HC Pistons or not ???

Information relating to the Matchless G12 or AJS Model 31 650cc twin
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Joined: Sun Dec 03, 2017 7:17 pm
Location: LANCASHIRE UK

HC Pistons or not ???

Postby Flick5848 » Thu Dec 07, 2017 6:36 pm

I am about to embark on a rebuild of my 1960 Model 31 and thought it be a good opportunity to fit the high compression pistons the club offers.

Is this a good idea or do I need to make other changes ????

Thanks in advance

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