The Cushman I owned many, many years ago had a governor on it so it would not go faster than about 35 MPH, and that was downhill.
All the best,
Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)