Should small engines use premium gas?

For those wondering “Is premium gas better for small engines?” the answer is most likely no. That's because small engines are not built with high compression ratios. There is no threat of engine knock taking place.
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What kind of gas is best for small engines?

What is the best small engine or lawn mower gas?
  • Clean and fresh - fuel can begin to deteriorate in as little as 30 days.
  • A minimum of 87 octane/87 AKI (91 RON); If operating at high altitude, see below.
  • Gasoline with up to 10% ethanol (gasohol) or up to 15% MTBE (methyl tertiary butyl ether), is acceptable.
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Should I put premium gas in my lawnmower?

The best gas to use in your lawn mower is that recommended by its manufacturer. The rule of thumb is that you can use either regular gas rated at 87 octanes or premium gas that's rated higher at 91 or 93 octanes. Do not use gas with more than 10% ethanol to avoid damage to the mower's fuel system.
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Do small engines run better on high octane?

Small engines have low compression ratios, meaning they won't likely benefit from anything special in the gas like a higher octane rating.
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Will regular gas hurt my mower?

(WIVB) – If you are using the same unleaded regular gas in your lawn mower you are pumping into your car, you could be doing serious damage; and some unleaded gas with higher ethanol content could actually destroy your lawn equipment.
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Is it OK to use premium gas in small engines?



Should I use premium gas in my snowblower?

Only use high-grade oil intended for use in two-cycle air-cooled engines. A high-grade premium gasoline will burn cleaner in the engines, leaving less carbon buildup in the cylinder, exhaust port and muffler. A fuel grade of 89 octane and higher is recommended.
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What kind of gas should you put in a lawnmower?

Most four-stroke engines require fresh unleaded gasoline with an octane rating of 87 or higher. You can use gas with ethanol, but more than 10 percent ethanol is typically not recommended. Mowers with two-stroke engines use that same type of gas, but with the addition of a high-quality two-cycle engine oil.
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Will premium gas hurt my generator?

Use clean, fresh, unleaded gasoline. Fuel must have a minimum rating of 87 octane/87 AKI. While up to 10% ethanol is acceptable, non-ethanol-premium fuel is recommended. DO NOT use E85, gas/oil mix, or modify the engine to run on alternate fuels.
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Should I use premium gas in my 2 stroke outboard?

That said, your choice of fuel remains critical. Burning 87-octane gasoline in a two-stroke outboard causes carbon buildup that shortens engine life. Dose the fuel with a carbon-cleaning additive or fill the tank with 89-octane or higher fuel.
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What kind of gas do you put in a snowblower?

Most users find that 87 octane fuel is sufficient for a snowblower, and the more expensive higher octanes are unnecessary. If you can find gas with no added ethanol in your area, that is ideal for small engines.
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Is non ethanol gas better for small engines?

Non-Ethanol gas is the best option for your smaller summer engine equipment, machinery, and recreational vehicles. This includes chainsaws, lawn mowers, and motorcycles.
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Is ethanol gas bad for small engines?

Ethanol is not bad for small engines, as long as you keep it to E10—nothing higher than that! E10 specifically is the type of ethanol fuel that is approved by all modern small engine manufacturers.
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What kind of gas does a Briggs and Stratton take?

A minimum 87 octane containing up to 10% ethanol is recommended. Do not use fuels with 15 to 85% ethanol, these fuels are not approved for use in small engines. Mixing oil with gasoline or modifying your 4-Cycle small engine to run on alternative fuels will damage the engine and will not be covered under warranty.
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What is the best octane for 2 cycle engines?

For small engines, always use the highest octane you can find, he says. Typically, that's around 93 octane, though regionally you will find higher octane blends.
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Should I use premium gas in my 4 stroke outboard?

Putting lower-octane gas in a high-performance motor rated for premium gasoline may cause that motor to knock. Obviously, you don't want that. But putting high-octane gas in a regular outboard won't do a thing except lighten your wallet. It will not give you any more power.
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Should I use premium gas in outboard motor?

Current recommendations are to use a minimum of 87 octane, 89 octane is preferred. There is no additional benefit from using higher-octane fuels, in fact they may cause hard starting conditions in hot weather.
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What is the best gas for outboard motor?

What Type of Gas Should I Use in My Boat? All current outboard, sterndrive and inboard gasoline engines are designed to operate safely on fuel with no more than 10 percent ethanol (known as E10), and under no circumstance should fuel with more than 10 percent ethanol (such as E15 or E85) be used in a marine engine.
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What octane should I use in my generator?

Use regular unleaded gas with at least 85 octane for your gas powered generator. Turn off the generator engine and allow it to cool about 2 minutes before refueling. Never put gas into your generator while the engine is running.
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Should I use high octane gas in my chainsaw?

Chain saw powerheads are high performance engines. They produce more power per pound than many race car engines -- and they need high octane fuel to do it.
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How long can gas sit in my generator?

The idea is to use the oldest can in your vehicle every 6 months, replacing it with new stored fuel. Then use the next oldest can 6 months later. This keeps all your stored generator fuel fresh and ready to go.
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What kind of gas does a Craftsman lawn mower take?

Most Craftsman lawn mowers will have four-stroke engines that use unleaded gasoline with an octane level of 87 or higher with no greater than a 10% ethanol content.
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Can I use super unleaded in my lawn mower?

It's corrosive properties can erode your engine away. You can user super unleaded fuel from forecourts which contains 5% ethanol (keep an eye on this) or we recommend a fuel called Aspen. Aspen contains no ethanol, will stay fresh for up to 5 years, emits 99% less toxic emissions and ultimately prolongs machinery life.
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Can I put 93 octane in my snowblower?

You can use the 93 octane in your two cycle OPE. Many 2 cycle mfg are now recommending 89 octane or higher.
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What kind of gas does a Craftsman leaf blower use?

The majority of leaf blower manufacturers recommend regular unleaded gasoline for their products. Most of them would recommend 87 octane gas or up, with an ethanol blend of 10 percent or less.
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Can I use 93 octane in my Toro snowblower?

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.
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