I have a 1947 model 18 which I am returning to the road after a 60 year lay up. There is a slight kink in the top tube just in front of the carb. Should it be there?
Frame Model 18
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A bend in the top tube is…
A bend in the top tube is not unusual, see photo of a 1956 frame (50/ES2/19S). 1950 ES2 has a similar bend.
Ian McD
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My 1952 ES2
Is similar although it's plunger suspension. I suspect it's to clear the extra height of the OHV engine and allow for the rockerbox / head to be removed.
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mod 18 frame
Hi Dean all post war cradle frames have a curved top tube ,it may be an idear to get the frame allighnment checked ,i have a 1947 16h and a mod 18 both had sidecars fitted at some time and both had bent frames Regards Roger
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I’ve added a picture,…
I’ve added a picture, according to other responses it should be there. Thanks
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A bit baffled. Why assume…
A bit baffled. Why assume your frame needs 'sorting'? Everyone has said the top tube shape is correct. And it's hard to see how a crash would bend it up like that.
Put wheels on and see if they are parallel or if there is a twist.
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I presume Roger Deadman …
I presume Roger Deadman (above link) has had a twist else where on the frame. Looks to me if the top tube should be like that.
Thanks Dean Ghest
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My 16h 1947 had a small…
My 16h 1947 had a small lateral misalignment (not front), in the frame. I managed to take it to its place, with long force levers and a good fixation anchor (without temperature) (I hope you understand the translation)
Greetings, Gerardo ..
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Can you upload a photo? I have a kink free 1936 Model 18 but a picture would be useful..