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Author Topic:   Disconnecting VRO on Evinrude

jimithing posted 03-28-2002 03:42 PM ET (US)
Need some guidence on helping a friend disconnect the VRO system on his 1989 140. It currently works as far as we can tell but since he just bought the boat secondhand he would feel more comfortable mixing the gas himself.
First, is this recommended and second, how do you do it.
Finally, should I just go and get a shop book for this model and leave you people alone. Thanks as always in advance.

cjd posted 03-28-2002 03:55 PM ET (US)
Hey Jimi, Has that Force grown up? ;)
Actually undertaking the same project, and it is not covered in the shop manual. will read resonses with interest.
chris
where2 posted 03-28-2002 04:12 PM ET (US)
It's probably in the shop manual, if not in the engine owners manual. I'll look tonight (since both came with my BW).
The short version I recall was, take the engine cover off, look for the rubber cap on the plastic fitting clipped onto a fuel hose just above the fuel inlet lines. Take the rubber cap off, take the oil line off where it attaches to the engine, and put the rubber cap on the oil line fitting on the engine, attaching it with a small hose clamp. Mix Gas and oil at 50:1, and go.
The way to test the VRO to see if it is working is to add oil to your gas, then see if the oil level drops with everything still hooked up. If so, then stop mixing, change spark plugs after last mixed gas is spent, and go.
jimithing posted 03-28-2002 04:29 PM ET (US)
Hey cjd
last time we bantered you had agreed to take that force off my hands for toll and gas money.....what, is free still too rich for you:)
cjd posted 03-28-2002 04:32 PM ET (US)
That was before you told me I had to take the CBBT. Its just getting a little pricey is all.
Steve Leone posted 03-28-2002 09:24 PM ET (US)
i checked with o.m.c. on this matter and the easiest was to block off the oil is to disconnect the oil line at the fitting on the outside of the engine cowling (where the oil line goes to the fiting). use a 2in. piece of hose, push it over the exposed fittinf and plug it with a stainless bolt of suitable diameter. clamp it with a hose clamp. you will also need to disconnect the electrical plug from the v.r.o. and push it aside or tie strap it away so the cover goes on ok. if you don`t unplug this the alarm will sound continuously. mix your gas at 50 to 1 (1/2 quart good two cycle motor oil to 6 gallons of gas). have fun, steve out
jimithing posted 03-29-2002 12:49 PM ET (US)
Thanks for all the great insight....printed the thread out and will do the project this weekend. Thanks again

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Author	Topic: Disconnecting VRO on Evinrude
jimithing	posted 03-28-2002 03:42 PM ET (US) Need some guidence on helping a friend disconnect the VRO system on his 1989 140. It currently works as far as we can tell but since he just bought the boat secondhand he would feel more comfortable mixing the gas himself. First, is this recommended and second, how do you do it. Finally, should I just go and get a shop book for this model and leave you people alone. Thanks as always in advance.
cjd	posted 03-28-2002 03:55 PM ET (US) Hey Jimi, Has that Force grown up? ;) Actually undertaking the same project, and it is not covered in the shop manual. will read resonses with interest. chris
where2	posted 03-28-2002 04:12 PM ET (US) It's probably in the shop manual, if not in the engine owners manual. I'll look tonight (since both came with my BW). The short version I recall was, take the engine cover off, look for the rubber cap on the plastic fitting clipped onto a fuel hose just above the fuel inlet lines. Take the rubber cap off, take the oil line off where it attaches to the engine, and put the rubber cap on the oil line fitting on the engine, attaching it with a small hose clamp. Mix Gas and oil at 50:1, and go. The way to test the VRO to see if it is working is to add oil to your gas, then see if the oil level drops with everything still hooked up. If so, then stop mixing, change spark plugs after last mixed gas is spent, and go.
jimithing	posted 03-28-2002 04:29 PM ET (US) Hey cjd last time we bantered you had agreed to take that force off my hands for toll and gas money.....what, is free still too rich for you:)
cjd	posted 03-28-2002 04:32 PM ET (US) That was before you told me I had to take the CBBT. Its just getting a little pricey is all.
Steve Leone	posted 03-28-2002 09:24 PM ET (US) i checked with o.m.c. on this matter and the easiest was to block off the oil is to disconnect the oil line at the fitting on the outside of the engine cowling (where the oil line goes to the fiting). use a 2in. piece of hose, push it over the exposed fittinf and plug it with a stainless bolt of suitable diameter. clamp it with a hose clamp. you will also need to disconnect the electrical plug from the v.r.o. and push it aside or tie strap it away so the cover goes on ok. if you don`t unplug this the alarm will sound continuously. mix your gas at 50 to 1 (1/2 quart good two cycle motor oil to 6 gallons of gas). have fun, steve out
jimithing	posted 03-29-2002 12:49 PM ET (US) Thanks for all the great insight....printed the thread out and will do the project this weekend. Thanks again