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Silver Member
207 Posts
Discussion Starter #1
For those of you with the HJC CL-12 helmets that have noted that they whistle:

I was taking a close look at mine and noticed that the little teeth on the visor that provide the detent stops for the different positions of the visor did not line up perfectly. As a result, the visor would never quite close completely and just enough wind could get through to create the whistling noise. It was real close, but not exactly right.

I got out the Dremel tool and reshaped a couple of the teeth on the visor. Now, the visor closes tightly and the whistling noise is much, much less. I don't think the helmet is or will ever be in the "quiet" category like some of the higher end helmets, but it is much better than it was.

Take a look at yours and maybe this will help.

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