supra5677
Pro
Posts: 1279
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posted February 13, 2006 09:43 AM
oil leak
To Board:
I have what appears to be an oil leak on the top left side of my engine.. I don't know if its coming from the valve cover gasket, or maybe that sending unit on top.. Anybody have any ideas..
supra
   
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fish_antlers
Administrator
The Truth is Out There
Posts: 21894
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posted February 13, 2006 09:52 AM
it's coming from the inside! 
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MadMike
Moderator
FEAR THE BLACK FLAG!!!!!!!!
Posts: 6579
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posted February 13, 2006 10:16 AM
top left side could be the Cam sensor... and I would say Fish is one Smart Ass SOB!!! he is 100% correct....
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supra5677
Pro
Posts: 1279
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posted February 13, 2006 10:34 AM
To fish do you think it could be the head gasket?
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magzx12r
Expert Class
Posts: 252
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posted February 13, 2006 12:51 PM
Many ZX-12R's have leaked at the valve cover gasket. Clean off all the oil on the engine and go for a ride and see if you have any more oil seeping out.
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Mark
'03 ZX-12R
'12 1199S
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tuusinii
Pro
Posts: 1031
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posted February 13, 2006 01:05 PM
I also thought it was the valve cover but it found out to be the cam sensor. I would check it first - it's also a cheaper.
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blitzkrieg
Needs a job
Road kill = Free lunch.
Posts: 2044
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posted February 13, 2006 06:05 PM
 Edited By: blitzkrieg on 13 Feb 2006 18:06
My experience has been with the clearance fit valve cover bolts on the 12 a good seal the second time around is iffy. The third time ain't gonna happen.
Heat and time shrink the valve cover gasket and you are at a disadvantage once you break the orginal seal.
I tried to save $38 (damn, Kawasaki is proud of that gasket) but it leaked on the left front corner of mine after use #2.
You can silicone sandwich it on re-use but I don't think its worth the muss and fuss.
Just my .03 (adjusted for inflation).
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zx12mark
Pro
Posts: 1654
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posted February 13, 2006 07:41 PM
anytime i take one off a 12 i put a new one on. ....shit i tell you..on my zx11 i had it on and off at least 6 times and no leaky.....ten years old.
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speedgene
Zone Head
Posts: 996
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posted February 14, 2006 01:27 PM
Edited By: speedgene on 14 Feb 2006 13:29
On a "scale" from 1 to 10, "fish" scores a 10 for the correct diagnosis. Then again, you have to question someone who uses a hard frozen green Fish-stick  to check his oil levels.
Generally, tricks to oil leaks are viewed by starting way above (what you think is the "obvious" source) and then look down from there. (sorry, smoking a bowl-confused which sentence to use?) Even though you see a leak, or an oil peppered zoned in a certain area, it is general practice to find that most sources (for the leak) hide somewhere above. A classic auto "miss-diagnosed" example (a novice will learn) would be seeing a leak on the transmission pan, remove the whole Trans, then find out the original leak is at the intake manifold.
High-pressure was the bike, or use brake/contact cleaner to dry the whole area spot free of oil. There are two ways chasing oil leaks. One is lighting up the bike and letting it warm up. A "leak" will be immediately noticed by flow. On the other hand, if this is a slow "seep" (or sweat) type leak, then it will take literally miles before the oil is forced back onto the area. This type leak is has to be monitored very carefully for accuracy. Hope this helps chasing your leak.
So, is this a leak, or a seep?
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mokaw
Expert Class
Posts: 153
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posted February 14, 2006 05:09 PM
quote:
On a "scale" from 1 to 10, "fish" scores a 10 for the correct diagnosis. Then again, you have to question someone who uses a hard frozen green Fish-stick to check his oil levels.
Generally, tricks to oil leaks are viewed by starting way above (what you think is the "obvious" source) and then look down from there. (sorry, smoking a bowl-confused which sentence to use?) Even though you see a leak, or an oil peppered zoned in a certain area, it is general practice to find that most sources (for the leak) hide somewhere above. A classic auto "miss-diagnosed" example (a novice will learn) would be seeing a leak on the transmission pan, remove the whole Trans, then find out the original leak is at the intake manifold.
High-pressure was the bike, or use brake/contact cleaner to dry the whole area spot free of oil. There are two ways chasing oil leaks. One is lighting up the bike and letting it warm up. A "leak" will be immediately noticed by flow. On the other hand, if this is a slow "seep" (or sweat) type leak, then it will take literally miles before the oil is forced back onto the area. This type leak is has to be monitored very carefully for accuracy. Hope this helps chasing your leak.
So, is this a leak, or a seep?
Did trenace change his name?
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Every knee shall bow, every tongue confess that Jesus is Lord!
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