Would a drilled exhaust fail an MOT?

[dextersaurus]

Hi guys

Had a tip from a certain someone that i should drill the end of my exhaust just to get the deeper tone

I would do it, but wouldn't this fail it's MOT?

Its going in next month and it's all good for it, just wondering what they'd say about it...

Cheers

Dunc

[chris-red]

Depends where you go, but exhaust with a not for road use stamp on it passed fine today.
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[dextersaurus]

[KevTM]

He might see it as being 'blowing' (or whatever term they'd use for it) and fail it on that I would think. If it's only a few weeks until it has another 12 months MOT I'd just leave it until after that.

[dextersaurus]

[chris-red]

[dextersaurus]

[cyberglass]

Buy a pot of gun gum (£3) fill the holes for the mot then rip it off when its done.
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[Steve-D]

I thought it would fail as well since technically it will be blowing.

Could always buy another standard exhaust off ebay, can be got for about 30 quid after a quick look. Then cut it as much as you want, still not going to be that loud anyway.

Front brake switch is a fail though.
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[chris-red]

[Mister James]

It'd also be an offence against the Road Vehicles (construction and use) regulations 1986: Sect. 54 'exhaust gases escaping' or 'failing to maintain silencer' if you told porkies and said it was like that when you found it!

£30 fine coming your way if you're stopped and they can be bothered - unless they go on to check the rest of your bike and find more stuff they don't like, in which case it's off to court to see the Beak!
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[Mudskipper]

The brake light only needs to be activated by either the front or rear brake.

edit: Apologies, I am incorrect https://www.motuk.co.uk/mcmanual_130.htm

That's only the case if the bike was originally only meant to light up from one brake, like my CB.

Looks like you better fix it.
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[.Chris.]

Modifying the exhaust could also screw the fuelling up if you don't re-jet. My CD250 has no baffles in the exhausts (rusted out or removed by previous owner) - sounds great but the fuelling is all over the place.
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1985 Kawasaki Z550F

[dextersaurus]

Cheers Guys.

Will get on the brake light soon as...

And im gonna leave the exhaust just now I wont have the bike for too long anyway, planning on doing my test within a few months.

Cheers

Dunc

[TheDonUK]

I drilled about 6 holes in an orbit around the end of the tail can on my old Hornet 6. Still had the Hornet whurr but probably was slightly deeper in tone, its rare you get someone ride you bike past you, especially going through the gears.

It did pass an MOT with said exhaust, it failed for having the headlight secured with cable ties , once i got a bracket for that they passed it with no mention of it.
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[Kickstart]

Hi

If you make the bike louder than standard then it should fail the MOT (must be as quiet as a standard exhaust in reasonable condition in the opinion of the tester). However plenty will turn a blind eye.

It is also an offence to go round with an exhaust modified to be noisier than standard (even if still quieter than the legal limit). Law normally seems to be used against cars though (few cases of people being done for it with Imprezas, using the noisier exhausts that are standard road legal fitment on others models of Impreza).

All the best

Keith
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[Clanger]

My half-size standard exhaust sounds marvellous, and passes MOT wherever I take it...
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[G]

Easy solution; make 'brumm brumm' noises in your helmet when you want that 'deeper tone' .

[dextersaurus]

[Wafer_Thin_Ham]

It's a CG125, it'll never have a "racy" or "deep" exhaust tone. Just wait until you can get a bigger bike.
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[Newbiker0507]

[truslack]

I made a twin exhaust system out of an old bed frame and a pair of RGV250 cans for my mates CLR125 (basically a CG125), sounds lovely

(even if the 1-2 pipe does almost foul the wheel)
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[T0MMY]

For the first time ever in my 13 year biking career I've put a noisy exhaust on a bike I got a cheap second hand straight through exhaust off ebay and it has totally removed the flat spot in the rev range which was my goal

I've no illusions that it's legal but it isn't ridiculously loud. Anyone here with experience of riding around with something like that give me an opinion on how likely I am to get stopped? It's totally transformed the bike, I think it may have been setup for a more free flowing exhaust previously.
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[rac3r]

I just put the baffle back in my scorpion can for MOT I think it might fall out afterwards though
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