G11/PIPE

Information relating to the Matchless G11 or AJS Model 30 600cc twin
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stubbs
Posts: 58
Joined: Wed Jan 01, 1992 12:00 am
Location: SURREY UK

G11/PIPE

Post by stubbs »

Tried Armour`s or Russel`s ?
jmbradford
Member
Posts: 24
Joined: Mon Jan 01, 1990 12:00 am
Location: MIDDLESEX UK

G11/PIPE

Post by jmbradford »

I tried to find a siamese pipe for a 600 twin but Armour's said not available.
I am using 59 650 heads so the exhaust ports are larger , I bought a stainless siamese pipe for a 650 and had to resort to cutting it and bending it to fit.
You need to bend the pipe upwards and away from the engine as it passes the front oil pipe area.The clamp to accept the left pipe also needed removing and re-angled to fit.The system is a little tricky to remove because the angle of the left pipe into it's clamp is not as straight as the original , the whole assemly has to be loosened and removed as one piece.
That said unless you count the fins it looks like a 650 , and very few people realise it is a heinz 57 variety.
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