Author Topic: XB 12 carb support  (Read 1173 times)

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Offline pan620

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XB 12 carb support
« on: December 09, 2014, 06:03:44 AM »
Does any one no what carb support will work on a 2006 XB 12 Buell that was injected that I am converting to carb, I no I have to drill and tap the mounting holes where the breather holes are on a regular engine, can anyone help, Thanks

Offline garyajaz

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Re: XB 12 carb support
« Reply #1 on: December 09, 2014, 08:14:14 AM »
what carb you gonna use?
some downdraft?
and why?

Offline pan620

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Re: XB 12 carb support
« Reply #2 on: December 09, 2014, 01:11:43 PM »
Going to use a Mikuni HSR42, but there is no way to hold it onto the rubber coupling, that why I need to drill and tap the holes where the breather holes are on a regular motor, there are only bosses there know with no holes.

Offline panhead_dan

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Re: XB 12 carb support
« Reply #3 on: February 01, 2015, 08:45:43 AM »
I always thought it would be simplest to use a downdraft carb.

Offline xlfan

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Re: XB 12 carb support
« Reply #4 on: March 08, 2016, 01:59:27 PM »
I guess a standard intake manifold for CV, and a carb support for 91-03 XL could work, along with a HSR to CV air cleaner adapter.

Offline WML57

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Re: XB 12 carb support
« Reply #5 on: March 09, 2016, 06:39:14 AM »
There is no room inside the frame for a side mounted carb

Offline xlfan

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Re: XB 12 carb support
« Reply #6 on: March 11, 2016, 01:46:30 PM »
I guess that would rule out the HSR42 as an option.

Offline speedzter

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Re: XB 12 carb support
« Reply #7 on: March 11, 2016, 02:52:34 PM »
Keihin make some very nice flat slide carb's.
Should be easy enough to retrofit in the stock location.
https://motorsportsnewswire.wordpress.com/tag/keihin-fcr/

Offline panhead_dan

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Re: XB 12 carb support
« Reply #8 on: April 18, 2016, 06:11:54 PM »
I've been planning on making a 90 degree intake manifold extension. This will put my side draft carb horizontal and it's new home will be inside the air box all stealthy like.
I was able to get my mits on a thunder monster or whatever they call it from Carl's Speed shop.

Offline garyajaz

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Re: XB 12 carb support
« Reply #9 on: April 19, 2016, 07:06:31 AM »
post some pix?

Offline turboprop

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Re: XB 12 carb support
« Reply #10 on: April 19, 2016, 07:41:21 AM »
Not sure about frame clearance, but for supporting the Mik,  use an S&S Super manifold (either E or G) and a Vulcan Proback. The Proback bolts onto the back of the Mik.

Here is one for the Mik42 to a Super E intake, but there are many others. The type that press onto the don't work as well as the bolt on type. YMMV.

http://vulcanworks.net/store/Mikuni-Hi-Flo-Carb-Back-HRS-42-to-S-and-S-Super-B-and-E.html
'Never try to teach a pig to sing, it only wastes your time and annoys the pig'.

Offline garyajaz

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Re: XB 12 carb support
« Reply #11 on: April 21, 2016, 09:16:07 PM »

Online Hossamania

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Re: XB 12 carb support
« Reply #12 on: April 24, 2016, 01:05:05 PM »
"... a fast car, a coast to reach,
and a woman at the end of the road"

Offline garyajaz

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Re: XB 12 carb support
« Reply #13 on: April 26, 2016, 07:30:27 AM »
those four are just to feed the nitrous.
the four on other side feed the alky...