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Message: [QUOTE="phorton, post: 926380, member: 61562"] Thank you LWillmann and viking20 for the replies. Good to hear someone say the bearings are not too much of a pain. Freeze the bearings, heat the cases. Got it. As far as a press for the bearings go, can I use wooden blocks in a vise or is there a special tool called a "bearing press"? Seems to be a lot better to move them slowely than by pounding on them. And also nice info on annealing the copper gasket ... it IS all copper and I'd heard about the treatment you describe. Your confirmation of the process means it's a for-sure for me. I will also probably take your advice on not messing with the head due to the re-bore. It's an old bike anyways. I just want it to run good, not super-top-notch. If it looks like the piston might touch the head, should I dremel the head out a tidge? After reading your post, the crankshaft still holds some mysteries for me. As per your advice, I will see how Motogrid does with the rest of of my order and probably order a new crank pin, just to have it in case I do the crankshaft. I will be especially gung-ho to do so if I can find someone who says they can put the crank together (align it, as you say), after I take it apart. We'll see ... I'm batting 0 for 2 on the motorcycle dealers service shops I have called so far. I've got a couple calls into independent cycle repair shops, but they havn't returned my calls yet. Is it likely a general automotive machine shop would be able to do the boring and crank-aligning? Also, On each side of the crankshaft, between the bearings and the crank itself, are shims that mate with the bearing and provide proper clearance to the crank case. Apparently they come in 6 thicknesses to compensate for wear and tear. I noticed on Motogrid that the middle and larger sizes are backordered, indicating that these are common wear items. The question is "Any chance these are screaming?" doesn't sound like it, but maybe you have some experience that says they too should be replaced. Finally, I could also ask the same question about the spacers, spring washers, etc that go on the crank and transmission shafts and in the clutch .... in general they don't look too bad, and when worn, probably each incrementally adds to the racket the engine makes, but I doubt they are the source of the "screaming", which I believe to be the top end bearing and or rings-scratching-walls. In general, does it sound like I'm on the right track? [/QUOTE]

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