4-stroke, of course. Much better MPG, last times more than a 2-stroke, cleaner. I love reliable machines that cost me less and are better for the environment. I depend on my scoot to take me to work and back every day, summer and winter. The only interesting 2-stroke is Aprilia's Ditech, but it is way too expensive.
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50cc 139QMB, 7g sliders, manual petcock w/ transparent lines, Naraku CDI, Naraku belt, high output racing coil, 18.4mm CVK clone w/ #85 mj and #38 idle, needle @ leanest, OEM pipe mod, Kenda tires, NGK Iridium, lots of LED mods, 2.61L/100km (90 MPG)
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