To make your own Timing Disc to suit your bike Vincent or other bikes it has adjustable settings go to: https://www.blocklayer.com/degree-wheel.aspx you can pick your own size disc- valve opening and closings degrees then you can glue it to a CD or an old record depending on size: I took this from the FB Velocette page put on there by Rob Morris but I am sure they will not mind us borrowing it can make setting/checking your Ignition and checking the valve cleances a bit easier .... sorry boys and girls if this has been posted before
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