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One of many winter jobs on the bike was fixing the fairing.
Ducati ST4
Ducati ST4
6w ago

One of many winter jobs on the bike was fixing the fairing.

Lower left half was broken in two pieces, top fairing a piece was barely holding on and another big chunk missing. Read online that abs plastic can be melted with a soldering iron so i grave it a try and it worked great!The technique required is to first align the two pieces. Then, with the flat tip of the soldering iron, cut though both pieces at a 45º angle and keep on making what I would call waves of material. Be careful not to go through the paint obviously. After that i leveled the wavy plastic once again with the iron to make it more uniform and strong. Cleaned everything then put on top of that a mixture glass fiber and bicomponent epossidic glue. Put a layer of heat shield on top and it seems to be working great.For the missing piece on the top fairing, where you can see a white colour, it's simply a lego brick (so sad to sacrifice one for the cause but oh well) melted to the desired shape, I just made a quick mold with paper tape to define the edges and once again reinforced with glue and glass fiber...Hope this helps someone and ride safe

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Comments
  • Other times, for extra strength, you might consider metal staples if you simply clamp one in pliers and heat it on a gas burner or torch... Also, when welding thermoplastic with a soldering iron, you can use cable ties as a welding rod to fill in all the voids.
    Reply
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