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Compression test

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Dunlop4
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Compression test

#1 PostAuthor: Dunlop4 » Sun Jul 15, 2018 7:01 pm

I have caried out a compression test on a Z 1000 st E2, it has new valves and the barrels have been honed with new rings. No:1 shows 160psi No:2 133. No:3 140 and No: 4 145 psi. Is these reading what i should expect or are they too far out from one another.

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ZedHead
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Re: Compression test

#2 PostAuthor: ZedHead » Sun Jul 15, 2018 8:39 pm

You need to put some miles on it then retest

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Ultim8pc
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Re: Compression test

#3 PostAuthor: Ultim8pc » Sun Jul 15, 2018 9:21 pm

I believe the 120PSI is the minimum and no more than 20PSI between them.
If it's not been run since the hone, ten as suggested, give it some mile and recheck.
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