First of all you didn't say if the housing is plastic or metal. The problem with cracks on parts exposed to constant vibration is that if you don't interupt the crack it will continue even after you attempt to repair it. To stop the crack from getting longer you need to drill a small hole at each end of the crack. o~~~~~o something like this. Make sure the holes are into the crack, but also into good material. If the housing is plastic I would patch it from the inside with a peice of fiberglass cloth impregnated with a good 2 part epoxy. Make sure the cloth extends at least an inch around the edges of the crack on all sides. Rough up the plastic with sandpaper and be sure to get all of the air bubbles out of the patch.
If it is metal, the housing will need to be removed for welding as the wires usually found inside the headlight housing will be affected by the heat. At this point it may be in your best interest to just replace the housing due to removeing and replacing it, with all the wiring, is the hardest part of the job. I would TIG weld it if thats the route you plan to take, but even this method is a crap shoot dealing with the thin metal used in these housings, and if it is chrome plated any weld is going to look like crap and eventually rust. You might also try a metal patch applied from the inside with pop rivits. Good luck.
2007-03-23 12:48:23
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answer #1
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answered by dirk d 3
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Cracked headlight? Replace it.
The bike will not pass a state inspection with cracked lenses.
The head light probably cracked due to road debris being thrown up from the road.
If you repair it with any adhesive, it will affect the angle and itensity of the light beam. Not very safe.
Break open your piggy bank and buy a new one.
2007-03-22 03:00:56
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answer #2
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answered by guardrailjim 7
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Use clear 2-part epoxy. I've used this on a number of headlight and tailight housings. It is clear and unnoticeable.
Mix the two parts. Overlay a thick bead on the crack. Let it dry for a day.
2007-03-22 09:07:37
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answer #3
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answered by Anonymous
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i had a 97 cr 250 that had the same problem i used a small wire welder at low temp. and beaded aline of wel on it then went back and put som jb weld on it and it held for a lil bit over a yr. then i sold it and bought a cr450f!
2007-03-21 20:17:47
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answer #4
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answered by grady c 1
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For a temporary fix, use JB Weld. But I'd get that head replaced ASAP.
2007-03-21 20:10:51
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answer #5
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answered by C J 6
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Duct tape and bubble gum.
2007-03-22 06:20:02
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answer #6
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answered by bill b 5
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If it's on the lense, use clear RTV sealant
2007-03-22 01:12:47
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answer #7
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answered by Anonymous
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