No Power

[Double Trouble]

Thanks will let you know what I find.

[DOCREED]

Another thing to check is ground.
A bad ground somewhere will wreak havoc with the system.
On my boat if i applied power to the instrument lights the guages and engine alarms would go crazy.
Turned out to be a bad ground for the instruments.

Hot salty air=corrosion

[flkeysaqua]

While there are a few experts here if I may ask a question. Just purchased a 73 19-6 took it out a few times and now when I bring the motor (140 Evanrude) upto 4500 rpms in about five minutes the rpms drop off and then the motor shuts off. The motor does not seem to be overheating p!sser is nice and cold but it did come with a pre oiling system that I think could be the problem does anyone have a quick and easy solution or am I looking in the wrong direction? Thanks for your time gentlemen

[luv2flycessna]

While there are a few experts here if I may ask a question. Just purchased a 73 19-6 took it out a few times and now when I bring the motor (140 Evanrude) upto 4500 rpms in about five minutes the rpms drop off and then the motor shuts off. The motor does not seem to be overheating p!sser is nice and cold but it did come with a pre oiling system that I think could be the problem does anyone have a quick and easy solution or am I looking in the wrong direction? Thanks for your time gentlemen

What does the primer bulb look like? is it squashed like it is being sucked down? woud be something to watch, may be starving for fuel.

[RickK]

While there are a few experts here if I may ask a question. Just purchased a 73 19-6 took it out a few times and now when I bring the motor (140 Evanrude) upto 4500 rpms in about five minutes the rpms drop off and then the motor shuts off. The motor does not seem to be overheating p!sser is nice and cold but it did come with a pre oiling system that I think could be the problem does anyone have a quick and easy solution or am I looking in the wrong direction? Thanks for your time gentlemen

Not sure on a '88 model but my 91 Yamaha will sound an alarm and idle down to under 2500 rpm if the oil tank in the engine gets below a certain level.  It's not a time thing, it's an oil level thing - that's how it protects itself.  When I bought the boat, on the shakeout trip this exact thing happened - ended up that the control board needed to be replaced because it was not telling the main oil tank to refill the small tank on the engine.

[bdtsr]

What ever you do, don't ASSUME it's the VRO. You will over look other problems. What year is your motor? OMC had low/no oil alarms. Is yours hooked up? Does the oil level in the tank drop as you continue to use the boat?What you are describing is a classic clogged vent line or filter. As luv2flycessna siad, check the primer ball. Is it collapsed or soft? Pop the fuel cap, did the tank suck air when you removed the cap? Try an external fuel tank to isolate the problem. If your VRO system stopped pumping oil, your motor would be toast. If you want, mix your gas/oil at 50:1 and disconnect your VRO hose at the motor. There should be a nipple cap near the pump to plug the fitting.

[flkeysaqua]

First off I want to thank everyone for there input all the info is very insightful, the prime bulb is new and not soft the fuel filter does need to be replaced and I think it wouldn't hurt to drain the fuel from the tank and make sure it is not leaking dont smell gas but it hasn't been removed or replace since the boat was made. So first thing im going to filter the gas through the old filter then through a new one back into the tank and see how bad of shape the tanks is in, then with a new filter and making sure the vent is not clogged with anything try running it again. To rick the oil tank is full and since the problem started i didn't want to run the motor enough to find out if the level dropped enough to notice I'm thinking if its not just a bad filter and it continues that it might be a weak oil pump not letting enough oil to the motor at higher rpms what do you think? And bdtsr the motor is an 88 Evinrude and there is no sign in the console of an alarm for the vro is it possibly on the motor? and I'm definetly not just assuming its the vro I'm making sure its not I definetly don't want to run the motor if its not getting enough oil or non at all? One question for all will pre mix oil hurt either tank, lines or the motor since its had a vro so long?

[RickK]

One way to make sure you get expert advice - and don't rely on us alone - is to post your questions about the engine here:
http://www.themarinedoctor.com/cgi-bin/YaBB.pl
The guy is good and prompt at answering.
Does the engine only turn off at 4500?  Does it run for 10 minutes at 2200 before shutting off?  Does it shut off on the muffs?

