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K627 rear tire, original?

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    K627 rear tire, original?

    Anybody know if these Dunlops were sent from factory? or how old they would be? I could find anything about them. I need a new front tire, so I was going to do the pair, plus they dont match, front is a Bridgestone I believe.

    #2
    look for a kidney bean shaped molded in thing on the side wall with 4 numbers in it. first 2 are th week of the year and last 2 are the year tire was made..so 1234 would be 12th week of 34
    MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
    1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

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    I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

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      #3
      Those rolling turds haven't been made for many a year. They may predate the use of date codes.

      In any case, replacing both buns with sticky, long-lasting modern rubber is the right move.

      Currently, the favorites are:
      Pirelli Sport Demon -- short lived, the stickiest by a tiny fraction, expensive
      Avon RoadRider - great life, very sticky, somewhat expensive
      Shinko 230 - very sticky, shorter life, great pricing

      If you have an 850G, the correct sizes are 100/90-19 front, 130/90-17 rear. If it's actually a GL, the rear is 130/90-16. The '83 doesn't need tubes, but you should replace the vlave stems.



      IIRC, the factory rubber was usually IRC.
      Last edited by bwringer; 06-14-2015, 11:58 PM.
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