Thread size on Cylinder for rocker cover bolts?

Information relating to the Matchless G2 or AJS Model 14 250cc Lightweight
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ade
Posts: 37
Joined: Sun Oct 02, 2016 7:34 pm
Location: Calne Wiltshire

Thread size on Cylinder for rocker cover bolts?

Post by ade »

simple one today. What's the thread size for rocker cover bolts? Thanks in advance.
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thornebt
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Joined: Sun Apr 19, 2015 9:13 am
Location: Somerset, UK

Re: Thread size on Cylinder for rocker cover bolts?

Post by thornebt »

On my 1957 G80S the rocker box threads should be 5/16" BSF, 22TPI. However, a previous owner has helicoiled them as metric 8mm 1.25 pitch! Cheers. Bruce.
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