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Join Date: Jan 2008
Posts: 63
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How do use I use Carbtune II
The wife has bought me a Carbtune II (yeap- you read it right). It looks very nice but need some advice how to use it ????
Has any of you folk got any advice or better still, instructions??? Cheers PS I ride a r1200s 
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05-01-2008, 09:38 AM
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Band.
Join Date: Dec 2003
Location: Denver, CO
Posts: 13,322
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You need to find the vacuum port opening that the little 'adapters' will fit into. On my 4-cyl Honda, the vacuum ports are on the Head, not the carb, and there's a little phillips head screw that you remove and install the adapters that came with the carbtune. I'm pretty clueless as to where they would be on your bike.
Once you find that spot, though, you're almost all the way there. Hook a line from the carbtune up to each adapter you installed. Hang it up vertical, and start up the bike and let it idle. You need to find the fine adjustment that will adjust the butterflys on each carb. Fiddle around until the vacuum of each carb sucks the fluid up the carbtune tube to an equal amount for each carb. Good times! Sorry, that's a pretty awful description, but I don't know much about your bike. Good luck!
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1983 SC Coupe 1963 BMW R60/2 1972 Triumph Tiger 1995 Triumph Daytona SuperIII |
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05-01-2008, 09:45 AM
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Hi,
I've got as far as fitting pipes to vacuum but dont know where to look to adjust ?? |
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05-01-2008, 09:53 AM
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I wanna Live 'til I die!
Join Date: Aug 2006
Location: Sun Diego
Posts: 10,324
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On the 12, you can look as much as you want to, you CAN NOT adjust it yourself... one of the perils of the newer motor... the old one was easy to do, brass screws and Bowden cables... a turn here and a turn there throughout different RPM's and you were done!
With the Hex-Heads... you make a trip to the dealer and hope for the best!
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Light travels faster than sound. This is why some people appear bright until you hear them speak... https://www.facebook.com/Uncommon-Adventures-by-Rick-Ralf-681965548931729 2005 R1200GS - 2006 Suzuki DR650 - 2011 Husky TE250 - 2014 KTM690 Enduro - 2022 Husqvarna Norden 901 |
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05-01-2008, 10:26 AM
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Posts: 63
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Is that definate - I've plenty of hex head tools
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05-01-2008, 10:36 AM
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I wanna Live 'til I die!
Join Date: Aug 2006
Location: Sun Diego
Posts: 10,324
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If you have the computer software to make the adjustments, you'll be fine...
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Light travels faster than sound. This is why some people appear bright until you hear them speak... https://www.facebook.com/Uncommon-Adventures-by-Rick-Ralf-681965548931729 2005 R1200GS - 2006 Suzuki DR650 - 2011 Husky TE250 - 2014 KTM690 Enduro - 2022 Husqvarna Norden 901 |
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05-01-2008, 11:03 AM
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Living on borrowed time!
Join Date: Dec 2003
Location: Tacoma, WA, USA
Posts: 7,020
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the R1200S uses an electronically controlled stepper motor for idle adjustment, not an idle air bypass as the R11 does.
You are SOL here. One more reason I don't like the hexhead series. You have to hook up th the DEALER'S computer, get raped by the dealer and run a good chance of some shmuck who's computer illeterate screwing it up worse. This may be PROGRESS, but it's dam sure NOT BETTER.
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Better a has-been than a wanna-be 'I am John Andrew Moffett of the Clan Moffat and by god I live, love, seek, fail, grieve and die as I so choose and I call no man master save me'. |
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05-01-2008, 11:11 AM
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Join Date: Jun 2004
Location: Eastern Rockies
Posts: 1,796
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Greenbank, I also have one of these Carbtune units, and aside from the obvious problems adjusting the R12S, I found it to be usable but a little inaccurate. If you have the same one I do, there is no liquid. The columns have a metal bar in a calibrated sized cylinder attached to what is probably a calibrated (somewhat) spring. The vacuum pulls the weight of the cylinder and spring.
I found that after attaching and adjusting the R1100S with this, I needed to swap connections and check that the results were the same for each cylinder on EACH side of the carbtune (usually not) and then adjust for differences. Otherwise it's a neat, clean easy to use tool.
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tm (R12, R11, R1) + 00 then S, S, /7 |
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05-01-2008, 03:01 PM
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Join Date: Aug 2002
Location: K'zoo Michigan
Posts: 389
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What's better, Carbtune (now Pro) or Twinmax? I'm going to attempt my 24K service (with the aid of the wealth of info on this BB of course).
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Asphalt is the canvas. Paint it with motion. |
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05-02-2008, 06:29 AM
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Posts: 63
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Looks like I have a carbtune pro II for sale!!!!
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05-02-2008, 06:45 AM
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Quote:
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05-02-2008, 07:26 AM
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Quote:
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Mike '07 BMW R1200S '99 Ducati 996 '09 Husky TE450 |
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05-02-2008, 10:26 AM
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Location: Nipomo, CA
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A note on the CarbTune: For our bikes you have to use it updside down for it to register (usually) and be accurate. I really like mine. Small and cheap!
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01 BMW R1100s, 99 R6 for the racetrack. |
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05-02-2008, 08:31 PM
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Quote:
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Lotus 7 - 400bhp/tonne R1200S - for sale  '74 Guzzi Eldorado & '79 SR 500 '09 Z51 Vette '05 Lotus Elise |
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05-03-2008, 06:06 AM
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Banned
Join Date: Dec 2005
Posts: 508
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Quote:
Even if there is software out there, you'll still need some trustworthy transducers, A/D converters, etc. BTW, now that Greenbank has located any vacuum ports, he can install a crossover line. |
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05-03-2008, 06:53 AM
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