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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
manual cam ring for a twin
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<blockquote data-quote="b'knighted" data-source="post: 27978" data-attributes="member: 59"><p>Simpler surely to have a standard cam ring modified. If I recall correctly (a most unlikely occurrence) the locating notch in the back has to be extended into a cutaway to allow the appropriate amount of rotation and a small notch is cut in the outside for the cable end mushroom to engage in. The position of the mushroom notch must be more critical than exact positioning of the cutaway. If the cutaway could be done without disturbing the locating notch, by rotating the cam before deciding on the mushroom notch position, the cam could be more easily returned to static/ATD use. That will probably give problems ensuring that the sparks occur at a position that permits the slip ring to conduct them to the HT leads.</p></blockquote><p></p>
[QUOTE="b'knighted, post: 27978, member: 59"] Simpler surely to have a standard cam ring modified. If I recall correctly (a most unlikely occurrence) the locating notch in the back has to be extended into a cutaway to allow the appropriate amount of rotation and a small notch is cut in the outside for the cable end mushroom to engage in. The position of the mushroom notch must be more critical than exact positioning of the cutaway. If the cutaway could be done without disturbing the locating notch, by rotating the cam before deciding on the mushroom notch position, the cam could be more easily returned to static/ATD use. That will probably give problems ensuring that the sparks occur at a position that permits the slip ring to conduct them to the HT leads. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
manual cam ring for a twin
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