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KZ1000 Compression PSI

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Farmer
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KZ1000 Compression PSI

#1 PostAuthor: Farmer » Tue Jan 13, 2015 10:51 pm

I`ve checked the compression and they are all just on or just over 140 psi, so I`m assuming there ok. could someone tell me what it should be please ?. :)
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Al
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#2 PostAuthor: Al » Tue Jan 13, 2015 11:06 pm

140 PSI is 9.5 to one.
Standard compression ratio for that bike is 9.2 : 1

AL
1981 J1
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Z1parR
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#3 PostAuthor: Z1parR » Tue Jan 13, 2015 11:06 pm

Should be between 128psi and 156psi , yours seem healthy .
0172 . Geoff Parr
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zed1015
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#4 PostAuthor: zed1015 » Wed Jan 14, 2015 8:10 am

You are good with 140psi.
More importantly is that the readings have no more than around a 15psi difference between the highest and the lowest as this could indicate abnormal wear or issues with valve seating etc.
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jimmock
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#5 PostAuthor: jimmock » Wed Jan 14, 2015 8:12 am

That is the kind of answers I just love.
Jimmock. :wnkr


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Farmer
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#6 PostAuthor: Farmer » Wed Jan 14, 2015 7:30 pm

zed1015 wrote:You are good with 140psi.
More importantly is that the readings have no more than around a 15psi difference between the highest and the lowest as this could indicate abnormal wear or issues with valve seating etc.

They were all between 140 and 145 psi, so should be ok then, thanks for all the replies :)
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