Timing marks

Information relating to the Matchless G80 or AJS Model 18 500cc Heavyweight.
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Timing marks

Postby Stephen R » Mon Sep 09, 2019 3:02 pm

I am the proud owner of an ex-Tim Ramsay 500 special.

The engine is a '59 18CS but I wish to fit some normal touring cams which I recently bought.
Tim left me instructions to use no.2 spot on inlet and no1. spot on exhaust, but that produces ridiculous timing.
Also he wrote the inlet is a C1 and the zorst an SH, but in the bike was a SH on inlet and E on zorst.

Which timing marks should I use on the touring cams please?

Steve

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Re: Timing marks

Postby dave16mct » Mon Sep 09, 2019 3:07 pm

This should tell you all you need to know:
http://archives.jampot.dk/Technical/Gen ... e_Dots.pdf
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Re: Timing marks

Postby Stephen R » Tue Sep 10, 2019 5:27 pm

Thanks Dave, I think I've got it right now

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