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Timing Disc make your own to suit your bike


tom wilson

Active Website User
VOC Member
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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vibrac

Well Known and Active Website User
VOC Member
I suppose all most of us need is a 1/4 of a disc 45 deg BTDC to TDC thats certainly all I need nowadays
 

Magnetoman

Well Known and Active Website User
VOC Member
I suppose all most of us need is a 1/4 of a disc 45 deg BTDC to TDC...
Except, you need ~90 deg total to be able to use a hard stop in the spark plug hole to accurately zero it. However, since with a hard stop you'll have to swing the engine through almost 360 degree anyway, there has to be sufficient clearance for a full disc even though ~270 degrees of the disc is wasted.
 

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