Frame sections - 250 or 350?

Information relating to the Matchless G5 or AJS Model 8 350cc Lightweight
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Frame sections - 250 or 350?

Postby Martin.S » Sun Nov 04, 2018 8:33 pm

I have just acquired some more parts so I am again loosely assembling the G5 frame.
Firstly is it normal to have to spread the main frame a little to fit the main channel?
Secondly I think I may have a 250 exhaust bracket channel as the G5 pillion spindle is not going to fit, would it just be a case of shaping the square holes to fit the G5 spindle or is this channel different in other ways?
IMG_20181104_193758.jpg


Thirdly the Riders foot pegs - one of these I believe is wrong - hopefully the slimmer one as the serrations are knackered.
IMG_20181104_193847.jpg

IMG_20181104_194002.jpg


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Re: Frame sections - 250 or 350?

Postby clanger9 » Sun Nov 04, 2018 9:05 pm

Q1: yes, the weight of the engine hanging off the downtube seems to spread the frame a bit.
Q2: no idea. I have two different spare frames here (see this thread), if either of those is the right one for your bike then you are welcome to have it!
1966 AJS Model 14 250 CSR "cafe racer"
1993 Ducati 750SS

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Re: Frame sections - 250 or 350?

Postby Martin.S » Mon Nov 05, 2018 9:44 pm

Thanks again Paul, using your pictures I modified mine.
Now what about those footpegs?

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Re: Frame sections - 250 or 350?

Postby cbranni » Tue Nov 06, 2018 7:41 am

Curved foot rest is lightweight the straight footrest is heavy, my guess

Colin
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Re: Frame sections - 250 or 350?

Postby Martin.S » Thu Nov 08, 2018 8:15 am

I think you might be right there Colin - All I need now is another one of those curved fatter ones ;)

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