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Originally Posted by FenneyFanatic
A gentlemen just posted that he looked at the pumps and found no sign of golf cart gas. I hope this is not true. Thoughts?
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Before buying my first golf cart last year, I researched this very topic some to try and find out more. From Yamaha documentation, I read that in mid-2017 Yamaha changed their EFI Drive 2 engines to run with unleaded 89 octane, less than 10% alcohol fuel. My owner's manual specifically states fuel with less than 10% methanol and then follows with a separate notice to avoid methanol fuels. So how to read that?? I've been running 93 octane regular fuel now for a year and have had both great performance and no issues (we live here full time and have 2 carts 2017/2021). I can't speak to earlier models of Yamaha carts or other manufacturers, but this information I found directly from Yamaha references. In fairness, methanol tends to "suck" moisture from the air and it can accumulate in your fuel tank if left sitting for a while. All that said, if you plan on storing your cart for a period of time, like you're a snowbird, at least drain the fuel system before putting it away to prevent gunking and methanol deterioration from sitting (would be the same for pretty much any engine). Also, an additive such as Sta-Bil can help with storage. Long story short, if you use your cart regularly and don't let it sit, less than 10% methanol regular is probably OK. If you want to be super-safe and not deal with it, non-methanol works better. Either will make your Yamaha cart go zoom-zoom.
For what it's worth.