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AFT's History of the XR750


American Flat Track's website is continuing their interesting history of the development the XR750, 50 years old this year. They talk to engineer/tuner Bill Werner and racer Scott Parker and go into the depths of port shape and valve spring material


Go to American Flat Track to read more.


#harleydavidson #xr750 #ScottParker #AmericanFlatTrack #BillWerner