WebYes, you can put 91 octane in your lawnmower. However it’s a waste of money as most engines on lawnmowers are lower compression than your average car and wouldn’t be … WebJan 7, 2024 · These products cannot be used in small engines such as lawnmowers, edgers, weed eaters, and so on. To drive at high altitudes above 5,000 feet, use 85 …

Small Engine Gasoline Guide - The best fuel type and …

WebGasoline and Octane John Deere tractor mowers use unleaded gasoline, which is available from any service station. You can use any octane rating, from 87 up to "premium" 92, which burns cooler and helps to prevent engine knocking. Don't use gas/oil or two-cycle gas in a four-cycle mower engine. WebJun 3, 2015 · Most gas contains 10% ethanol, and most cars are designed to run on unleaded regular. But Julian believes the higher the octane the better, for your lawn mower, and using gas that is... mountainair meds and more pharmacy

Can you put a 91 octane gas in a lawnmower? - Quora

WebAs a rule of thumb, a minimum of 87-octane containing up to 10% ethanol is the recommended gas for lawn mowers. Ensure that the lawn mower gas type is fresh and … WebDec 17, 2024 · There's no need to run a small lawnmower engine on high-octane gas, but it won't hurt your lawnmower, either. The only harm might be the dent left in your wallet from using the more expensive … WebNov 19, 2006 · The high octane in the mix engines is the best thing you can do for them! 89 in the mower is 10 times better than the 87..... the higher the octane, the slower the gas burns, a slower burning gas means that if you develop a "hot spot" (usually carbon buildup) on a piston that caused PRE detonation the bulk of the explosion won't occur till AFTER … healybrothers.co.uk/obituaries