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2005 R1noise level

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Wafer_Thin_Ham
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PostPosted: 07:11 - 09 Aug 2015    Post subject: 2005 R1noise level Reply with quote

I know I should just go down to the track and get them to test it, but thought I'd ask in case someone else on here runs the same model for trackdays.

2005 R1 with Ti Akra race cans and a decat link pipe. Will it sneak in under 101dB on the ACU test method?
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P.addy
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PostPosted: 08:20 - 09 Aug 2015    Post subject: Reply with quote

Probably not. When I took my SV which I stock with a bigger can it got 99 but the daytona with a scorpion bolted on was touching 104. Neutral
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G
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PostPosted: 08:53 - 09 Aug 2015    Post subject: Reply with quote

Paddy. wrote:
Probably not. When I took my SV which I stock with a bigger can it got 99 but the daytona with a scorpion bolted on was touching 104. Neutral

102.9 last time checked - though as it was a 102 limit they may have just been being nice Smile.

When it comes to a ten year old bike and presumably not-new cans (they'll get louder over time), there's too many variables... but I'd expect 101db is pushing it a bit.

Brands GP?
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monkeybiker
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PostPosted: 09:14 - 09 Aug 2015    Post subject: Reply with quote

You might get away with sticking one of these up the pipe

https://www.ebay.co.uk/itm/Universal-exhaust-silencer-insert-baffle-motorcycle-40mm-/331365973722

I used one to pass an mot many years ago.
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P.addy
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PostPosted: 09:25 - 09 Aug 2015    Post subject: Reply with quote

G at brands the tester gave me a word and said it's 104 and excessively close to the limit and said to expect a flag. I'm to slow to make them flag me Sad
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Wafer_Thin_Ham
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PostPosted: 11:22 - 09 Aug 2015    Post subject: Reply with quote

G wrote:


Brands GP?


Ooooo yes. Bedford Autodrome near me is also 102. Time for a repack maybe.
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0l0dom0l0
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PostPosted: 16:20 - 11 Aug 2015    Post subject: Reply with quote

Wafer_Thin_Ham wrote:
I know I should just go down to the track and get them to test it, but thought I'd ask in case someone else on here runs the same model for trackdays.

2005 R1 with Ti Akra race cans and a decat link pipe. Will it sneak in under 101dB on the ACU test method?


I highly doubt it.

I went to brands the other day to get the TL tested as wanted to do the evening session and the noise limit was 102.

It got tested at 104/105 ish. I think in reality it's probably a bit more than that though. I'm a little worried to sign up to a 105db day with it as I have no baffles I can put in.

Only track that don't seem to care is donnington. I've never been noise tested there.

So yeah - best way is just go to one and get them to test it.
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Bikes: 2007 Derbi GPR 50, 1998 Yamaha Fazer 600 (written off), 2002 Yamaha Fazer 600, 1994 CBR 600F, 2003 Triumph Daytona 600, Kawasaki ZX6R J1.....Current: 2006 Yamaha FZ6, 1998 Suzuki TL1000R and a Honda VFR 400 NC30.
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Fizzer Thou
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PostPosted: 19:04 - 11 Aug 2015    Post subject: Reply with quote

I did Donington years ago and the limit was 105.

When my friends FJ1200 failed at 130 he went away and found some roofing insulation and a baked bean tin and jammed that into the end of the 'silencer'.Once it passed the noise test he ripped it all out and did not get stopped,luckily Thumbs Up
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