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Author Topic: lawn mowers + gas ? Back to Topics
CORNHICK

All-Star Author
Omaha

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Message Posted: Jan 14, 2014 3:52:25 AM

Despite all the things I've said in the past about ethanol good or bad. I want as many opinions as I can get! Can I use the cheapest gas possible in a lawn mower without negative effects if used in a timely manner. It is a 87 octane with 10% ethanol blend. THanks Mike and also what do you guys usually use?
REPLIES (newest first) Post a Reply
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heyman_31036
Rookie Author Georgia

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Message Posted: Aug 20, 2014 11:34:34 AM

So far so good with regular 87 octane + alch. in a 15 year old mower but carb. may need rebuilding soon.
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stickyvalves
Champion Author Iowa

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Message Posted: Aug 2, 2014 10:50:48 PM

Take care of the mower and it will last a long time.
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goldseeker
Champion Author West Virginia

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Message Posted: Aug 2, 2014 5:13:10 AM

And my 23 year old mower keeps chugging along on ethanol.
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krzysiek_ck
Champion Author Illinois

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Message Posted: Aug 1, 2014 10:31:06 AM

PhilnTX wrote: "Read the owner's manual for your product. It will tell you what the manufacturer recommends. Most say don't use it."

Please link to few of them. Strangely enough some that I have seen do not agree with you.

"Unleaded gasoline with an octane rating of at least 87 ((R+M)/2 rating method) is the recommended fuel grade for all gasoline engines in Toro products. Gasoline with up to 10% ethanol (gasohol) or 15% MTBE (methyl tertiary butyl ether) by volume is acceptable."

Toro fuel recommendation

"Gasoline is allowed, by regulation, to contain a variety of additives. The same regulation limits how much of some additives, such as alcohol, can be included in the fuel and still allow it to be sold as gasoline. Honda engines are designed for good performance and efficient operation using gasoline containing from 0 to 10% ethanol."

Honda fuel recommendation

"Gasoline that is 89 octane or higher is specifically recommended in engines that are two stroke and air cooled. Gasoline may contain a MAXIMUM of 10% Ethanol. Two stroke air cooled engines are approved to use a 87 octane rated clean gasoline in emergency situations."

Husqvarna fuel recommendation

[Edited by: krzysiek_ck at 8/1/2014 10:32:05 AM EST]
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jorobins538
Champion Author Chicago

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Message Posted: Aug 1, 2014 9:57:07 AM

got an electric mower - no more gas ever! Now, if I could get the scratch together for an all electric car . . .
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PhilnTX
All-Star Author Dallas

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Message Posted: Jul 31, 2014 2:30:34 PM

Read the owner's manual for your product. It will tell you what the manufacturer recommends. Most say don't use it.



[Edited by: PhilnTX at 7/31/2014 2:31:57 PM EST]
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tdioiler
All-Star Author Detroit

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Message Posted: Jul 24, 2014 10:57:32 PM

So I don't get it. If dry gas is ethanol and it removes water from the petrol, where does the water go to then?
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greydog13
All-Star Author Iowa

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Message Posted: Jul 23, 2014 11:07:35 PM

I use regular gas with E10 in my vehicles and non-ethanol in mowers, trimmers, etc
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sh1361
Sophomore Author Birmingham

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Message Posted: Jul 18, 2014 7:46:24 PM

Distilled spirits are comprised of ethanol and water why don't they separate over time?
Could the petrol Be the problem?
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jacksfan
Champion Author Lincoln

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Message Posted: Jul 15, 2014 6:00:00 PM

E-0 ruined the carburetor needle valve on my lawnmower. Ethanol had nothing to do with it.
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46chief
Champion Author Indiana

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Message Posted: Jul 13, 2014 1:18:23 PM

E-85 ruined the carburetor needle valve in my lawnmower. I don't like it!
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dassfg
Champion Author Fort Worth

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Message Posted: Jul 11, 2014 8:10:54 AM

In the DFW area our fuel is so loaded I must up the octane to mid grade and use RXP for all of my small gas motors to function
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SilverStreaker
Champion Author Twin Cities

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Message Posted: Jun 11, 2014 11:13:19 AM

With the 10,000 lakes, Minnesota summers are very humid. But I have never heard of anyone's gasoline phase separating. Must only happen in remote parts of the country....
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stickyvalves
Champion Author Iowa

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Message Posted: Jun 11, 2014 10:42:59 AM

Alcohol absorbs moisture. It's called gas line antifreeze.

