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Author Topic: cb 350f head gasket change  (Read 453 times)

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Offline ewgoforth

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cb 350f head gasket change
« on: February 11, 2014, 09:47:33 AM »
Hello,

My cb350f was leaking pretty bad at the head gasket the last time I rode it 3 years ago.  I got a NOS head gasket on eBay. I was looking at my Clymer manual and it said I'd also need spigot o-rings.  I did a head gasket on a cb650 twenty years ago and don't recall anything like that.  Are these still available?  Anything else I need?  I'm thinking the CB650 might have had an o-ring around an oil passage too.  Can you use regular hardware store o-rings?  I'm thinking they wouldn't take the heat.

Eric
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Offline rb550four

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Re: cb 350f head gasket change
« Reply #1 on: February 11, 2014, 10:34:34 AM »
You have to know the size and thickness. if it's anything like the 550's , neither the hardware nor automotive store would have it . Neither does Honda bike shops... but I have heard that they can be found in Honda Marina division, guess they use them in outboards .
  So I'm looking around on line and found a supplier that claims it can make any o ring without setup costs,
or may have what you need in their vast inventory
http://www.marcorubber.com/
I wonder what it might cost for a thousand or so , just to have them on hand?
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A few Honda 500's, a few Honda 550's, a few Honda 650's, '72 cb 450, a couple 500/550/650 hybrids, and 2001 750. 
  550 Snowbike -Somebody had to do it.
  http://forums.sohc4.net/index.php/topic,101678.0.html             
http://forums.sohc4.net/index.php/topic,137317.msg1550907.html#msg1550907

Offline iron_worker

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Re: cb 350f head gasket change
« Reply #2 on: February 11, 2014, 11:20:35 AM »
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