your fuel and oil in the tank and away you go. Too easy.
Did you pull the plug with the 4 wires up from somewhere or is that where it was?,,the video blacked out for a second...I have a 96 40hp but its probably the same as yours
No, that's where it sits on the 60hp. I just dug in there to show that it connects to the back of the VRO. Good luck.
@@tapmad ok thanks
Well, I don't think that tach is very accurate...Don't really think the VRO can cause high idle either, but the disconnect procedures are simple. These engines tend to run wild on a flushette with no back pressure. The beauty of this system is that it doesn't have to be used! You just must be careful that no one accidentally dumps straight fuel in the tank. Air leaks in the fuel inlet side of the system will cause the VRO to over oil, which is why running the engine isn't recommended.
Yeah there is a big difference - no more problems - just goes and keeps going! ;)
Yes sensor is mounted under tank. But it is a little fiddlly/fragile so be very careful. Maybe try disconnecting at the other end, it has a light blue/black wire combination.
Of course this why I created the video, so people would not have to go on long goose chases.....
how do I change a water pump on a 93 70hp evinrude
Hola , desconectar la ficha en forma de D no afecta a las otras alarmas ? Gracias
Buena pregunta. No estoy seguro, y ya no tengo ese motor. Lo más probable es que sí, ya que conectaron un cable común a la bocina de la alarma. La única alarma que podría considerar instalar sería la alarma de motor caliente. Esto se arreglaría mejor agregando un sensor de temperatura real al bloque del motor y conectando un cable a un indicador de temperatura en el timón. El sensor estándar es solo un interruptor termostático de encendido y apagado, en realidad no mide la temperatura. Los otros 3 sensores son 1. sin aceite, 2. bajo nivel de aceite (en el tanque) y 3. restricción de combustible. Dado que se está eliminando el sistema de aceite, los dos primeros están obsoletos. La restricción de combustible parece un poco innecesaria, nunca he visto uno en un automóvil o camión y hacen muchas más horas.
Could this procedure work on a 1986 90 hp Johnson?
I can not find a light blue/black wire combination wire on my 1998 mercury 60hp Bigfoot outboard motor, oil tank or oil pump.
whats the premix? 100 to 1 or 50 to 1? 2-stroke
I have a 98 Johnson 35hp outboard. No issue with smoking, but gas is getting into the oil reservoir on the motor. Is this the same process to bypass the fuel injection system and just run mixed fuel?
David Siegrist if there is a bit of hose between the Res and the vro then yes you should be able to do it.
Hi will this bring the low oil alarm on?
@Petterjunior that's the whole point. I want to go boating, not spend my time looking for mechanics. Finding an air leak in a VRO system can be very expensive if you are payinf for a mechanic to find it. Like I say in the video - 30 minutes, no cost, happy boating!
I have a 1989 evinrude 150 xp smoking bad checked for fuel leaks can't find any it's just adding to much oil I would assume could I remove it on a 150?
Yep, and they all follow the same steps, just sometimes the parts look a little different. If you are unsure just search for it on UA-cam - I saw one for a 1996 Evinrude 150.
Can someone please help me my only question is can I just disconnect the hose that goes to the VR oh and leave all the wires alone
Sure you can... but when you go boating wear ear muffs so that you can't hear the 'no-oil' alarm going off. That would ruin your day, lol.
I have a question please help I have a 70 Johnson motor and the motor cranks good and idles good also but when I do full throttle my engine shuts down ! Any idea of what can it be ?
Check that the breather valve on the fuel tank is fully open and unobstructed. Sometime the breather can close a little which allows the motor to run a idle, but won't allow the motor to get enough fuel at full throttle.
Thats seems to be fully open !! Any idea of what else can it be ?
Mine did that it was the waterpump it was overheating so the motor shuts itself down to prevent damage
@kiasoul10 If you had actually watched the video to the end you would've seen it drop to 1500rpm and it was still falling. That's within 50 seconds from a cold start.
connect cable rpm direct motor?
Sad thing is, it probably wasn't a bad VRO. Probably an air leak on the fuel side - which made the engine lean (high reving) and smoky, since it was getting a full shot of oil, but a gas charge mixed with air from the leak. Oh, well.......
Isn't your VRO your fuel pump also?
+BigWater59 No, they are just in the same housing, but separate.
@tapmad pre mix ratio 50:1 ? cheers
How do I mik 50 oi 1
How doo I mix 50/1
Thnx.
Thank you for useful info.
You rpms was way to high blow the motor running that high on start up
There are 100s of parts in the VRO SYSTEM. The delivery of premixed fuel and oil to the cylinder involves all the bits and pieces from the fuel and oil tanks to the VRO pump itself. You have only described the parts within the PUMP - not the SYSTEM. You could have a perfectly working pump but still have issues triggered by other parts of the system. Unfortunately, like overly complex modern cars, once the wear and tare sets in, it can make it almost impossible to maitain without huge cost.
@blairmoss yep 50:1
Don't forget to mix the oil into the gasoline.
Off the point, but I didnt see a single comment about running that motor without any source of water. You have approximately 8-10 seconds before any given part of that engine is now shot. PEOPLE DO NOT RUN YOUR OUTBOARD LIKE THIS!
Bullshit, water is feeding up through the ear muffs, standard equip and standard routine for flushing. Get your eyes checked. No wonder you didn't see any comments...
@@tapmad my bad. I just saw the faint pee stream coming out of the water port just now.
Rusty Stainless ok mr fuckin perfect
Dude get your eye-glasses on, there is coming water out of da engine :-DDD
You need to find a decent mech. you have an air leak on the oil injection .
You are running it on no water
No. Ear muffs on at the bottom of the leg.
VRO is terrible, the idea of it is great, but its just a bad design and is not reliable, not even omc can tell you at what rpms the oil ratio is ??? thats why they give you the little yellow plugs from new to close of the oil side and use premix at 50 to 1 ratio. people try and say they have good vro, no that is a lie, they do not know what ratio is getting to the internals at a given rpm, say 4,000 rpm what is the ratio ? well it is variable so you cannot be sure.. these motors were designed for 50 to 1.. vro was just an easy way out to get the motors to pass emmisions.. if a vro pump stops working then simply revert back to premix and use an old style pump for reliability... you wont regret it..... old style pumps are very cheap and easy to service. then use vro oil tank as a spare back up fuel tank or leave it at home... I would never ever trust any vro pump even if it was brand new...
@breanna819100 (It took me a few hours to work it out!!!!!) Yep, me, the misses and the Johnson!!!! I think she married me because I had a "Big ol' Johnson!!!!!!!!"
The pumps are mechanically driven, so the oil side is still actually going, just no oil going in.
What about the annoying alarm? Will this disable the alarm as well? I have a 1996 johnson 50hp
Yes, in regards to low oil. But maybe you have an overheat warning?
No my pump is working good it's not over heating when I heard the alarm I would squish the prime bubble on the oil feed and it would go off
I replaced the oil feed line and I haven't had any more issues with the alarm but I was still wanting to delete the system. Will this also disable the oil alarm or is there something separate you have to do so the alarm doesn't go off constantly
Yes, it will stop the oil alarm.
Alright awesome thank you 👍