Very compact and for under US$400 and ready to go, it has to be a real bargain.
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| Mikuni carbs on BMC motors https://www.ausmini.com/forums/viewtopic.php?f=5&t=83289 |
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| Author: | drmini in aust [ Tue Oct 29, 2013 7:37 am ] |
| Post subject: | Mikuni carbs on BMC motors |
Interesting article, these carbs could be great on a Mini if it's not all BS. http://www.v-performance.com/products/air_fuel.html |
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| Author: | simon k [ Tue Oct 29, 2013 8:39 am ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
I've looked at those (or similar Japanese make) in my mates workshop, really nice. Before I injected it I was going to to that sort of carb with my blower setup so I had an accelerator pump without squeezing in a weber |
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| Author: | Phat Kat [ Tue Oct 29, 2013 1:16 pm ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
I had to have a look at a few other sites.... a 20% power increase sounded unbelievable.... but... It would seem that a lot of sites are are quoting similar results? Could be a good thing? Especially since they seem to be a somewhat common upgrade for Bikes, you would have much less trouble finding someone to dyno tune it.. |
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| Author: | kirby [ Tue Oct 29, 2013 11:28 pm ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
The japanese Have been doing this for years on minis. I saw a mikuni phh on a mini last year, physically smaller than a weber and much more modern. I'll try and find a photo. |
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| Author: | simon k [ Wed Oct 30, 2013 10:31 am ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
apparently they at least makes the car go forwards and sound like a weber... http://www.youtube.com/watch?v=irpx9HfdNOk http://www.youtube.com/watch?v=yYfdKAoEixo Moss selling a kit for MGBs http://www.mossmotors.com/SiteGraphics/ ... ikuni.html |
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| Author: | MG Rocket [ Wed Oct 30, 2013 4:32 pm ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
Very compact and for under US$400 and ready to go, it has to be a real bargain.
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| Author: | coopar [ Fri Nov 01, 2013 6:15 pm ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
Mmm this is getting tempting, more clearance than a weber! Did it take much tuning? Bought online I assume? |
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| Author: | simon k [ Fri Nov 01, 2013 7:11 pm ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
coopar wrote: Mmm this is getting tempting, more clearance than a weber! Did it take much tuning? Bought online I assume? mg rockets picture is taken from the website linked in the first post |
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| Author: | coopar [ Fri Nov 01, 2013 7:52 pm ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
 Right then who's going to be the guinea pig |
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| Author: | drmini in aust [ Fri Nov 01, 2013 9:46 pm ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
More discussion- http://www.minimania.com/msgThread/1142 ... kuni_carbs |
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| Author: | drmini in aust [ Mon Nov 04, 2013 10:40 am ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
Another link- http://www.mikunipower.com/HSR01.htm |
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| Author: | lmbm [ Tue Nov 05, 2013 9:08 pm ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
Hi there, this is a nice piece of kit, i have a HSR45 , untested so far, it will go in my new engine ( who knows when  )!What i can say about it: - Looks great  - It is very compact... no clearance issues , even with GR long SU Manifold - no shafts to wear, no butterfly , nothing in the air stream . - easy to mount with a rubber flange - There are K&N round filters for them, and it's easy to adapt those "mushroom" style filters also. - inlet has a nice radius, no need for stacks/ram pipes - needle has height adjustment ( there are only 3 or 4 available needles ), and there is a variety of main jet sizes - has accelerator pump, adjustable - the accelerator pump mechanism/arm is fragile ( found out the worst way, received the carb with broken arm , probably during custom control, manage to alloy weld it ok ) - easy to set up a long choke cable using existing knob - stock they come with a #4.3 needle valve, used for gravity fed , seems you can run it with that valve and a fuel pressure regulator at ~1.5 psi. Else you can buy a #2.3 needle valve . As far as i know this is the only difference the ones from the V Performance site have. And the rubber mounting flange, which you can get for 30/40 USD . After reading some topics on other forums, i end up by not buying from that website, got it from EBAY US, for 200$ , new ( Ok it was listed as being the 42mm one ). would love to have feedback from someone running them on a mini!:) Cheers Luis |
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| Author: | pattiley [ Wed Nov 06, 2013 10:54 pm ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
I'm keen to do this for the power increase! Need the money first. I've read alot about it but still can't work out if this is just a bolt on, tune up and go mod our do I need a new inlet manifold? |
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| Author: | drmini in aust [ Thu Nov 07, 2013 8:45 am ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
It fits any single SU 1-3/4" manifold, eg Minispares, Minisport, or a Rover/Metro 1275 one. Best would be a Russell Engineering RE7, as lmbm says it fits in. Or if you have more $$$, buy twins and use a Mk2 S manifold or aftermarket equivalent. |
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| Author: | pattiley [ Thu Nov 07, 2013 10:01 pm ] |
| Post subject: | Re: Mikuni carbs on BMC motors |
Ok thanks doc, one more for you.... Did the mini clubman 1098cc come with a suitable manifold OR can it be modified to fit? Even if it tale a quick machine at work |
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