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85mm 12.5.1 CR on GSR Head

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Old Sep 22, 2004 | 09:13 AM
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Default 85mm 12.5.1 CR on GSR Head

Is there anything that needs to be done for it to work properly like open up the chambers or can it be setup with stock chambers?
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Old Sep 22, 2004 | 09:56 PM
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Default Re: 85mm 12.5.1 CR on GSR Head (1quickhatch)

you'll need to enlarge the combustion chambers to 85mm diameter
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Old Sep 22, 2004 | 09:58 PM
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Default Re: 85mm 12.5.1 CR on GSR Head (WrongWD)

It will work with stock chambers. Opening them up will create more volume, thus losing compression.
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Old Sep 22, 2004 | 11:08 PM
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Default Re: 85mm 12.5.1 CR on GSR Head (Ti3d in)

https://honda-tech.com/zerothread?id=889248
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Old Sep 23, 2004 | 07:15 AM
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Default Re: 85mm 12.5.1 CR on GSR Head (EVOL)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by EVOL &raquo;</TD></TR><TR><TD CLASS="quote">https://honda-tech.com/zerothread?id=889248</TD></TR></TABLE>

Thanks. Great info.
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