Is there a fix for this? CalSci windscreen cracking - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 10 Old 07-03-2016, 02:48 PM Thread Starter
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Is there a fix for this? CalSci windscreen cracking

Had this windscreen about 3 1/2 years. Anything I can do about this split that's creeping?


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post #2 of 10 Old 07-03-2016, 03:05 PM
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Drill a very small hole at each of the crack to stop it from going further.
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post #3 of 10 Old 07-04-2016, 01:01 AM Thread Starter
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Small hole all the way through?

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post #4 of 10 Old 07-04-2016, 01:18 AM
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Small hole all the way through?
Yes. Through-drill with about a 3/16 diameter bit, suggest if you are not experienced with drilling Plexiglass or other thermoplastics to go to the hardware store and get a drill bit for drilling plastic. It will have a sharper point to help drill without further cracking. If you can, practice on some other scrap plastic before doing the real thing. It isn't hard to do, just need to have a little "feel" for it. The purpose of the hole is to help relieve the stress that is causing it to crack. Check the mounting screw that is in the middle of the crack, it may be too tight.

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post #5 of 10 Old 07-04-2016, 01:29 AM
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I've always used just a 1/16" bit, not a 3/16"

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post #6 of 10 Old 07-04-2016, 05:04 AM
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Whatever works.

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post #7 of 10 Old 07-04-2016, 07:10 AM
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Its worth trying the hole, but IMHO you've left it a bit too long and it will likely start to crack again from the hole as the stiffness of the screen has been compromised by the length of the crack.
There is a guy in our gliding club who has repaired substantial cracks in acrylic cockpit canopies by grinding the crack to open it up and then filling it with an acrylic glue. After polishing it is almost invisible, but it takes a lot of time and probably years of practice. Good luck!

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post #8 of 10 Old 07-04-2016, 08:24 PM Thread Starter
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Looks like I'm buying a new windscreen soon then.

Thanks everyone.

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post #9 of 10 Old 07-05-2016, 12:40 AM
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CalSci

Advises not to tighten the mounting bolts very much as it will lead to cracking. I have a new CalSci for about 1 yr now, and it has developed a crack near the port, just like the old one did. I really like the product and will not change just for this problem.
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post #10 of 10 Old 07-05-2016, 09:35 AM
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I would do as others have suggested, drill small hole at both ends of the crack and use ATV silicone to seal both the drilled holes and as much of the crack as possible. Then -- if the repair is too unsightly for you -- paint the lower portion of the windscreen flat black or whatever color you prefer. You don't look through that portion anyway. I painted half of mine just to get a dark background the for GPS on a shelf. Doesn't help much, but it's something.

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