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Discussion Starter · #1 ·
Does anyone know the correct pound pressure for the radiator cap on a CX650? Thank you in advance.
 

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Discussion Starter · #3 ·
Thanks, OCR. The old cap appeared to have 6.9 on it, but it was in very poor condition and difficult to read.
 

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'84 CX650E that is evolving into a GL500
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5 to 7 psi.
I'm posting in this ancient thread because someone found this incorrect information and it needs correction before someone else is mislead by it.
All CX/GL650 models use the same 0.9 atmosphere (= approx. 13 PSI) rad cap that the CX/GL500 and most other liquid cooled Honda motorcycles and cars of the time used (as well as most other cars, light trucks & motorcycles of other brands).
 
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