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Post by p4ddy on Feb 1, 2014 20:04:51 GMT
I decided it was time to get a compression tester because my bike is always a bitch to start as in takes a couple of minutes & it doesn't have the power which others seem to from what others describe. The readings I got was #1 188psi, #2 190psi, #3 145psi, #4 180psi. The good ones are well within the tolerance but #3 is well over the 28psi variance. The manual says it could be a few things & it looks like I have a top end job to do 'scary stuff' but can it be done without removing the engine?? I really don't want to be taking it out if possible. |
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Deleted
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Reg: Apr 18, 2024 23:10:02 GMT
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Post by Deleted on Feb 1, 2014 20:26:21 GMT
if you pour sum oil in the bore ? you can tell if it is the ring,s/bore or the head ?? oss-popcorn
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Post by p4ddy on Feb 1, 2014 20:29:53 GMT
How will I know? what will happen?
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Deleted
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Reg: Apr 18, 2024 23:10:02 GMT
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Post by Deleted on Feb 1, 2014 20:34:20 GMT
ok if it goes up its the head if it stay,s same bore/piston/ring,s ok oss-popcorn
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Post by p4ddy on Feb 1, 2014 20:37:23 GMT
righto, roughly how much oil? 10ml?
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Deleted
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Reg: Apr 18, 2024 23:10:02 GMT
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Post by Deleted on Feb 1, 2014 20:41:49 GMT
yes then wait a couple of minutes too settle ok and try again ? then find a 1127 and fit that ok  smileystick smiley-shocked003 |
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Post by p4ddy on Feb 1, 2014 20:43:23 GMT
lol I can't say I didn't see that coming  |
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Post by captain chaos on Feb 1, 2014 20:54:15 GMT
ok if it goes up its the head if it stay,s same bore/piston/ring,s ok oss-popcorn are you sure? |
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Deleted
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Reg: Apr 18, 2024 23:10:02 GMT
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Post by Deleted on Feb 1, 2014 21:02:58 GMT
if bore is worn or ring,s f*cked oil will pass through comp stay,s same if it goes up because oil in there must be the head ?? oss-popcorn
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Post by p4ddy on Feb 1, 2014 21:16:29 GMT
Compression just went to 270psi
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Post by p4ddy on Feb 1, 2014 21:34:35 GMT
Just tried again so that oil has had a fair bit of time to seep past the rings & it maxed out the guage at 300psi
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Post by p4ddy on Feb 1, 2014 21:50:38 GMT
So you say the head, you mean head gasket?
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Post by bluedog59 on Feb 1, 2014 22:28:42 GMT
I thought it was that a bit of oil down the bore would up the figures because the oil helped to seal the rings/bore.
That is a massive reading btw, how much oil did you put in ? A leak down test will tell you were the fault is,bores/valves/gasket.
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Post by p4ddy on Feb 1, 2014 22:32:25 GMT
10ml. So I need a new gadget to do a leek down test now then
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Deleted
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Reg: Apr 18, 2024 23:10:02 GMT
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Post by Deleted on Feb 1, 2014 23:02:53 GMT
you put piston too top on that cyl screw adaptor into plug hole put compressed air down it ? and see where it come,s out ? oss-popcorn
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smileystick smiley-shocked003
