Replacement of airfilter box on C5 Classic

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Re: Replacement of airfilter box on C5 Classic#92824

By grha - Mon Sep 07, 2020 3:41 pm

- Mon Sep 07, 2020 3:41 pm #92824

Well, you see in Switzerland we got to get our motorbikes through a very strict MOT every other year. And there, they do actually take out a microphone and a sound level meter! And it's not just the sound level produced with an idling engine, they also measure the noise when you are opening the throttle - and that's where the rub is, for me. The intake noise is no problem when the engine is idling, but it becomes a very big issue when you rev the engine up.
So, you may understand now why I'm so frantically looking for a solution to my air filter problem. If I can't come up with anything reasonable, I will have to take everything back to its original form - and I simply don't like those bulky metal side boxes very much.

Re: Replacement of airfilter box on C5 Classic#92825

By Haggis - Mon Sep 07, 2020 3:45 pm

- Mon Sep 07, 2020 3:45 pm #92825

Sometimes, Latuerbrunnen a couple of times and even managed a week in Davos that was half price. Thank goodness.
Also Pfunds in Austria lots of times and run up to Samnaun for duty free petrol.

I also see a number of the austrian passes are not allowing motorcycles at weekends.
Lots of on the spot sound checks and €250 fines.
Lots of brand new bikes straight out the showroom are now too noisy.

Off Route, Recalculate?

Re: Replacement of airfilter box on C5 Classic#92826

By trophyvase - Mon Sep 07, 2020 3:53 pm

- Mon Sep 07, 2020 3:53 pm #92826

I get your point grha about MOT testing.

But the point I had in mind was that without a noise level meter who's to know what is within or outside the legal norm?

Re: Replacement of airfilter box on C5 Classic#92827

By Haggis - Mon Sep 07, 2020 3:59 pm

- Mon Sep 07, 2020 3:59 pm #92827

I think you'll find that Polizei will have one in their boot.
https://www.tuningblog.eu/en/kategorien ... ch-279473/

Off Route, Recalculate?

Re: Replacement of airfilter box on C5 Classic#92828

By grha - Mon Sep 07, 2020 4:35 pm

- Mon Sep 07, 2020 4:35 pm #92828

Okay, got in touch with the guy from ACE. They discontinued the airbox years ago, due to supplier problems. So that's gone, then. Unless somebody has one of these things somewhere in a garage or a dark corner of a basement.

Re: Replacement of airfilter box on C5 Classic#92831

By vince - Mon Sep 07, 2020 5:41 pm

- Mon Sep 07, 2020 5:41 pm #92831

Hi, is it too much hassle to put the original on for the mot then swap it back?. Alternatively try so sort of sound proofing around the filter. Vince

Re: Replacement of airfilter box on C5 Classic#92832

By grha - Mon Sep 07, 2020 6:11 pm

- Mon Sep 07, 2020 6:11 pm #92832

Hi Vince,
Yep, it's gonna be the soundproofing thing. Putting the original back on is quite a bit of work. Thanks for the tip.

Re: Replacement of airfilter box on C5 Classic#92833

By stinkwheel - Mon Sep 07, 2020 6:17 pm

- Mon Sep 07, 2020 6:17 pm #92833

I wonder if an original "tea caddy" style air filter would fit?

It should be quieter than a pod filter. May not flow enough air though.

https://accessories.hitchcocksmotorcycl ... ters/19007