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page under repair How to (re) construct Vintage mufflers on a Norton
A job we did in 2007
This project started as a box of disassembled rusty parts of a pair of '54 Norton Dominater original silencers. These silencers have compound curves and are in left and right hand halves welded together along an external seam. Here are the 4 new parts of steel cut to shape ready to be rolled . The main section has the edges folded to duplicate the seam.
4 parts cut and ready for rolling
Norton race bike photo click here
Tig welding
After rolling the parts are carefully welded together.
How to construct an exhaust.
panel beating.
While welding the side is panel beaten to a nice rounded shape. The tail pipe is added later.
Hand filing
The high spots are hand filed in between panel beating until the shape is just right. Can't file too much off!
High speed sander
A nice shape which started as a flat piece of steel. Next the tailpipe is added, baffles inserted and the halves welded together. Sounds easy doesn't it!!!
Ready for chroming
The mufflers ready for polishing and chroming. There is still a part left over perhaps for future use.
'54 Norton Dominator
We met up again with the owner, James lynch, at the 2010 Sound of Thunder meeting, Ruapuna, and he subsequently sent us a photo of the finished project. Hasn't he made a great job.
photo supplied by James Lynch
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Vintage and rare parts
Become a member and swap information on vintage bikes. We may be able to hand bend headers and construct rare mufflers if we have samples for your motorcycle.
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