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Old 09-01-2004, 05:58 AM
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Uk Merc Man Uk Merc Man is offline
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Join Date: Oct 2003
Location: South Coast, UK
Posts: 119
results of compression test - ok?

hi all,

I had several problems with my idle since my timing chain and tensioner replacement...see here http://www.peachparts.com/shopforum/showthread.php?t=101020

I bought a compression tester and ran a compression test this evening to see what’s occurring - results as follows:

1 12.2 bar
2 12.8 bar
3 12.9 bar
4 12.8 bar

So, cylinder 1 is slightly down, does anyone have thoughts on that? Bad valve or something? I have no blowback so am confident rings are ok, engine still runs as good as ever from 2000 rpm upwards.....
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