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Post by copper99 on Oct 19, 2012 16:31:39 GMT 1
Need your advice please.
My restorer believes the crank may need a rebuild, slight movement in all axis and an end float of 1mm.
Is that normal and within tolerance?
Im guessing not and id rather errr on the side of caution and get it done.
He uses BDK in Norfolk, who have a good reputation I understand.
Any advice/comment appreciated.
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Post by steve h on Oct 19, 2012 17:18:50 GMT 1
I would err on the side of caution, after all you'll have peace of mind & thats something I cannot put a price on! ( I would have it looked at anyway, whenever the cases are split)
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Post by copper99 on Oct 19, 2012 17:26:36 GMT 1
Its the restorer....he's a fair chap, he asked me over to show me and ask what I wished to do, he said it may last 50 miles or 500, in his opinion but its my choice.
He also had a newly refurbished crank (from a KR1) to show me the tolerances on that, i could feel the difference in them.,,,but he did say, my engine did sound sweet when it was started and it may just be "how they are"....hence my post on here.
He is going to speak to BDK anyway, its up to my where I take the crank if I wish to get it rebuilt but thats who he uses, from everything from bikes from the early 1900's to Goldwings...
Im erring on getting it done I have to say but I appreciate your input.
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db8888
Thrash Merchant
Posts: 329
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Post by db8888 on Oct 19, 2012 18:31:32 GMT 1
Hi i rebuild my own cranks also have an sps boring bar to do the rebores about the crank even if the crank is within tolerance it dosent mean its ok due to the age and where its been there will certainly be damage to the bearing surfaces the best option is a new crank but if you rebuild it
i always change the center webs even if they look ok there are 5 parts to the big end the rod the pin and the bearing + 2 shims they need to be new and run in together some people change the rod and bearing on an old pin because it looks good i think thats crazy
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