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Old 08-14-2014, 06:41 AM   #1
timesarrow OP
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Joined: Aug 2012
Location: Bainsville
Oddometer: 7
Question GSA LC Cam Chain Tensioner issues

Hi all! I have a 2014 GSA with 20,000kms on it now, and am having an issue on start up, which began at about 5000kms. On start up there is a rattle for a second or two from the left side of the engine. Also, when I roll on from lowish RPMs in a high gear I hear what sounds like pre-detonation coming from the engine; it's not a typical knocking sound as you'd get with pre-detonation as in an old car knocking and pinging, sounds more like a rattle from the valve train. From these two symptoms it sounds like a typical case of a loose cam chain due to a faulty tensioner? I know there was an issue with the old 1150's and the left side cam tensioner losing oil pressure between start-ups, but I heard they'd fixed it for the 1200's, and presumably the new LC's? MY 2011 GSA didn't have this issue at all. I am aware of an updated tensioner, was wondering if it fit more than just the 1150's?

Has anyone else with an LC had the same issue? I'm going back to the dealer today to try and get them to look at it again, but so far they say things are normal, having done the valve adjustment at this last service.

Any info appreciated...
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Old 08-14-2014, 06:44 AM   #2
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The noise on startup is typical of all of them, but I don't recall hearing the second noise.

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2013 BMW R1200GS-LC
2008 Suzuki DRZ400
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Old 08-14-2014, 07:04 AM   #3
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Joined: Jul 2004
Location: Omaha, Nebraska
Oddometer: 5,349
My 2014 GSA LC makes all kinds of valve train noise. It got worse when I put on a full coverage skid plate (I think it echos up.) In my case the noise is perfectly normal and every LC bike I have seen or ridden makes the same noises. I have to say that I kind of like it. It has a very mechanical sound to it.
Karl | 2014 BMW R1200GSW Adventure | 2009 BMW G450x

Originally Posted by SchizzMan View Post
We pay Motorrad to design weight off the bike then pay TouraTech to bolt it right back on.
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