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Lawn Equipment Fuel Frustrations


POSTED: Thursday, March 31, 2011 - 5:32pm

UPDATED: Friday, April 1, 2011 - 10:39am

Ethanol causing headaches

With spring officially here... and summer right around the corner...

it's that time of year to start caring about your lawn.

But what you might want to care about first is your lawn equipment.

You can see the full interview with Kirkpatrick Hardware's resident Mr. Fix it, Kevin Hopkins here.

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Electric mowers are pretty fantastic these days. :)

which is hard to hear in a 2 cycle engine due to the natural noise output of a 2 cycle engine. If you read the owner’s manual of several different engine manufactures they strongly discourage using more than 10% Ethanol, which is the real problem with the new generation of fuels being sold today.

Here is a good link to read about phase separation with ethanol fuel.

Brads Mower Medic

less than 10% Ethanol by purchasing either Super Unleaded or the Plus grades. The best defense is store the equipment empty or by using a fuel stabilizer like Star Tron, Sea Foam, Sta-Bil or Fuel Medics. I agree the Stihl, Husqvarna and a few other 2 cycle manufactures recommend Super Unleaded but that is because their engines are maxed out in performance, ie Similar to the needs of a performance car engine, they need more octane to reduce detonation, which is hard to hear in a 2 cycle engine du

There are factors that influence the life of the fuel. Humidity exposed to the fuel through the fuel tank vent system, age of fuel and if a fuel stabilizer is being used. Corrosion is the biggest problem with ethanol fuel, not shellac build up as stated in the video.
The new smart pumps mix Super Unleaded and Regular Fuel at the pump to get the MIDDLE grade PLUS fuel. Some fuel suppliers put 10% Ethanol in their Super Unleaded so that is no guarantee that you will get less than 10% Ethanol

This video is inaccurate. What causes the problem with the fuel is humidity being absorbed into it, the problem is called “Phase Separation”. The Ethanol acts as a sponge and draws in the moisture. When the water level reaches a saturation point the water and ethanol separate from the fuel base, called phase separation and settle's at the bottom of the fuel tank and forms an acid that eats everything in the system if left in the tank too long. There are factors that influence the life of the fue

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