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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
When was the switch from "B" to "C" primary cover?
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<blockquote data-quote="b'knighted" data-source="post: 31712" data-attributes="member: 59"><p>On the primary side there was a change to the clutch cover with the earliest being round with a change to a beveled bottom “corner”. C20 to C20/1? When did this occur?</p><p></p><p>I believe one of the original round covers was modified by a grinding process using a tarmac bonded abrasive held statically while the part to be machined was moved against it, in a linear plane, by a petrol powered machine.</p></blockquote><p></p>
[QUOTE="b'knighted, post: 31712, member: 59"] On the primary side there was a change to the clutch cover with the earliest being round with a change to a beveled bottom “corner”. C20 to C20/1? When did this occur? I believe one of the original round covers was modified by a grinding process using a tarmac bonded abrasive held statically while the part to be machined was moved against it, in a linear plane, by a petrol powered machine. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
When was the switch from "B" to "C" primary cover?
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