You people along the east coast have more humidity than Iowa does. You might need to keep your mower tank empty. I don't have any moisture problems with my mowers. Enjoy your day.
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bkfist
Rookie Author Winston-Salem

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Message Posted: Jun 10, 2014 10:56:04 AM

I avoid alcohol in small engines. If anyone doubts gasohol absorbing moisture, put about a pint of gas into an 8X12 cake pan on a humid day and watch the gas turn cloudy in anywhere from 30 seconds to 20 minutes (depending on humidity and temperature). Wait another 3 minutes to half hour and the gasohol will phase separate and the water/alcohol combination will sink to the bottom. You can turn the pan so one corner is lower and see the separated water/alcohol more easily... The cake pan is to increase surface area to make the reaction faster, but the same thing can happen over time in any tank/carburetor.
(Make sure to observe safety precautions with a cake pan full of gasoline... Outside, no flames etc).
Gasohol additives do NOT prevent this, they only SLIGHTLY slow it by allowing about twice the moisture to be absorbed before phase separation occurs, as compared to untreated gasohol, and add a little rust protection to the crud that settles out.
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khp33
Rookie Author Erie

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Message Posted: Jun 10, 2014 10:54:18 AM

Yes I agree.
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stickyvalves
Champion Author Iowa

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Message Posted: Jun 9, 2014 3:40:47 PM

More gasohol going into my lawn mower tonite. Gotta mow grass before it rains again.
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the1roadhog
Champion Author Atlanta

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Message Posted: Jun 9, 2014 9:19:19 AM

no trust
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badbobKY
Veteran Author Lexington

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Message Posted: Jun 9, 2014 9:02:11 AM

not in mowers
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goldseeker
Champion Author West Virginia

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Message Posted: Jun 7, 2014 4:26:20 AM

"“Ethanol has alcohol in it. Alcohol absorbs water,” What a ridiculous statement. Ethanol is an alcohol and alcohols are normally put into gas tanks to remove water. What do you think dry gas is made of?

I use ethanol fuels in my string trimmers and they work just fine. No amount of tall tales from Texas will change my mind.
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tropicalmn
Veteran Author Minnesota

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Message Posted: Jun 6, 2014 12:27:49 PM

Quoting fuel-testers.com & there distorted,some cases fictional,manufacturers fuel warnings designed to scare people into buying there Fuel Test Kits will only make you look like a gullible fool PhilnTX!

You also conveniently failed to quote Mr.Brodd stating "If you’re careful and follow proper maintenance E10 works."

[Edited by: tropicalmn at 6/6/2014 12:32:36 PM EST]
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PhilnTX
All-Star Author Dallas

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Message Posted: Jun 6, 2014 11:55:55 AM

There is a mower/small engine repair shop 1 mile from where I work. I took my string trimmer in about 3 months ago. First question. What kind of gas do you use? Showed me several 5 gallon buckets of carburetors that looked like "mush" on the insides. He just laughed and said "I'm glad people use ethanol in these things". $50 later, I have a string trimmer that starts on the first pull again. (replace the carb with a clean used one.)

Ariens (EZR Easy Turn Mower) - Prohibits use of E10 fuel - Quote, "DO NOT use gasohol ot gasoline containing alcohol. Alcohol will cause internal parts to deteriorate.".

Murray (Lawn Tractor) - E10 warnings/precautions only - Quote, "A mixture of alcohol and gasoline will attract moisture and cause acid deposits during storage.".

Poulan (Chain Saw) - E10 warnings/precautions only - Quote, "Experience indicates that alcohol blended fuels can attract moisture which leads to fuel mixture separation and formation of acids during storage."

Sears (Craftsman Tiller) - E10 warnings/precautions only - Quote, "Experience indicates that alcohol blended fuels can attract moisture which leads to fuel mixture separation and formation of acids during storage.".

Briggs and Stratton - E10 warnings/precautions only - Quote, "Some fuels are gasoline blended with alcohols or ethers. Excessive amounts of these blends can damage the fuel system or cause performance problems. If any undesirable operating conditions occur, use gasoline with a lower percentage of alcohol or ether."Tim Brodd of Brodd Small Engine Repair in Lincoln, Neb., said you’ll probably find using E10 is acceptable. Still, he said, there is some risk.

“Ethanol has alcohol in it. Alcohol absorbs water,” said Brodd, who repairs and sells mowers and other equipment at his shop. “And if that fuel is not rotated, that water just sitting there will cause corrosion issues over time.”

In that case, Brodd said, it’s really the water that causes the damage by corroding fuel lines or the carburetor, the part of the engine where fuel mixes with air to create the volatile mix that is compressed and exploded in the piston cylinder. So if you’re laid back about keeping the grass short or only pull the snow blower out a couple times per year, you could end up with a bad carburetor and a bill from your mechanic.

