Seems none of the regular gas users mention fuel addictive, do you not use any? I used regular gas in my Yamaha cart from new in 2011 until 2015 and used the Sta-Bill addictive as instructed by the Yamaha store. Once I didn't use my cart for 3 months and it ran sluggish for quite a while even though I used the addictive. I tried the non-ethanol gas (recreation gas) at the Marathon Station on 466A and the cart has run great ever since. It costs more per gallon but no more addictive needed, that $10 a year, and the cart runs smoother.
