43mph 48cc stock internals +- 1500 miles later

Discussion in 'Motorized Bicycle General Discussion' started by Ahmedy, Nov 8, 2015.

  1. Ahmedy

    Ahmedy New Member

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    A little bit of an update . Bought a compression tester today and tried it out. Got a reading of 85psi , 5.8 : 1 . Ambient temperature 36 degrees Celsius. Altitude is 1384 meters above sea level.
     
  2. crassius

    crassius Well-Known Member

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    never checked one of those small motors - did you have the throttle open when checking?
     
  3. sbest

    sbest Member

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    Throttle must be open for accurate compression reading.
     
  4. Ahmedy

    Ahmedy New Member

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    Whoops my bad. No I didn't have the throttle wide open. I'll give it a try later during the week or when I get a chance again.
     

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