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Author Topic: R65 compression  (Read 701 times)

professorfate

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R65 compression
« on: August 24, 2014, 08:13:18 PM »
Can't seem to get the search engine to work so I'll ask what a good compression reading should be?  125# or more? :-?
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Offline Mike V

  • Lives at Base of Mt. Olympus
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  • 78 R100/7 , 81 R65
Re: R65 compression
« Reply #1 on: August 24, 2014, 08:58:38 PM »
Professor,

You may already know ... best values are obtained with healthy battery, adjusted valves, warm engine and carbs removed.
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Mike V. / San Diego
'78 R100/7 (original owner)
'81 R65 (fully restored)

Offline nhmaf

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  • Free at last, Free at last!
Re: R65 compression
« Reply #2 on: August 26, 2014, 12:08:57 AM »
I'd say that if you test according to Mike's details and get 125 PSI or above on each cylinder, you're good.
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Airhead #12178 ? BMWMOA #123173 ?BMWRA #33525 ?GSBMWR #563 ?1982 BMW R65LS ?1978 BMW R100/7 1998 Kawasaki Concours
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