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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Cam Identification?
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<blockquote data-quote="BigEd" data-source="post: 130800" data-attributes="member: 161"><p>I have on the bench a front and rear camshaft that I'm told are Mk3's. There are stamps on the shafts as shown in the first two photographs below that appear to be 3F (Front?) on one and what may be 3D on the other but more likely a fade 3R. (Rear?) Both front and rear cams have the symbol stamped in them as shown in the third photograph. Could someone confirm that these are Mk3 cams from these markings?</p><p>I took the timing case cover off yesterday with a view to perhaps trying these cams. What I found was both cam spindles were seriously loose in the case and the camshafts were moving about radially. That would explain the increasing noise level.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" /> </p><p>[ATTACH=full]38714[/ATTACH]</p><p>[ATTACH=full]38715[/ATTACH]</p><p>[ATTACH=full]38716[/ATTACH]</p></blockquote><p></p>
[QUOTE="BigEd, post: 130800, member: 161"] I have on the bench a front and rear camshaft that I'm told are Mk3's. There are stamps on the shafts as shown in the first two photographs below that appear to be 3F (Front?) on one and what may be 3D on the other but more likely a fade 3R. (Rear?) Both front and rear cams have the symbol stamped in them as shown in the third photograph. Could someone confirm that these are Mk3 cams from these markings? I took the timing case cover off yesterday with a view to perhaps trying these cams. What I found was both cam spindles were seriously loose in the case and the camshafts were moving about radially. That would explain the increasing noise level.:eek: [ATTACH type="full"]38714[/ATTACH] [ATTACH type="full"]38715[/ATTACH] [ATTACH type="full"]38716[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Cam Identification?
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