How is the exhaust downpipe fastened on?

Information relating to the Matchless G2 or AJS Model 14 250cc Lightweight
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clanger9
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How is the exhaust downpipe fastened on?

Post by clanger9 »

Quick question:

There is a fixing boss on the exhaust downpipe under the engine, but it doesn't seem to line up with any obvious fixing point.

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Is there supposed to be some sort of fixing bracket under there? There's nothing obvious on my bike (the exhaust is currently held on with a bodged clip further back that I want to get rid of...)
1989 Moto Morini Dart 350
1993 Ducati 750SS
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Janet
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Re: How is the exhaust downpipe fastened on?

Post by Janet »

Mine has a cranked bracket but I don't know if it's the correct one. My exhaust isn't exactly original (except for the rust from the original oxidised metal ).
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clanger9
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Re: How is the exhaust downpipe fastened on?

Post by clanger9 »

Janet wrote:Mine has a cranked bracket but I don't know if it's the correct one. My exhaust isn't exactly original (except for the rust from the original oxidised metal ).
Perfect, ta! :beer:

I figure I can make something like that. I got a nice, shiny new downpipe from Armour's so I wanted to fit the new one properly. It just seemed odd that the boss is welded on to the exhaust in a way that doesn't line up with anything obvious...
1989 Moto Morini Dart 350
1993 Ducati 750SS
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Janet
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Re: How is the exhaust downpipe fastened on?

Post by Janet »

Perhaps it's to give some flexibility between the vibrating engine at the head and the frame where the pipe fits.
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Rob Harknett
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Re: How is the exhaust downpipe fastened on?

Post by Rob Harknett »

For what its worth, the bracket is pt. no. 042541, perhaps Russell Motors have one. I could have a look and measure mine, should not be too difficult to bend something up.
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clanger9
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Re: How is the exhaust downpipe fastened on?

Post by clanger9 »

Aha, I think I found something in the "mystery box o' bits":

Image

I think that might be the right part (it looks like it should fit). Thanks for all the help!
1989 Moto Morini Dart 350
1993 Ducati 750SS
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SideValve
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Re: How is the exhaust downpipe fastened on?

Post by SideValve »

WP_20150710_006.jpg
If it helps here is mine in situ. You can see why it hasn't rusted away in 56 years :¬)
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