Join Date: Apr 2005
Location: Eastern Washington, , USA
This final drive had 114,000 miles before the first failure. When it went down it it began as a low hum, no leakage or bearing play, then let go completely taking out the aluminum faceplate as well, which had to be replaced. Took it to the dealership which rebuilt/replaced parts but didn't flush it around the pinion area as the first oil change at 500 miles break-in indicated because I got "chunks" or leftover bearing out (my first clue things may not last in this drive). I changed the fluid again at 1000 miles with more debris and again at 3000 miles, still with debris. I called them concerned and they said a flush probably wasn't done but to call them again at 10,000 miles if I still had stuff coming out.
Needless to say I called them as I was getting light glitter, no sludge, took it in to them at 12,000 miles and they drained the oil saying nothing was there and refilled it telling me there was nothing to worry about. I put another 6,000 miles on it and my last ride before the snow hit (Oct 10) it began that dreaded pulsating hum that sped up with the tire rotation and I parked it for winter.
During Winter I did the fuel and air filter service and the snow left the roads this month so I took it out 3 times and the pulsating hum was still there, drained the fluid, took pics, called the dealership and am going to pull the FD this week to drive it over on Friday back to the dealership who has said they will take care of it since it is still under warranty and I have a record of concern. I am sure the leftover debris is a contributing factor to this premature failure, among possible other things, lazy on their part will cost them money and me a little time and money getting it there.
All the glitter in the pic was picked up with a plug magnet, but there was so much that I am sure the magnet couldn't collect it all, and the stuff in the bottom of the container was picked up with a magnet as well so I am fairly confident there is no faceplate or housing material in the oil (that I can see anyway).
I love this bike, it is set up exactly how I want it, and I won't abandon it over this but I am on the hunt for a quality spare FD now as well now that I've been bit twice. Any bike over 10 years old will cost you in maintenance to a fair degree and while it didn't leave me on the side of the road,my 1986 Yamaha Venture Royale which I had before my LT(s) was the same in that aspect... between the carbs, valves, forks, handling issues and electronics I had to repair/replace, my beemer has had only one weakness, and is loved a heck of a lot more. I'm keeping her, I just need some quality in the FD rework department.
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