Garden
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Recommend 91 octane with no ethanol
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A minimum 87 octane containing up to 10% ethanol is recommended.
We recommend the use of 84-90 octane unleaded gasoline with less than 10% alcohol content. IMPORTANT! Use of fuel that has more than 10% ethanol content, such as E15 (15% alcohol), is NOT recommended.
All Briggs & Stratton engines can use up to, and including, 10% ethanol petrol. Always use clean, fresh, unleaded petrol with an octane rating of at least 77 for side-valve engines or at least 85 for overhead-valve engines.
Sure, you won`t hurt your lawn mower or string trimmer by putting in Premium gasoline, but you`ll be wasting your money since it`s more expensive. Contrary to popular belief, Premium gas does not improve fuel efficiency or performance in motors that don`t require it.
Fuel for your lawn mower or outdoor power equipment must meet these requirements: Clean, fresh, unleaded. 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.
To fuel your Murray push mower, use fresh, clean gasoline with a minimum octane of 87 or higher. Do not use ethanol or other flex fuels.
Any octane of gas available at your local gas station should work fine in your lawnmower, as long as you avoid the diesel section. High octanes won`t necessarily improve your lawnmower`s performance, but they won`t hurt the engine.
When it comes to fuel, your best bet for a small engine is gasoline with an 89 octane rating.
If you are finding yourself wondering what can be used, please be assured that Regular unleaded 98, 95, 95 E5 or E10 petrol can be used in most petrol garden machinery products; however do not use any petrol containing more than 10% ethanol. This will cause corrosion damage to fuel system components.
2-stroke engines are generally used in handheld lawn equipment because the power per weight is greater than 4-stroke engines; this means that a smaller engine will pack more power than a smaller 4-stroke engine.
The AA recommends that, unless you are driving a turbo or supercharged engine, you should opt for 93. What is important to keep in mind is that 95 is more expensive than 93.
Lawnmowers and other garden machinery can run on either unleaded petrol or diesel. Most standard lawnmowers and garden machinery use petrol, while diesel is usually used only for commercial or heavy-duty professional-use machines, such as ride-on tractor lawnmowers.
If you put lower-octane fuel into your high-octane vehicle, whether by mistake or to save money on gas, you`ll probably notice the effects right away: things like poor fuel economy, reduced acceleration, and spark knock, which sounds like a high-pitched pinging or rattling noise.
At altitudes over 5,000 feet (1524 meters), a minimum 85 octane / 85 AKI (89 RON) gasoline is acceptable. To remain emissions compliant, high altitude adjustment is required. Operation without this adjustment will cause decreased performance, increased fuel consumption, and increased emissions.
The primary consideration is whether your car requires premium gasoline. If it does, you should use 87-octane only in an emergency. Otherwise, you risk hurting your engine. If your vehicle doesn`t require premium gasoline, 89-octane will work just fine.
The easiest way to tell a 2-cycle engine from a 4-cycle engine is the number of fuel tank and/or oil sump fill ports. A 2-cycle engine has one fill port with a cap that has fuel pump and oil can icon. The cap will usually state the oil to fuel mix ratio.
The best fuel for 4 cycle engines is ethanol free. Even though ethanol free fuel does not deteriorate carburetors like gas with ethanol, we strongly recommend, running the engine until the tank is out of gas, so only put into the tank the amount of gas you feel you will use.
Four cycle engines use the same gas you buy for your vehicle and can contain up to 10% ethanol (you should not use E85 gas as it is not compatible with either 2-cycle or 4-cycle motors commonly found in small lawn trimmers and cutting machines).
The best fuel for 4 cycle engines is ethanol free. Even though ethanol free fuel does not deteriorate carburetors like gas with ethanol, we strongly recommend, running the engine until the tank is out of gas, so only put into the tank the amount of gas you feel you will use.
Premium gas, such as 93 octane, helps high-powered cars run smoothly and efficiently. It`s also more expensive than other types of gas, such as 87 octane. There`s no need to run a small lawnmower engine on high-octane gas, but it won`t hurt your lawnmower, either.
Discover Relevant Questions and Answers for Your Specific Issue
the most relevant questions and answers related to your specific issue
How do I remove and clean air filter? – Briggs & Stratton Lawn-Boy 10640 20-Inch 6.5 HP Gas Powered Lawn Mower
ANSWER : There should be a square of plastic on the side of the engine which is opposite of the muffler. It has a small hex head with a slot cut in it. Remove this plastic cover and the air cleaner should be inside of it.
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I have a Poulan 550 158cc Push Mower. Two Model #’s 96132004200 and PR0550N21RH3. Two Serial #’s 0901075421770 and 011309M001762. The mower will run if primed then dies. The carb. is on the tank. I took the tank and carb. off and blew through all openings. Air was coming out all the openings. Still no fix. Can someone please help?
ANSWER : Does it have fresh gas in it, If so time to rebuild the carb, even though you blew through all holes there is a diaphram inside the carb that pumps gas to it, so I suggest you take the carb apart and clean inside out and replace the diaphram, the way you describe it only runs on primer, tells me the carb is not getting fuel. Good Luck
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My lawn mower briggs & stratton engine 650 series will not start
ANSWER : Check the fly wheel and coil it may have rust on it if so sand it off
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My Toro mower with a Briggs & Stratton engine starts and then cuts off after a few seconds. How do I fix this?
ANSWER : If it starts on choke and then stops may need to clean out carby and fuel tank
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Starts then dies – Troy Bilt 5.5hp Self Propelled Mower
ANSWER : Check oil level. all mowers have oil level cutoff. 30w oil. Remove air cleaner, try to start. Replace filter if dirty.
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What kind of oil does this machine take? – Briggs & Stratton Lawn-Boy Insight Series 21-Inch 190cc 650 Series Gas Powered Engine Variable Speed Self-Propelled Lawn Mower
ANSWER : Hi, sae 30 mineral oil. Regards Phil.
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How does one drain the oil – Poulan Pro PR550N22SH 22Inch Briggs Stratton 550 Series Gas Powered Side DischargeMulch Lawn Mower With High Rear Wheels (NonCARB Compliant) ()
ANSWER : There is no drain plug on that model , one has to lift up the entire machine ,tilt and drain the oil out of the filler spout.
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What type of oil I should use for my mower Troy Bill model 12AV565Q711
ANSWER : Any 30 SAE oil will do.Jim
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