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it has happened, sometimes a results of improper drive belt tension, improper lube/contamination.
even the primary chain over tensioned can damage bearings
I had a bearing fail over Memorial Day weekend. I was 200 miles from home in Louisville KY. I noticed it was whining loudly when downshifting. It would get really loud in first gear with the clutch in. Dealer said they have seen one the week before. I thought he said it was behind the clutch.. I don't remember exactly which bearing it was.. My dealer came that night at 11 pm and got my bike and brought me one to borrow for the rest of the 3 day weekend! Pretty awesome!
My 2011 SG howls in first gear when coming to a stop. The dealer in Australia I use said it was normal ? If these are being replaced in the USA as a warranty item, I'd like to know about it.
There has been a trans problem all you have to do is search for in on the forums. There was even a Service Bulletin M-1284 that changes the belt tension. This is a cut from it.
Table 1. Drive Belt Deflection Specifications Change: 2009 and Later Touring Models MODELS PREVIOUS (Typical) NEW in mm in mm FLHX, FLTRX 1/4-5/16 6.4-7.9 1/4-7/16 6.4-11.1
All Other Touring Models 3/8-7/16 9.5-11.1 3/8-9/16 9.5-14.3
From what I can tell from reading and from experiance alot of people have had the issue when running SYN-3. If you pull the trans clutch acttivator cover on the right side of the trans and see gray sludge or metal fileings then you will know you have a main drive gear bearing problem. Some of the ones not having problems are running 75w-140, 85w-140 synthetic gear oil any brand but the MOCO oil.
I had a bearing fail over Memorial Day weekend. I was 200 miles from home in Louisville KY. I noticed it was whining loudly when downshifting. It would get really loud in first gear with the clutch in. Dealer said they have seen one the week before. I thought he said it was behind the clutch.. I don't remember exactly which bearing it was.. My dealer came that night at 11 pm and got my bike and brought me one to borrow for the rest of the 3 day weekend! Pretty awesome!
I looked at that for the bike I just rebuilt the trans on. When I called for it hey told me they were backordered until August they only build 100 at a time and cant keep them in stock. Couldnt wait needed to get the bike on the road.
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