Posts: 3480
Location: Elk River, Minnesota | Hiya,
It would not hurt the engine that I would know of, but you'd be paying a bunch of money for something that is only going to be more stable burning. Unless you have done extensive work on shaving the heads to increase compression significantly, the 110 octane is wasted cash. Higher octane is used in racing engines because the engines themselves have been "hopped up" so to speak...
Even with the mods that yamaha has for it's older 2 stroke engines, the most you would ever had to run is 91 octane...
Steve
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