Points Plate Orientation

Information relating to the Matchless G5 or AJS Model 8 350cc Lightweight
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Points Plate Orientation

Postby Cosmic-Wizard » Sat Jun 23, 2018 9:10 am

Hello, me again :mrgreen:

I have one more question to ask, then I promise to leave you all alone and post my rebuild thread. I promise. :lol:

I have done some searching in the workshop manual and online, but I'm unable to find out the correct orientation of the points plate. It seems it can locate in 4 different places and the marks that have been made don't want to line up at any point.

Any chance one of you lovely people could tell me where the points are meant to sit? I think they want to go at the top (about 1o'clock), but the marks are way off.

If you have a pic, even better.

As always, many thanks.
James

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Re: Points Plate Orientation

Postby Mick D » Sat Jun 23, 2018 10:01 am

Hi

The position of the cam should define where the plate fits - set the engine to 1/4" BTDC and fit the points assembly to be at the point of opening. Then follow the timing procedure in the workshop manual.

Regards Mick

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Re: Points Plate Orientation

Postby clanger9 » Sat Jun 23, 2018 10:42 am

There’s no key on the points shaft, so the points plate is fitted “wherever it opens the points around TDC on the firing stroke”.
Ideally, it should be as shown in the manual, but the previous owner may well have fitted the points shaft with a different orientation.
1966 AJS Model 14 250 CSR cafe racer
1989 Moto Morini Dart 350
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