AJS & Matchless Owners Club

Posted: **Thu Jan 09, 2003 9:15 pm**

Hi,
can anyone tell me if the G9 500 was fitted with flat top pistons from 1960 onwards?
thanks

john

Posted: **Sun Feb 09, 2003 9:02 am**

I have a 1960 G9 the pistons have a small dome with cutouts for the valves, they are not flat.