matanuska Posted May 10, 2006 Share Posted May 10, 2006 I just finished speaking with several SM’s at local BMW dealerships (who shall remain nameless) to get some insight on my spline failure. At first, I wasn’t going to say anything, but the more I think about it, I realize the information imparted to me is just too valuable for one man to keep to himself. When I first asked about the failure on my K12RS, I (unfortunately) received the expected response: “BMW has no evidence to believe that there is any problems with clutch splines failing prematurely, or any reason to believe that these parts require any more maintenance than…blah…blah…blah…blah.” When I asked as to what could be the cause I was generally told that, for the K bikes, this was undoubtedly due to a previous owner with over enthusiastic throttle control or that the clutch MUST have been replaced before and the person (obviously not a certified BMW tech) didn’t properly grease the spline. Whatever – the whole lubrication debate again – I’m not going there. However, it wasn’t until I pressed further about why so many spline failures on R bikes that I was able to uncover the ultimate nugget of wisdom. Apparently, R bike owners like to pressure wash their machines. This high-pressure spray infiltrates the clutch housing washing away the grease, leading to premature spline failure. So there you have it – straight from the horse’s mouth. All you Oil-Heads need to stop washing your bikes. You are ruining your splines! Link to comment
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