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Re: Fuel in outboard
[Re: BassfisherHTX]
#14073372
07/26/21 03:11 AM
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Joined: Jan 2010
Posts: 5,243
Fishinfellow
TFF Celebrity
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TFF Celebrity
Joined: Jan 2010
Posts: 5,243 |
You’re literally burning money if you run premium in your outboard….
Thats my money fish ![[Linked Image]](https://i.imgur.com/vXEgQG1t.jpg) Kris Winhold
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Re: Fuel in outboard
[Re: BassfisherHTX]
#14073387
07/26/21 03:45 AM
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Joined: Sep 2004
Posts: 1,696
Joel McBride
Extreme Angler
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Extreme Angler
Joined: Sep 2004
Posts: 1,696 |
87 with a couple of non ethanol fill ups. Routine maintenance. Looking forward to next 1500 hours.
Edited to say pics won't upload. 1400+ hours and she works like a champ. We use walmart brand oil and we run her hard for tourneys and let her rest a little for prefishing. Fun fishing is always at cruise speed (35mph or so).
Maybe been lucky but additives only a time or 2.
Last edited by Joel McBride; 07/26/21 03:55 AM.
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Re: Fuel in outboard
[Re: BassfisherHTX]
#14073931
07/26/21 06:43 PM
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Joined: Sep 2003
Posts: 3,431
Champion1
TFF Team Angler
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TFF Team Angler
Joined: Sep 2003
Posts: 3,431 |
Theres 3 Buccees around that have ethanol free, i try to swing by them when i can. I 35 on way to Denton, Ennis on 45, and I30 by Royce city.
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Re: Fuel in outboard
[Re: Champion1]
#14073947
07/26/21 06:58 PM
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Joined: Mar 2016
Posts: 548
TinRangerJim
Pro Angler
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Pro Angler
Joined: Mar 2016
Posts: 548 |
Theres 3 Buccees around that have ethanol free, i try to swing by them when i can. I 35 on way to Denton, Ennis on 45, and I30 by Royce city. A lot of the newer Murphy's/WalMart stations are selling ethanol-free gas now, too. Of course, Buc-ee's restrooms are cleaner... ![grin grin](/forums/images/graemlins/default/grin.gif)
"Rip Some Lips" Nevadan by birth, Texan by choice Retired USAF, 1966-1989 Jim C.
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Re: Fuel in outboard
[Re: Dubee]
#14073961
07/26/21 07:17 PM
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Joined: Feb 2006
Posts: 3,923
bronco71
TFF Team Angler
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TFF Team Angler
Joined: Feb 2006
Posts: 3,923 |
Read your owners manual. The engineers that designed that engine know what’s best for it. My Yamaha says 87 octane….that’s what goes in the tank. Exactly!!!... The smart guys who designed and manufactured your engine know best... 87 octane, a fuel stabilizer and an injector cleaner is all you need... Running too high of an octane could actually be a determent to the outboard... Dan exactly, my old 1979 Mercury Black Max manual said premium would burn too hot and damage the motor...I always run regular and it is still running... Lol. Higher octane burns cooler and slower. I find it hard to believe Mercury engineers would say it burns to hot Well, I've slept a bit since then but it definitely said do not run premium! The reason may have come from the dealer or the shop but I just ran regular in it. Only things done besides regular maintenance are several carb cleanings/rebuilds over the years, 2 power packs, a stator and rectifier, and changed the reeds 2 years ago. No telling ho many hours it has on it but it was used a lot and after the Skeeter it came on was worn out I kept it and hung it on a new Nitro in 1989. Now I run regular ethanol free in it and the Opti as much as possible with ring-free or equivalent and Mercury stabilizer...
1987 Nitro MX185/Mercury Black Max 150 (needs lots of work, put motor on nephew's boat) 1994 XSC-2200 "Jaguar" AKA Shadow 22 Magnum (restoring w/Mercury 200 XRI) 1994 Pantera II (restoring w/Mercury 200 EFI) 1999 Triton TX21/225 Mercury Optimax
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Re: Fuel in outboard
[Re: BassfisherHTX]
#14075031
07/27/21 07:26 PM
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Joined: Sep 2012
Posts: 364
Bryan O'
Angler
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Angler
Joined: Sep 2012
Posts: 364 |
I was told by a friend - Exxon Egr. - that all gas looses octane over time, and it's a pretty short time. Said if you are not going to be burning it out rather quickly, you may want to go with a higher level. If 87 is the motor's minimum, then unless you burn it out rather quickly, it will be below the minimum. I often don't run mine for 4 - 6 weeks at a time. If 87 lost 2 points, I'd be running 85 and risking the motor (detonation) with below spec fuel. The same is true to how long the fuel sits in the tank at the station before you buy it. Is it 2 weeks old already? There is the argument that the premium isn't turned over as quickly, but I was told they don't stock as much so it is as fresh. Plus, that expensive inventory to sit on.
I just ran an 08' 250 ProXS for 850 hrs on nothing but premium with no problems, and it had 125 psi in all holes when I sold it. My proof is in the numbers. I did the same with a 99' 225 EFI, and a 93' 150 XR6, and an 85' 150 XR2. They all ran great, and I piled up the hours on all of them. I'm planning on the same with this V8 250 ProXS. It may be just burning money, but it may be insurance. I do add the Mercury fuel treatment for ethanol as well.
Bryan O' Total Recreation Products Inc. Commercial Park and Playground Products and Services totalrecreation.net Ranger Z521c 250ProXS V8
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Re: Fuel in outboard
[Re: Bryan O']
#14075315
07/28/21 12:09 AM
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Joined: Jul 2011
Posts: 5,325
Dubee
TFF Celebrity
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TFF Celebrity
Joined: Jul 2011
Posts: 5,325 |
I was told by a friend - Exxon Egr. - that all gas looses octane over time, and it's a pretty short time. Said if you are not going to be burning it out rather quickly, you may want to go with a higher level. If 87 is the motor's minimum, then unless you burn it out rather quickly, it will be below the minimum. I often don't run mine for 4 - 6 weeks at a time. If 87 lost 2 points, I'd be running 85 and risking the motor (detonation) with below spec fuel. The same is true to how long the fuel sits in the tank at the station before you buy it. Is it 2 weeks old already? There is the argument that the premium isn't turned over as quickly, but I was told they don't stock as much so it is as fresh. Plus, that expensive inventory to sit on.
I just ran an 08' 250 ProXS for 850 hrs on nothing but premium with no problems, and it had 125 psi in all holes when I sold it. My proof is in the numbers. I did the same with a 99' 225 EFI, and a 93' 150 XR6, and an 85' 150 XR2. They all ran great, and I piled up the hours on all of them. I'm planning on the same with this V8 250 ProXS. It may be just burning money, but it may be insurance. I do add the Mercury fuel treatment for ethanol as well. But there is no proof in those numbers. It just means you never had a problem with those motors. I have a 2001 225efi that I have had since it was new. It has several thousand hours on it with zero problems. All I have ever used is 87 and never used a single drop of any snake oil additives. But that doesn't prove anything either except I have saved thousands of dollars on premium gas and additives
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