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23 Outrage Fuel gauge not acurate? I think
|Author||Topic: 23 Outrage Fuel gauge not acurate? I think|
posted 07-10-2006 09:42 PM ET (US)
I have a 2000 23 Outrage with twin Yamaha 150s. I have owned for a year now and I usually fill up the gas while boat is on trailer. Tank capacity is 166 gals. When ever I fill up I always fill it to the top and I never have put over 100 gallions in at a time. My gas gauge can be down to the last two bars "aprox 1/4 tank" and when I fill up it is like 50 to 70 gallions. Even filling up on lake I am expirencing the same thing. Does it really hold 166? Is my fual gauge off? Is anybody having problems with fuel gauge?
posted 07-10-2006 10:24 PM ET (US)
Don't trust any boat fuel guage. You should install a floscan or a navman to get accurate flow rate and usage.
Ken (170 montauk / 22 hydrasports vector wa)
posted 07-10-2006 10:56 PM ET (US)
Not sure I agree with "Don't trust any boat fuel gauge" as not all boat fuel gauges are created equal. Even one that doesn't read correctly but is consistent can be used as a gauge. Surely there is no substitute for starting with a full tank, following the 1/3 rule along with knowing what your engine gallons/hour burn rate is at typical cruising speed and at trolling speed.
Yes, the tank is 166 gallons. Can't help with your gauge as our boat has Smart Craft Gauges on our 2001 23' Outrage w/225 Optimax. If your gauge is digital it may need to be calibrated to the tank. A process of starting with a nearly empty tank and then filling incrementally and inputting information to the gauge along the way. I have not had to do this process but remember reading about calibrating the gauge to the tank when we purchased our boat.
posted 07-11-2006 01:36 PM ET (US)
When I first purchased my 1998 Outrage 23 the tank was nearly full acording to the guage. I tried to top it off and only about 12 gallons went in. I then ran the heck out of it (one week of day trips) unitl the guage read less than 1/4 tank. I was able to put 130 gallons in, so I am quite sure the tank holds the stated 166 gallons. I do not have a Flow Scan or similar device, and I use a combination of the guage and the hours and miles I have run on a tank. So I guess I am in the camp that the guage is a very rough indicator that should not be overly trusted, but my guage seems to be an ok indicator, as long as I have other points of reference as well.
posted 07-12-2006 09:24 PM ET (US)
Thank you everybody. I am almost tempted to see how long before it runs out of gas. I have always used prem gas with ring free added. My motors are the Yami ox66 150 fuel injected saltwater series. Would or could it hurt anything for me to run the tank dry?
posted 07-12-2006 09:46 PM ET (US)
The Yamaha fuel gauges are notorious for not being at all accurate.
I'm continually dumbfounded by the fact that a company can make such a great motor that runs well, is reliable and all-around a great performer, and fall so very far short of success in the realm of fuel gauge accuracy.
The only consolation I can give you on this subject is the knowledge that thousands of other Yamaha owners are suffering with you!
A good fuel-flow meter should help you to determine exactly what you have in your tank, with diligent use.
posted 07-12-2006 11:53 PM ET (US)
I'm not sure you can positively state that all Yamaha fuel gauges are inaccurate - even mine. Mine gives inaccurate readings, but that could be the fault of the sending unit and not the gauge.
posted 07-13-2006 12:52 PM ET (US)
Yours, Gep's, My father's.
I don't know about every single one, but enough boats through enough model years have had problems with Yamaha's digital guages to tell me that it's not a very reliable instrument.
And I didn't say every one...but enough to be notorious from my perspective. I would not believe one without some kind of strong evidence/history that showed me different at this point.
I don't know if Merc's or Evinrudes are any better.
I'm just shocked that so many people with Yamaha motors and guages have these problems, fairly consistently with the indicator blinking empty when there is 1/2 a tank or more present.
Sender or guage - assuming that they are part of the same "package" - I know folks with models from the late 80's to 2002 who have all had the same problem.
To me, that's earning a little notoriety and distrust. I'm shocked, because Yamaha makes such an otherwise great product, and I'm suprised that this is not resolved by now.
posted 07-14-2006 05:36 PM ET (US)
"our" Outrage 23 has the fuel sender on the bow side of the fuel tank below the round hatch. The original sending unit is a Perko with built in mechanical gauge.
The readings depends on the inclination of the boat, wich is normaly different on a trailer or in the water and under way with different trim angles and loads.
I measured the remaining fuel always the same way, alone in the boat without any gear and reading the gauge on the sending unit. in spring when i drop the boat in the water i top up maybe 50 gallons wich is on my boat 1/4 on the fuel sending gauge. Filling up gas in the water on a harbour gasstation watch how the gauge raises and you can estimate more or less the remaining gas.
I have mounted in 2001 the Yamaha Fuel Management Gauge and i have to say that it is really accurate (i write after each ride the miles, houres and how much gas i've used)
The Yamaha Fuel Gauge on the Speedometer is accurate as the fuel sending unit is, not more not less. Yamaha Motors don't have their own fuel sending unit (at least here in Europe) , but their can bee adapted to 3 different standards of readings from different fuel sending units.
Any fuel gauge gives erratic readings if the fuel sender is bad or mountet in front of the fuel tank like in the Outrage 23. Mounting the fuel sender in the front of the tank is not very accurate, but even if the gauge signs zero there will be still 25 gallons in it.
posted 07-14-2006 10:39 PM ET (US)
I have an 1984 outrage 18. I ran totally out of gas last week. I filled up on the trailer and only got in 53 gallons. Suspicious (outrage 18 should hold 63), I unhooked the trailer and raised the bow 16 inches with the trailer jack. 10 more gallons went in. A few days later I put 24 miles on the engine at Torch lake. I tried to gas up at Sam's club in Traverse City which is on a significant down hill slant. No gas would go in! I turned the boat and trailer around to face uphill and 12 gallons went in. I believe there is a large volume of air in the tank that can not be displace out the vent if the tank is even slightly bow down. I've owned this boat 11 years and just now discoverd this gas tank dynamic.
posted 07-16-2006 08:29 PM ET (US)
Thanks everyone for the help. Frank and Chris are both right. It now makes alot of since. When I fill up it is ussually on the trailer "which rides bow low". When I took it outof the water today I noticed the gauge read more fuel than floating in the water.
KS Floor Covering
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