Just purchased a 03 660R... It is used not entirely sure how hard or what not. The dealership I got it at said they replaced rear axle bearings. And last night when I was out riding. I started hearing a grinding noise. Didn't hear it all the time only when making a turn so I jacked the rear end up tonight and took ahold of the rear wheels and I could move it forward and backwards and notice It had a spot where it wouldn't do that but in another spot it would do that. Also having a problem with backing up. The rev. limiter is kicking in off and on. one time it will engage next time it won't hit in. and back up normally. And last night I had the rev limiter stick up on it.