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Old 01-11-2013, 11:43 AM   #1
CrashTestDanny OP
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Engine Oil Leak - What is it?

Hi all,

Wondering if someone might help identify the possible source of an engine oil leak I found on my way home tonight.

Low oil indicator came on whilst riding. First look showed engine oil dribbling down both sides of the engine aft of the cylinders. At home whipped off the side panels and tank to get a better look. Found a pool (!) of oil sat on top of the engine (under the alternator), which had splashed the surrounding parts (from air flow I presume). Oil cooler and pipework dry.

Anyone know where the leak might be coming from?

Need to get sorted this weekend as I use her daily and have a 600 mile/week commute.

Thanks guys.
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Old 01-11-2013, 11:46 AM   #2
LaurelPerryOnLand
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CTD...

How about some pics?
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Old 01-11-2013, 12:03 PM   #3
bdarling
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Without pictures this is pure speculation, but I would start by checking the oil cooler hard lines where they leave the engine. You didn't mention which oilhead you have, but on the 1100/1150, one of the lines leaves the top of the engine near the alternator. Follow number 8 on your bike.



*Edit* Judging from your comment about removing side panels, I'm going to guess you have a 1200GS. Here's your oil cooler:
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Old 01-11-2013, 12:36 PM   #4
CrashTestDanny OP
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[IMG]C:\Users\Dan\Pictures\Transport\Bikes\R1200GS[/IMG]

Sorry, new to forums and not sure how to paste photos from my c-drive. Hopefully the above has worked.

She's a 2010 R1200GSA. The oil cooler matrix is absolutely fine, and the hard lines to the engine are dry too. Have wiped around the joint to the top of the engine; looks sound but will try to check in the morning after a short run.
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Old 01-11-2013, 01:12 PM   #5
acejones
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Check the air box.
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Old 01-11-2013, 01:35 PM   #6
LaurelPerryOnLand
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These are a few of my favorite things...

100 THREADS all GS/GSA owners should read.
http://advrider.com/forums/showthread.php?t=836736

70. HAVEN'T FIGURED OUT HOW TO POST PICTURES...CAN YOU HELP?
http://advrider.com/forums/showthread.php?t=919

or the written instructions just below this link...in the above thread.
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Old 01-11-2013, 01:38 PM   #7
LaurelPerryOnLand
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Quote:
Originally Posted by CrashTestDanny View Post
[IMG]C:\Users\Dan\Pictures\Transport\Bikes\R1200GS[/IMG]

Sorry, new to forums and not sure how to paste photos from my c-drive. Hopefully the above has worked.

She's a 2010 R1200GSA. The oil cooler matrix is absolutely fine, and the hard lines to the engine are dry too. Have wiped around the joint to the top of the engine; looks sound but will try to check in the morning after a short run.
Unfortunately, you can't post pictures directly from your computer.

Pictures have to be linked to a photo-sharing website like Photobucket or Smugmug.

A link on how to do is posted for you immediately above.
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Old 01-11-2013, 01:40 PM   #8
JetSpeed
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I had a similar oil leak recently on my 2005 R1200GS, but it was on the left side and just aft of the cylinder, I originally thought it was coming from the cam chain tensioner but upon close inspection I discovered it was coming from one of the bolts that holds the engine cases together, after tightening it down to spec I found that every bolt I could reach was not tightened to spec. tightened everything up with a torque wrench and the leak went away.
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Old 01-12-2013, 04:04 AM   #9
Nigel Tailyour
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I had that too and it was my fault. I had overfilled the oil level for several weeks because I did not read the instructions. R1150 GS
The oil is collected in the air box when you overfill. See the thick black hose on the RHS of the underside of the airbox coming up from the crankcase.

So I only check oil levels when the bike has sat overnight and the oil in the cooler has drained down. I leave the oil can on the fuel filler to remind me in the morning. Always check on centre stand - never leaning on side stand.

It might be the problem for you,
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