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OZ ATV :: The Australian ATV Forum
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BC250R
Joined: 23 Jan 2007
Posts: 375
Location: Stockton Dunes if i'm lucky
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 Posted: Thu Jun 07, 2007 9:47 am Post subject: ORing groove depth? |
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Recently oringed one of my heads. I'm using 1.8mm (70thou) Viton orings. I cut the groove to a depth of 1.3mm (50thou) as this is what a friends banshee coolhead was cut to running the same thickness orings. The inner oring leaks between the cylinder and the water jacket. it seems as though there is not enough squish on the oring. Are my grooves too deep? Could someone please help me with the correct depth?
Thanks, Brett.
PS. 86 ATC250R with 197psi kicking compression
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ATV PRO
Roostin Away
Joined: 13 Feb 2006
Posts: 888
Location: Central Coast, NSW
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| Posted: Sun Jun 10, 2007 7:25 pm Post subject: |
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Usually ist 50 % the depth of the o ring ,hope this helps
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Cheers
Len
ATV PRO Pty Ltd |
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