Exhaust Setting off Alarms

[TheDonUK]

I went to a Giant ASDA last night and as i was leaving a guy from londonbikers.com happened to pull up, in the course of the conversation it came up that about 10 meters from us was a mint RS125, covered, chained, alarmed, owned by one of the ASDA workers,

So as i started my bike (Picture underground/multistorey carpark) nothing, then every time i blipped the trottle his alarm would sent out the warning beeps, made me chuckle.

Do any BCF'ers reguarly accidentally or not set of car/bike alarms in such a mannor?

As to the science behind it would i be near the mark in saying its just the sound vibrations, consentrated in this case, triggering his sensitive alarm?

(For the record i havent got a stupidly loud can, just a nice meaty Blue Flame)

[Blackwolf]

Yep my Akra would od that to some, as did my ART can on my CB 400 it does make you smile and have a small giggle to yourself
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Current: Ducati Multistrada 1200s

[Davie_G71]

I also have a blue flame, carbon one if it makes any difference and i have set alarms off in busy main streets.

You're right about the science, it's the deep frequency of the sound that make the sensors go weak at the knees.

Not bike related, but i used to have a fairly well tuned 200SX with a ridiculous exhaust on it that when driven through a multi story would do it's best to light up every car in it's wake.

I found it most amusing.!

[Dom]

When I had my SV with its full race system I pulled up outside the local tyre place and set off the car alarm of one of the guys working there. I guess I only noticed it as I was parking up at the time - it wouldn't surprise me if I'd set a few off whilst riding past them but without noticing. Quite fun.
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[Mr Nice Guy]

I've set off car alarms quite a few times. My mate with a 996 with Termis set off an Impreza at the weekend with the worlds most ridiculous alarm, we were falling about laughing
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Suzuki GSX-R750K4 ~ Mivv GP

[garth]

Both dukes do.

The xj now makes children cry. This makes me smile.
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You ain't a has been if you never was

[TomR6]

My Termi does awesome backfires sometimes, setting off car alarms, making old folks dive for cover. Shame it's FI so can't do them when I want
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2005 Yamaha R6

[-Savage-]

When my standard system had a rust hole in it, it would set off alarms, and now I have a Remus straight through on it, I can't wait to find out how well it does it too lol.
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My Bikes - - - Royal Enfield 500 with sidecar, VFR800, CBR600FX,
Peugeot Speedfight 100, Kymco Hipster 125, GSXR750K5, Jawa TS 350

[Matthie]

I took my can off my 50 (two stroke) was the loudest, most annoying sound I have ever heard. Made a small girl cry when I took it for a spin
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***Previous: GPR50, FZ750 *** Current: Monkey bike, yella SV 650 ***

Tutton says: I hate random hardons, they are so weird...

[chillpill]

the exhaust fell of my aerox (scooter) at my local co-op lol and i had to drive it home without it was loud as fook dont think it set off any alarms though

[Wafer_Thin_Ham]

Not to my knowledge, also I wouldn't be surprised if the mille did. That was always a good one for scaring pedestrians.
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[Davie_G71]

Right, i know it's not big and it's not clever, but i want to make my bike back fire.

I have a 600SRAD, so it's carbed and ready to go... Educate me..

[Wafer_Thin_Ham]

[Davie_G71]

Will do, i take it that it's not particularly healthy for the bike?

[TheDonUK]

My ZX6R burbles and pops flames on the overrun if your snappy with the throttle ;P

[Davie_G71]

Mine does pop away on the over run, i dunno, i don't want to damage the bike.

[Mac_Black]

[Davie_G71]

So all this talk of hurting valved and killing expensive parts is a myth?

I'll send you the bill if so

[McGee]

If your setting alarms off your doing right.
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Its pronounced Jixxer!

[SoND]

If you can hear the alarms your can isn't loud enough.
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[lllN30lll]

If you have a Racefit then you have no choice but to set them off, I get complaints all the time at work as I have to ride through a 3000 space car park every morning.
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[Visitor Q]

[Davie_G71]

bahahaha....

So i get out of the office, stick the key in and warm the bike up while i put my gear on.

Get ontp the motorway, i'm in 2nd about 6k rpm and roll off the throttle flick the kill switch and flick it back, i hear a muffled pop.

OK, try again, 3rd gear, must've been about 8-10k rpm, roll off kill it and wait a little longer, flick it back....


Holy shit, what was that!?!?!...

Cue massive uncurable screaming laughter, drop to 2nd and repeat.

I don't think i got out of 3rd gear all the way home, this can't be good for the bike... But how i laughed!

[lllN30lll]

[Davie_G71]

I posted about it earlier in this thread. I searched, the threads were old, so this is a new one.

So the answer to your question is nothing. But give me a couple of days and i'll remedy that.