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Offline vfrphil

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Exhaust clamp size
« on: 28 December, 2016, 04:30:44 PM »
Afternoon

So the dreaded ferreous beetle has struck my exhaust clamps over the festive break leaving with one seized and one snapped on biffer whilst pottering and contemplating returning her to standard pipes

Now i've been looking at these on ebay 

http://www.ebay.co.uk/itm/3-Inch-V-Band-Set-Heavy-Duty-Clamp-Kit-Flange-Set-2-join-Stainless-Exhaust-W4-/281778529476?hash=item419b4f24c4:g:leYAAOSwUuFWwlcT

but not sure what size i need, ive look at previous threads on 'ere but they have a flat inner facing where as the buffer has outward turned pipe so ideally theses are more like the standard clamps

Does anyone have the size i'll need? or are there other options?

Thanks in advance
Phi
Currently pilots a 2009 CBF1000GT, with Beowulf cans and fender extender.

Offline J-man

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Re: Exhaust clamp size
« Reply #1 on: 28 December, 2016, 08:38:49 PM »

Offline vfrphil

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Re: Exhaust clamp size
« Reply #2 on: 29 December, 2016, 09:49:44 AM »
Yeah I read that one but the clamps seem different to the original honda ones in that the ones in the link have a flat inner surface like a jubillle clip instead of the curved one in th link I put up which is more like the original ones

Wasn't sure if these were any better and what size I'd need
Currently pilots a 2009 CBF1000GT, with Beowulf cans and fender extender.

Offline Art

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Re: Exhaust clamp size
« Reply #3 on: 14 January, 2017, 03:56:44 PM »

Offline vfrphil

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Re: Exhaust clamp size
« Reply #4 on: 26 May, 2017, 05:31:24 PM »
 :481:

Just as an update on the above, ordered some of the 40-43 mm Mikalor clamps as advised but would advise going up a size to the 43-47mm as its a very tight fit getting them on in the first place you have to put the clamps on on the thinner end of the pipe on the very last thread of the bolt then wiggle them over where the clamps should fit before tightening them up a bit more. but all clamped up now so all good
Currently pilots a 2009 CBF1000GT, with Beowulf cans and fender extender.

Offline J-man

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Re: Exhaust clamp size
« Reply #5 on: 27 May, 2017, 05:30:26 AM »
Thank you for that update  :158:

Offline Art

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Re: Exhaust clamp size
« Reply #6 on: 27 May, 2017, 02:18:15 PM »
Yes, how refreshing to get an update. That is exactly how I fitted mine, didn't see it as a problem. The exhaust pipe diameter where the clamp sits is 43.5 mm therefore its between the 40-43 mm and 43-47 mm clamps. I've just  measured my exhaust pipe and clamp, to be sure to be sure, and found...

narrow pipe diameter 35 mm
pipe diameter at the joint where the clamp sits 43.5 mm
MIKALOR 40-43 mm W2 clamp
closed clamp gap (fitted) 17 mm
exposed bolt thread (beyond clamp fitment) 12 mm

Conclusion - The 40-43 mm clamp does the job, it is the size recommended by the supplier and gives a neat appearance. The larger 43-47 mm clamp will be 0.5 mm off its minimum limit when secured around a 43.5 mm pipe, that seems a little too close for comfort in my experience. Note too if there is a little distortion to the clamp gate that may prevent the larger 43-47 mm clamp from fully tightening!


Offline KTM AL

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Re: Exhaust clamp size
« Reply #7 on: 10 February, 2018, 08:14:07 PM »
 Hi
 Just used the 40-43mm clamps and just had to tap them on to the flange and tighten. Job done ,thanks for the recommendation.