Had both rear coils bad in my 07, dealer replaced both and told me that they were new numbers so that it was most likely a upgraded part. Bike ran great and 2 weeks and 1500 miles later the left rear goes out again. I hope that this is not going to become an ongoing problem. If I had wanted to spend this much time figuring out alternative transportaion I could have bought the "Other" brand. Really beginning to wonder if this bike can be trusted.