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 Compression Test on 225
#11159106
10/12/15 04:01 PM
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Joined: May 2015
Posts: 776
bFROG5
OP
Pro Angler
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OP
Pro Angler
Joined: May 2015
Posts: 776 |
What should the compression range be for a 225 merc?
Is 160 on all cylinders too high? 160 is what came back on a boat I've been looking at.
Last edited by bFROG5; 10/12/15 04:02 PM.
Matthew 4:19
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Re: Compression Test on 225
[Re: bFROG5]
#11159504
10/12/15 07:45 PM
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Joined: Aug 2009
Posts: 2,408
dimitri
Extreme Angler
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Extreme Angler
Joined: Aug 2009
Posts: 2,408 |
if its an efi it should be 90-110. not sure about others.
Marine Electronics Installation
[by appointment only in Azle, Texas]
Graphs, Trolling Motors & Battery Chargers
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Re: Compression Test on 225
[Re: bFROG5]
#11159514
10/12/15 07:51 PM
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Joined: Nov 2007
Posts: 5,517
ssmith
TFF Celebrity
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TFF Celebrity
Joined: Nov 2007
Posts: 5,517 |
you need to check your gauge.
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Re: Compression Test on 225
[Re: bFROG5]
#11159814
10/12/15 09:57 PM
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Joined: Oct 2006
Posts: 13,521
Ken A.
Groovy
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Groovy
Joined: Oct 2006
Posts: 13,521 |
Sounds high unless the previous owner milled the heads. I would look for 110-125
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