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Old Streetfighter Motorcycle Forum Post 05-23-2019, 01:55 PM   #11
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Default Re: How To Attach a Subframe.

yep, that's how I'd do it

I don't know if you're using square or round tubing for the subframe. I used square which made things easy. Don't have any pics handy right now.

https://www.ebay.com/itm/2005-SUZUKI...QAAOSw2spbJcXd has some pics of a stock SV subframe, the lowers have pretty much what I speak of.

A steering damper dampens steering oscillations. If it starts to leak, it may become a steering dampener. There's no such thing as a dampner.

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Old Streetfighter Motorcycle Forum Post 05-23-2019, 02:03 PM   #12
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Default Re: How To Attach a Subframe.

great, i know i am on the right path now...cheers.
planning on using round tubing for aesthetic purposes as quite a bit of it will be on show.
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Old Streetfighter Motorcycle Forum Post 05-30-2019, 11:26 AM   #13
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Default Re: How To Attach a Subframe.

in terms of the slugs...are we talking simple solid round bar turned down to the inside diameter of the frame/subframe? Think I saw another post on here where the slug when in the frame/sub had a couple of holes drilled from the outside the frame/sub where the slug ended inside and welded. Is that belts and braces over just welding at the end of tube?
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Old Streetfighter Motorcycle Forum Post 05-30-2019, 12:00 PM   #14
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Default Re: How To Attach a Subframe.

Yeah, that's what I did. Doing some holes for additional welds won't hurt.

A steering damper dampens steering oscillations. If it starts to leak, it may become a steering dampener. There's no such thing as a dampner.

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Old Streetfighter Motorcycle Forum Post 08-03-2019, 01:43 PM   #15
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Default Re: How To Attach a Subframe.

After giving this a lot of thought i am mostly settled on welding the subframe to the main frame rather than bolting it together.
So a couple of questions to the welders out there as I will be farming this task to someone who can.
Firstly is it possible and safe to weld an aluminium tubular subframe to the steel main frame? I was thinking about the weight saving primarily.
Secondly, i have been told that a slug in both sides of main and subframe will make it stronger. Having chopped my frame it looks like it was double skinned to my untrained eye...anyone know if it can be removed so as to have equal diameter slugs in the main frame? Cheers.

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Old Streetfighter Motorcycle Forum Post 08-03-2019, 02:11 PM   #16
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Default Re: How To Attach a Subframe.

sorry mate, can,t weld ally to steel
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Old Streetfighter Motorcycle Forum Post 08-03-2019, 02:36 PM   #17
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Default Re: How To Attach a Subframe.

Bugger. Thanks Yan. So whats with the inserts or double skin in the bandit frame? You did a bandit...was your frame the same?

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Old Streetfighter Motorcycle Forum Post 08-03-2019, 02:39 PM   #18
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Default Re: How To Attach a Subframe.

earlier model bandit I built
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Old Streetfighter Motorcycle Forum Post 08-03-2019, 03:32 PM   #19
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Default Re: How To Attach a Subframe.

The inserts are remnants of the old subframe tubes. They are inserted into the main frame sections then welded.

Anyways, like Yantosh said no way to weld aluminum to steel. Might be able to braze it but don’t know enough about the process.

Later, Doug

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Old Streetfighter Motorcycle Forum Post 08-04-2019, 02:40 AM   #20
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Default Re: How To Attach a Subframe.

Thanks Doug. Should i try and get these inserts out or leave my welder to sort it out? I think they need to come out dont they? I accept that i will need to have a steel tubed subframe.

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