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Build/date codes

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asphalt900

Build/date codes

#1 PostAuthor: asphalt900 » Sun Dec 13, 2009 3:49 pm

Does any one know how to decipher date codes from calipers. Seems not to fit to Showa system. Thanks
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z2.john
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#2 PostAuthor: z2.john » Sun Dec 13, 2009 5:00 pm

never noticed these. where are they? what code do you have?
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asphalt900

#3 PostAuthor: asphalt900 » Sun Dec 13, 2009 5:12 pm

John these are on the bottom, piston side. Early two-piece and later kz all had a letter followed a number. Example Y1 this a caliper taken off a known 74.
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Davy Doherty

#4 PostAuthor: Davy Doherty » Sun Dec 13, 2009 5:14 pm

Usually stamped on the very bottom of the caliper John, But i'm not sure they are date codes though,
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tlc
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#5 PostAuthor: tlc » Sun Dec 13, 2009 5:15 pm

My thousand / 900 calipers (I have a small collection) have U, P and Z codes.

Maybe they are more like batch codes than date ?
Asphalt Cowboy Z1100R, 1981 Z1000J
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asphalt900

#6 PostAuthor: asphalt900 » Sun Dec 13, 2009 5:21 pm

Batch codes make sense, similar to stampings on tanks. Thanks Guys!
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