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Author Topic: Compression check  (Read 3137 times)

Offline mwood7800

  • Curious
  • Posts: 2
Compression check
« on: December 20, 2012, 01:44:38 PM »
Did a compression check on 87 k75 cold, throttle closed was 115 on all 3. Then did one with warm motor throttle open and was 190 all 3. Is this normal? Motor has 57000.
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Offline wmax351

  • ^ Quintessential Motobricker
  • Posts: 1237
Re: Compression check
« Reply #1 on: December 20, 2012, 08:06:11 PM »
Sounds about right. The open throttle is the correct one. Most important is that they are all equal. I would do a WOT one cold too, but sounds fine.

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  • Albuquerque, NM
  • 91 BMW K75 Standard, 98 Moto Guzzi California EV
Bikes:
Current:1991 BMW K75 Standard, 1998 Moto Guzzi California EV11
Past: '83 BMW R65LS, '75 Honda CB550F, '69 Honda CB175, 1999 Royal Enfield Bullet 500, 1973 Triumph Tiger TR7V, 1971 BMW R75/5 in Toaster outfit, 1979 Harley Davidson XLS-1000 Sportster Roadster
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