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Don't know if it applies to newer models, but I had a temp guage on the rear cyl of my '80 FLT. With head or tail wind the rear was hotter, if a side wind the ran pretty close, if I kept feet on the floorboards it was hotter, highway pegs cooler. Air flow made a big difference (295*-260*). Air temp made little difference.
Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.
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