The new bush is pressed in during which the bore reduces, going tight, the bore is then resized to suit the diameter of the crank. BSA used to supply a tool so that it could be reamed to size using the drive side main bearing as a support and guide.
Nowadays the case half is clamped to a table and the bush is either jig bored or honed to size. Not a job for anybody with an electric drill that's for sure, I was lined up to get it done at Draganfly in Suffolk but the bloke decided enough was enough and retired at Christmas. After phoning about it looked like SRM in Wales was the best option, so it was going to be a 400 mile round trip on Saturday, early kick off as well because they shut at 2.
Looking on here Sunday, at front discs I came across this SITE.............
What a result, after speaking to him for a while it was pretty obvious he knows what I'm talking about and keen to get on with it. I whipped in to see him on the way back from The Salt Mine in the evening, Terry, for he is the bloke, is into his bikes major league, small racing stuff is his bag, but other than that it's bikes, bikes , bikes other than bikes that is. Weird shit, never ever met him before, or heard of the works, which is full o' machinery. The addy is The Old Forge and it doesn't disappoint, pics to follow.
So the cases are going over there pronto and we'll see what the outcome is, but it's exciting times people!!!!!!!!!!
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