The title is "PRO SPEC NSR250R complite data book ver 2001"
From what I can tell it has data on Harc-Pro. i-Factory, JHA racing, ABLE racing, Ethos design, and dog fight race bikes. It's got part numbers and defintely some jetting/needle information with temp. humidity recordings. It's also got some measurements, and stuff on gears, and I see PGM mentioned around the place.
Sorry I can't decipher more. There isn't much to it, and I doubt it wouuld be useful to all but the seasoned expert, and even then probably just a curiosity.
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MC28 SE -sold-
MC21 with RS250 engine -for sale-
MC21 race bike -soon for sale-
