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| got bad compression? | |
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1997 Murray Veteran Member
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Age : 26 Join date : 2013-11-13 Points : 5440 Posts : 1311 Location : NW USA
| Subject: got bad compression? December 20th 2013, 2:41 pm | |
| got bad compression? easy fix if it is just the rings! take the spark plug out and add some oil to the cilender(s) spin it over a few times and put the plug back in. if it is your rings it will give you some compression. I've done this to my Kawasaki and my dad's car (cause he was to cheep to get it rebuilt, and the rest of the car was trashed by the p.o. so he said ok, you can try, it won't hurt it). remember, this is not a permanent fix! this will work for a wile, however. then you can use engine restore, which will help to. then when it quits you can rebuild it or find another engine that needs a coil or carb and swap your good parts for the bad ones.
Last edited by 1997 Murray on December 20th 2013, 6:39 pm; edited 1 time in total | |
| | | Doc Sprocket Site VIP
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Age : 51 Join date : 2013-04-21 Points : 7312 Posts : 2914 Location : Ontario Canada
| Subject: Re: got bad compression? December 20th 2013, 4:45 pm | |
| What you are describing is a test procedure. If you have a cylinder testing low, you fire some oil in there and retest. If a compression increase is noted, the rings are the culprit.
Please note that this is NOT a fix, not even temporarily. As soon as you fire up the engine, that oil's gone and your poor compression is still equally poor compression?
The fix? Fixing it. No way around that. | |
| | | willis923 Veteran Member
Age : 28 Join date : 2013-04-10 Points : 5755 Posts : 1408 Location : Galway NY
| Subject: Re: got bad compression? December 20th 2013, 5:10 pm | |
| fixing burnt rings by adding oil? no.. as soon as it starts youre gonna have a smoke-show while the oil burns off. it MIGHT help to get it started, but i doubt it. only way to fix is to, well... fix it, by that i mean top end rebuild if it really is the rings that are ailing. what was described is more of a test. you compression test, give it some oil and test again. helps diagnose the issue | |
| | | Doc Sprocket Site VIP
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Age : 51 Join date : 2013-04-21 Points : 7312 Posts : 2914 Location : Ontario Canada
| | | | 1997 Murray Veteran Member
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Age : 26 Join date : 2013-11-13 Points : 5440 Posts : 1311 Location : NW USA
| Subject: got bad compression? December 20th 2013, 6:27 pm | |
| I know it is a test procedure, but it worked for me, my mower runs great, and so does my dads car | |
| | | Stretch44875 Administrator
Age : 49 Join date : 2012-04-05 Points : 5695 Posts : 959 Location : Mansfield, Ohio
| Subject: Re: got bad compression? December 20th 2013, 6:28 pm | |
| - Doc Sprocket wrote:
- What you are describing is a test procedure. If you have a cylinder testing low, you fire some oil in there and retest. If a compression increase is noted, the rings are the culprit.
Please note that this is NOT a fix, not even temporarily. As soon as you fire up the engine, that oil's gone and your poor compression is still equally poor compression?
The fix? Fixing it. No way around that. Nope, this is what your said! | |
| | | Doc Sprocket Site VIP
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Age : 51 Join date : 2013-04-21 Points : 7312 Posts : 2914 Location : Ontario Canada
| | | | willis923 Veteran Member
Age : 28 Join date : 2013-04-10 Points : 5755 Posts : 1408 Location : Galway NY
| Subject: Re: got bad compression? December 20th 2013, 6:36 pm | |
| - Doc Sprocket wrote:
- Isn't that what I said? LOL
more or less, yeah, BUT, the more opinions the better, right? | |
| | | 1997 Murray Veteran Member
2014 Build-Off Finalist
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Age : 26 Join date : 2013-11-13 Points : 5440 Posts : 1311 Location : NW USA
| | | | Doc Sprocket Site VIP
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Age : 51 Join date : 2013-04-21 Points : 7312 Posts : 2914 Location : Ontario Canada
| Subject: Re: got bad compression? December 20th 2013, 7:24 pm | |
| - willis923 wrote:
- Doc Sprocket wrote:
- Isn't that what I said? LOL
more or less, yeah, BUT, the more opinions the better, right? For sure! I was just tugging your chain. | |
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