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1965 Honda CP77 — Ulsan Metro City, Rep. Korea
Restored with original parts — Owner: J. Doe

CB77 Compression Specs

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madtrout
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Posts: 22
Joined: Tue Dec 07, 2004 6:04 pm
Location: Maryland

CB77 Compression Specs

Post by madtrout » Sat Oct 20, 2007 7:35 pm

Anyone know the proper compression values for a CB77?
Thanks,
Madtrout
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rrekr
honda305.com Member
Posts: 41
Joined: Mon Nov 07, 2005 8:44 pm
Location: Oklahoma

Post by rrekr » Thu Oct 25, 2007 1:06 pm

According to Mr. Silver, 160-175 psi, but it's not exactly clear if this is cold cranking pressure.
If your values fall below this, don't assume you have a problem, there are many varibles that will affect your reading.
Randy
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