latest addition to my collection of broken bikes is a
91 NSR 250R MC21 (derestricted), had it for a day before it heat seized on me on the way to manfield on sunday.
top chamber is fucked / piston got a wee hole in it and the bottom piston is moving around a bit to much.
so does any body know ......
if a mc28 engine will bolt in and/or if there will be any problems with electrics (swipe card vs key)
if the engine will not bolt right in and/or there are ignition problems with a newer engine, will the barrels, pistons, rings be compatible with the MC21 bottom end
if anyone has a got a motor (any nsr model) sitting in there garage for me, with good barrels
cheers
mike
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