The silencer of a two stroke MX bike needs to be packed with fibreglass to keep the sound down and the horse power up.
Back in the early days the silencers were welded shut so making them throw away. But with a little effort we can rebuild them.
First cut the end off trying to make the cut as straight as possible.
Ji
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Thread: Vintage MX Bike Silencer End Cap
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06-09-2010, 04:28 PM #1
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Vintage MX Bike Silencer End Cap
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06-09-2010, 04:39 PM #2
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If there is any packing still inside remove it.
Wear a face mask and wet the fibres first then place old packing in a sealed plastic bag.
This old packing will be dead from oil and carbon.
JiGrip it and Rip it
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06-09-2010, 04:50 PM #3
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I went down to my local ali shop and purchased tubes that were as close to the diameters as possible.
JiGrip it and Rip it
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06-09-2010, 04:54 PM #4
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Cut the tubes to the right length and turn or sand to fit.
Bevel all edges for ease of fit.
JiGrip it and Rip it
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06-09-2010, 04:57 PM #5
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Cut and shape the seperator plate and fit.
JiGrip it and Rip it
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06-09-2010, 05:01 PM #6
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TIG weld up the internal tube.
JiGrip it and Rip it
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