Posted January 11, 200718 yr Hi, can anybody give me some information on engine and frame numbers that start with 4LO and 4L1, ie : what goes with what bike, year of build etc, thanks, Darren.
January 12, 200718 yr Moderator 4L0 = 350 4L1=250 lc built around 1980/81 go to www.yamaha-rd.com they wil help you with more info merv
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