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Author Topic: Oil leak. What to do?  (Read 2764 times)
stopintime
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S2R 800 '07
« on: May 07, 2022, 09:37:27 AM »
Not my first...  bang head

Dripping from the horisontal head/cylinder junction - the cooling fins under it. Oil on the exhaust, oil cooler lines, starter motor and during a ride it spreads. It may have started last summer (the oil mess was there then - but less).

I have planned to replace the cylinders this year, in July. Usually 5-6 thousand km from now.


Any ideas other than to remove it and replace o-rings?
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Howie
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« Reply #1 on: May 07, 2022, 09:57:03 AM »
You could try retorquing, but it probably won't help.  Is the breather in the original location?  if so, that could be the problem.
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stopintime
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« Reply #2 on: May 07, 2022, 01:16:45 PM »
Quote from: Howie on May 07, 2022, 09:57:03 AM
You could try retorquing, but it probably won't help.  Is the breather in the original location?  if so, that could be the problem.

Retorquing is easy enough, so I can do that.

Breather in it's normal position and it sweats oil. However - it has done that before and much more than now - without ending over/around/under the front cylinder.
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252,000 km/seventeen years - loving it
stopintime
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« Reply #3 on: May 08, 2022, 07:31:24 AM »
Not torqued yet. I don't have the tool. Maybe I can borrow the dealer's tool.

I found out that there is no leak during a relaxed ride. At or under 5,000 revs. Maybe heat plays a role too. Haven't tested that.
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Howie
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« Reply #4 on: May 08, 2022, 08:21:55 PM »
What year is the bottom end? 
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stopintime
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S2R 800 '07
« Reply #5 on: May 08, 2022, 11:06:37 PM »
Quote from: Howie on May 08, 2022, 08:21:55 PM
What year is the bottom end? 

I can't remember here and now. Bought it from Nick and had everything transfered, blue printed and overhauled two years ago. I could dig to find out.
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Howie
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« Reply #6 on: May 09, 2022, 11:37:17 AM »
'01s had that problem.  I'm not sure if it was all '01s, or limited to only '01s, but as my foggy memory recalls the fix was to plug the gallery and just use the metal gasket and sealer.  For obvious reasons, do not do this unless without  being sure this is the problem!  Maybe ducvet has good info?
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ducpainter
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DILLIGAF
« Reply #7 on: May 09, 2022, 01:50:00 PM »
Quote from: Howie on May 09, 2022, 11:37:17 AM
'01s had that problem.  I'm not sure if it was all '01s, or limited to only '01s, but as my foggy memory recalls the fix was to plug the gallery and just use the metal gasket and sealer.  For obvious reasons, do not do this unless without  being sure this is the problem!  Maybe ducvet has good info?
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stopintime
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« Reply #8 on: May 09, 2022, 02:44:16 PM »
The year is likely around that period. I couldn't find the info.

The typical problems are mostly between cases and cylinders. No? This time, my first, it's cylinder/head.

I can't remember last time I had a dry engine for a year.  bang head
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Howie
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« Reply #9 on: May 09, 2022, 09:50:15 PM »
Oh! Cylinder head bang head  Disregard what I said and save your phone call money Tongue
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