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Message: [QUOTE="Cr_125, post: 1052716, member: 67426"] Hi, I have just replaced my crank with a hotrod crank and the crank bearings and all the oil seal etc,,, The problem is I have only run one tank of gas through the tank and the flywheel can move about ½ mm and it makes a knocking noise when you move it. The bike it self runs excellent no strange noises or nothing when running. I just noticed it when I was cleaning the bike. Usually when the flywheel has movement this means that the crank bearings are worn out, but they have only about 2 hours riding on the new bottom end rebuild. I don’t know if the moved ½ mm when I put it all back together or if it happened when I was riding. Any one have any ideas why they are moving after such a sort time of riding. The old bearings the number on the side was 63/22c4 and the new ones I put in the number was 63/22-2rs ,would the difference in the last numbers have anything to do with it?? If it is just a matter of replacing the crank bearing that’s not too big of a deal But what im worried about is what if it’s the crank journals worn (it’s a brand new hotrod crank) what can I do then, is there any way of getting that fixed?? Thanks this is really pissed me off big time so any help would be brilliant. Thanks [/QUOTE]