I've had Willie do my 2011 Yamaha cart servicing for many years, and not just for normal yearly maintenance. In 2015 when the Marathon Station opened on 466A I started putting non-ethanol gas in my cart. The cart had been on regular gas for 4 years and this first time out I played 18 holes at Belle Glade and the minute I left the parking lot on the way home the cart died. It would only run at 4mph. I called
Willie's Cart Service the next day and he came out and said that clean gas had loosen up all the built-up ethanol crud in the carburetor and fuel lines. He flushed everything out and tested the cart and the cart has run great the last 5 years. Another cart servicer that I would use if necessary who is mentioned just as much on TOTV with doing fine work is
Todd Casey.
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http://www.toddcaseygolfcartrepairs.com/