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Post by irbaboon on Aug 8, 2011 19:40:05 GMT 1
Hi Guys. Can anyone tell me what the Y-1, Y-2 or Y-3 markings mean on the YPVS Heads? I am told that the Y-1 is high compression but I thought that was the Y-3 one!  |
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Post by midlifecrisisrd on Aug 8, 2011 21:09:51 GMT 1
hi,
supposed to be 1-3 low to high but some one actually measured it and there is only a bawhair between them.
Steve
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Post by Norbo on Aug 9, 2011 8:41:54 GMT 1
I agree i heared the same no signifacant diferance.
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Post by irbaboon on Aug 10, 2011 0:38:05 GMT 1
thanks guys
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Post by irbaboon on Aug 11, 2011 23:35:48 GMT 1
All this high compression stuff could akk be a mith then!
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Post by midlifecrisisrd on Aug 12, 2011 21:51:34 GMT 1
All this high compression stuff could akk be a mith then! There were 1UA heads but they were not fitted to european bikes. They had a totally different combustion chamber shape. Steve |
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