When we bought our 2017 Yamaha, we check both The Villages dealership and external, independent dealerships. Every one we talked to said that while Yamaha designs the engines to work with regular unleaded with 10% ethanol, their mechanics all said that exclusively using non-ethanol ("recreational") gas made for significantly fewer issues and longer engine life. If it was just The Villages dealerships saying that, I might suspect that they were pushing cart owners to the gas stations owned by The Villages. But since the same was claimed by outside dealerships who don't own any gas stations, I thought that maybe they had a point. Other than a couple of times when I was running on fumes and could only get to a station that didn't carry recreational gas, I have always filled mine with recreational gas. While it's more expensive, it also seems to me to be less hassle than filling it with regular but keeping a bottle of additive to throw in. I'm also hoping to keep my cart for a long time, so this feels to me like paying a small premium for hopefully getting a longer life.
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