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how do you read tire pump gauge

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  • how do you read tire pump gauge

    i've have this zefal bike tire pump for years and can't figure out which scale to look at the bar outer dial, what ever that means then theres the lb/in square in red on the inner dial,

    i was never sure the in/lb always seems too high

    so don't laugh, please confirm
    "a good man knows his limitations" dirty harry
    History
    85 Yamaha FJ 1100
    79 yamaha xs1100f
    03 honda cbr 600 f4
    91 yamaha fzr 600
    84 yamaha fj 1100
    82 yamaha seca 750
    87 yamaha fazer
    86 yamaha maxim x
    82 yamaha vision
    78 yamaha rd 400

  • #2
    Gonna pump you up!

    Hey Mason,

    Just did a quick search, there is a ZEFAL web site, but it's hard to find actual user instructions that show a good close up of the dial. Also, there are MANY different styles, bike/ floor, etc.!

    However, the lb/in should be the correct scale=PSI! These are bicycle tire pumps, and they have a higher scale due to the higher pressures that bicycles use vs. motorcycles, but the accuracy of the scales should be the same!
    T.C.
    T. C. Gresham
    81SH "Godzilla" . . .1179cc super-rat.
    79SF "The Teacher" . . .basket case!
    History shows again and again,
    How nature points out the folly of men!

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    • #3
      thanks t c i douby if this model still exist, circa 1987, but i use it for pumping chores thanks again
      "a good man knows his limitations" dirty harry
      History
      85 Yamaha FJ 1100
      79 yamaha xs1100f
      03 honda cbr 600 f4
      91 yamaha fzr 600
      84 yamaha fj 1100
      82 yamaha seca 750
      87 yamaha fazer
      86 yamaha maxim x
      82 yamaha vision
      78 yamaha rd 400

      Comment

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