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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Valve Timing
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<blockquote data-quote="redbloke1956" data-source="post: 23565" data-attributes="member: 2299"><p>I am about to replace the Cam spindle, large idler and small idler on my Comet so I thought I would try and get my head around the timing marks on the various gears.</p><p>I have turned over the engine until the two marks on the large idler line up with the two marks on the cam gear, at this point however the other marks do not line up and the engine is near BDC, if I keep turning the engine over can the two marks coincide at another time (some revolutions later)or is this a once in 79 rotations thing?</p><p> </p><p>Thanks in advance</p><p>Kevin</p></blockquote><p></p>
[QUOTE="redbloke1956, post: 23565, member: 2299"] I am about to replace the Cam spindle, large idler and small idler on my Comet so I thought I would try and get my head around the timing marks on the various gears. I have turned over the engine until the two marks on the large idler line up with the two marks on the cam gear, at this point however the other marks do not line up and the engine is near BDC, if I keep turning the engine over can the two marks coincide at another time (some revolutions later)or is this a once in 79 rotations thing? Thanks in advance Kevin [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Valve Timing
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