The alarm/buzzer on mine is in the harness at the key end, under the dash.

BTW - the 115 on my 170 doesn't have a VRO - I've been premixing for 21 years in this boat.  Never hurt a thing - 50:1.  

Ethanol is more of a concern to me with my old boats.  I'm sure that I'm going to have some problems soon.  They just introduced E-10 in the last 6 months or so here. I just bought a better fuel filter with 10 micron filtering for the 170. I think I changed the fuel line within the last 10 years but should probably do it again. Not sure if I should drain the 24 gallon aluminum tank and then what do you flush out all the "stuff" in it with?  I think I should replace the fuel lines on the 230 too.  I have a great filter on it.  Sorry to derail your topic.

[flkeysaqua]

not really sure if it happens at most rpms it does not occur at 1000 to 2000 (idle speed) I had to run in 6 miles the other day because of it but I am doing away with the VRO I'm not going to assume that is the only problem I'm going through it step by step once I get rid of the VRO I will drain the tank into a bunch of 6 gallon gas jugs making sure that there is not any  debri in it then once im happy that the tank is in good enough shape to wait untill I take the console out to make a new tank lid that is soft then I will pull the tank completly and if need be fix as needed. Thing that sucks about this is I just filled the tank nothing like pumping 50 gallons out of a boat YEA  


Can i remove the fuel lines easliy enough without taking the console up ei taking all the screws out and just pulling the stern side up enough to get to the lines? if so I'll replace that this week before I drain the tank no sense flushing good gas through a bad line. thanks for the help I'll definetly check out that link

Oh ps there is no alarm in the console

[bdtsr]

Pre-mixing won't hurt a thing. The motor will smoke some more if the VRO pump is working(usually is). OMC designed the VRO pump to pump TOO much oil if it fails. If your tank is 50 gallons, put one gallon of oil in and fill the tank. Run the boat and see what happens. As Rickk said the alarm is usually near the key switch or in the control box. I have the manuals for the '88 year OMC motors so I will check if yours has the S.L.O.W. system which limits rpm for overheating. Your motor should have one alarm buzzer but will sound for low oil, no oil, and overheating.

[Capt. Bob]

You have the classic symptoms of a clogged OIL filter which is located in the oil tank.
To check this, remove the oil line from its fitting and place it directly into the tank.
Remove the oil line from the VRO pump and re-prime the line (get the air out that entered when you removed the line).
Crank her up and go. If you still experience the same symptoms then it probably does reside in the fuel delivery system.
I believe by 1988 OMC had switched over to the VRO2 pump but it might have been later. However, when they did switch, they also switched the oil filter in the tank which had been a problem as listed above.

Your alarm (if I remember correctly) resides in the throttle (binacle) control.

[bdtsr]

There is also a small filter on the engine by the pump. 1988 still had the original VRO. The VRO2 would replace the VRO with and updated wiring kit (3 wire to 4 wire).

[flkeysaqua]

The VRO2 is on the motor slippery sent me a very informative link http://continuouswave.com/whaler/reference/VRO.html where I saw how to identify between the two it does have a four wire setup also there is a small filter aswell near the pump also a small white plastic coupling right before the VRO pump itself not sure what for Capt Bob when the tank was empty I didn't notice a pump in the tank not to say I was looking for one but if it is in the tank would it be near the fill spout? If I can found out how to upload pics on here I'll take some either tonight or tomorrow after work. There is also what looks like an electrical line that runs out of the oil tank aswell? and no matter if it is the oil or not the fuel lines most certainly need replacing once again guys thanks for your input like always you all have been most helpful

[bdtsr]

The smaller white coupling is the oil filter. The larger white coupling is the fuel filter. There is not a pump in the oil tank. The wires coming from the oil tank are from the low oil/no oil alarm sending unit. If you replace the oil line, use the OMC/Bombarier unit and make sure you get ALL the air out.

[flkeysaqua]

cool thanks ill be sure to but i think im going to go with premix and not worry about all the extras