Cylinder head change

Information relating to the Matchless G80 or AJS Model 18 500cc Heavyweight.
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Cylinder head change

Postby Pharisee » Mon Oct 30, 2017 10:26 am

Could anyone tell me what year the cylinder head casting was changed to use the short push rod tubes, please?

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Re: Cylinder head change

Postby dave16mct » Mon Oct 30, 2017 11:09 am

1956.

Dave.

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Re: Cylinder head change

Postby Pharisee » Mon Oct 30, 2017 11:33 am

dave16mct wrote:1956.

Dave.


Thank you, Dave :)

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Re: Cylinder head change

Postby Pharisee » Mon Oct 30, 2017 11:44 am

There was another change later.... What year would that have been (both use the short push rod tubes)?

From this (ignore the text) :-

Image

To this (ignore the text) :-

Image

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