Rebore

Information relating to the Matchless G12 or AJS Model 31 650cc twin
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ratty45
Posts: 3
Joined: Tue Aug 29, 2017 3:24 pm
Location: United Kingdom

Rebore

Post by ratty45 »

I have a G12 and I have had a look at the pistons and discovered the pistons are already +40. The engine requires a further rebore, what are my options? Thanks in advance.
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Stuoyb
Posts: 1229
Joined: Tue Jul 27, 2004 1:00 am
Location: BEDFORDSHIRE UK

Re: Rebore

Post by Stuoyb »

You can re-bore up to +.060" or have the barrels re-sleeved.
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