“Just in parts on some of these machines you could spend upwards of $150-200 just for the carburetor itself,” Brodd said.
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ggg452
Champion Author Manitoba

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Message Posted: Jun 6, 2014 10:49:56 AM

Corn is for food, not fuel....
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stickyvalves
Champion Author Iowa

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Message Posted: Jun 6, 2014 9:48:29 AM

Mower worked just fine again last nite. It's only 6 years old. Ethanol rusted the handle on my old mower. It was 15 years old. Darned ethanol
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klroth025
Rookie Author Cleveland

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Message Posted: Jun 5, 2014 3:02:14 PM

Ethanol fuel/air ratio is different than gas. The smaller the engine, the more sensitive it is to mixture changes.
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buickentury
All-Star Author Madison

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Message Posted: Jun 5, 2014 12:34:26 PM

I have used ethanol laced gasoline in every engine (big or small) I've ever owned and haven't had any issues that could be definitively traced to fuel/ethanol.
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stickyvalves
Champion Author Iowa

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Message Posted: May 24, 2014 5:12:37 PM

Mowed again today using gasohol. No problems. Not a very big worry.
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the1roadhog
Champion Author Atlanta

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Message Posted: May 24, 2014 8:25:41 AM

don't lose sleep over this...
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AFOS
Champion Author Chicago

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Message Posted: May 18, 2014 12:48:27 PM

I use E10 (I have no choice at the gas pump), with added Sea Foam, and never have had any ethanol related issues with my 8 year old Toro.
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PummpinEthyl
Champion Author Nevada

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Message Posted: May 15, 2014 8:06:43 PM

I use 87 with additive
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jrfan6767
All-Star Author Kansas

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Message Posted: May 14, 2014 4:14:11 PM

i used it for a while in my mower until the store stopped selling it never had any problems
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stickyvalves
Champion Author Iowa

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Message Posted: May 9, 2014 10:13:20 AM

We keep getting interesting comments. Amazing. Some people's thought processes leave a lot to be desired.
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goldseeker
Champion Author West Virginia

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Message Posted: May 9, 2014 2:36:16 AM

Ethanol is an engine saver.
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krzysiek_ck
Champion Author Illinois

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Message Posted: May 8, 2014 2:08:48 PM

I use E10 and never had any Ethanol related issues.
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satrn38mpg
Champion Author Raleigh

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Message Posted: May 8, 2014 1:37:29 PM

I only use 87 octane with 0% ethanol >>
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BAJALRRP
Champion Author Tacoma

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Message Posted: May 8, 2014 10:17:33 AM

Ethanol is an engne killer.
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paoli8
Champion Author Philadelphia

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Message Posted: May 4, 2014 9:57:13 AM

I have chainsaws, leaf blowers, and string trimmers that won't, thanks to ethanol additive.
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scrossi
Champion Author Indiana

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Message Posted: May 4, 2014 9:25:17 AM

I wish I could get ethanol-free gas.
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Tsunamiron
Champion Author Jacksonville

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Message Posted: May 4, 2014 8:59:06 AM

I use ethanol-free gas in my mower. It costs more, but by only about 25¢ every time I mow the lawn. That is a lot cheaper than constantly rebuilding the gummed-up carburetor over and over again.

It is well worth the extra quarter.
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merlinCO
Champion Author Colorado

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Message Posted: May 4, 2014 8:50:39 AM

There are enough additives that the ethanol is not a factor. Only when the companies mix more ethanol than 10% as they make much more money than straight gas will the effects be detrimental. Premium gas has higher amounts of ethanol.
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thuathienhue
Champion Author Michigan

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Message Posted: May 4, 2014 1:08:04 AM

Small engines do not like ethanol
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BigHorne1
Champion Author Missouri

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Message Posted: May 3, 2014 8:57:11 PM

at least 89 octane with stabilize. Any lawn repair or sales place, should tell you that. If they don't, they are looking for you to bring it for extra repairs due to 87 octane.
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YodaON
Champion Author Ottawa

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Message Posted: May 3, 2014 5:22:59 PM

use super not ethanol
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Cheepo
Champion Author Tampa

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Message Posted: May 3, 2014 1:48:55 PM

Where do I find no ethanol gas in my neighborhood?????????
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ace12012
Champion Author Phoenix

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Message Posted: May 3, 2014 1:32:22 PM

no to ethanol.
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cigarman409
Champion Author Massachusetts

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Message Posted: May 3, 2014 7:30:57 AM

No ethanol
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jeff95519
Champion Author California

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Message Posted: May 3, 2014 5:47:21 AM

E-0 for me
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tklsr
All-Star Author Akron

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Message Posted: May 2, 2014 8:47:32 PM

mow
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RAB2010
All-Star Author Kalamazoo

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Message Posted: May 2, 2014 7:05:17 PM

Gasoline. That is what the engine was engineered to use, and that is what I use. It will burn the blends in cool weather, but it is not how it was designed to operate. Ethanol does not produce the same power, and I can't cut as much grass on one tank as with gasoline.
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maddog0324
Veteran Author Atlanta

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Message Posted: May 2, 2014 1:38:55 PM

I only buy 2 weeks worth of gas for my lawn mower so the gas will be fresh.
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