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Carb Tuners

  • Thread starter Thread starter Ricko19
  • Start date Start date
Wow! Thanks for all the replies guys :) Looks like it will be a Morgan then when funds allow.

cheers
 
Looks like you've decided already, just thought I'd post a little video clip of my Carbtune. I love it to bits!

http://www.youtube.com/watch?v=asM3kQWPmLM

I didn't get it perfect, but it sure ran smooth afterwards. It would have been an absolute pain to do it without the carb tool that Morgan also sells. It's a long screw driver that goes through a shaft with a hex piece at the end, makes it much easier to tighten the lock nut after adjusting without screwing up the setting.
 
Ola said:
Looks like you've decided already, just thought I'd post a little video clip of my Carbtune. I love it to bits!

http://www.youtube.com/watch?v=asM3kQWPmLM

I didn't get it perfect, but it sure ran smooth afterwards. It would have been an absolute pain to do it without the carb tool that Morgan also sells. It's a long screw driver that goes through a shaft with a hex piece at the end, makes it much easier to tighten the lock nut after adjusting without screwing up the setting.
Click to expand...

I need one of those. That's the biggest PIA of the whole process.
 
Great vid Ola - I'll have to watch a few more of those, Makes it look easy!
 
Ola said:
It would have been an absolute pain to do it without the carb tool that Morgan also sells. It's a long screw driver that goes through a shaft with a hex piece at the end, makes it much easier to tighten the lock nut after adjusting without screwing up the setting.
Click to expand...

doctorgonzo said:
I need one of those. That's the biggest PIA of the whole process.
Click to expand...
Don't expect miracles with that tool, though. Depending on your bike, it's still a pain to get to the center adjuster. I am currently working on "Freebie", an 81 850, and there is NO WAY you will get that tool down to the center adjuster. Yes, I have used one several times in the past and thought I needed to get one, but was frustrated by that center adjuster every time, so have not (yet) acquired one.

A tip: if you are starting with a rebuild, therefore the carbs are off the bike, loosen the locknuts before you put the carbs on. I have always thought that over half the battle is loosening those suckers, so do it while you can reach them. There is no need to tighten them quite as tight, so that's not usually a problem.

.
 
cheers Steve, they are getting some attention so I'll remember that :)
 
Steve said:
A tip: if you are starting with a rebuild, therefore the carbs are off the bike, loosen the locknuts before you put the carbs on. I have always thought that over half the battle is loosening those suckers, so do it while you can reach them. There is no need to tighten them quite as tight, so that's not usually a problem.

.
Click to expand...

Good tip Steve - another one I have is to take your time & do the best bench sync you can possibly do. This will translate into the bike starting easily after you install your "squeaky clean" carb rack back on the bike.

I use a thin strip of metal (.100" w x .020" thick) as my bench sync tool. I slip it in & out underneath the butterfly while adjusting the sync screw to attain a slight resistance - then match that feel to all the carbs. Gets you VERY close.
 
To get even closer, use LIGHT. I gave up trying to match the drag from one carb to another because I might not have the device placed in exactly the same spot on each carb. By simply holding the carbs up to a light, you can visually inspect the size of the gap under the throttle butterfly. Since I have started doing that, there has been no problem starting a bike, and only minimal tweaking once I connect the gauges.

IMG_3451.jpg

.
 
Steve said:
To get even closer, use LIGHT. I gave up trying to match the drag from one carb to another because I might not have the device placed in exactly the same spot on each carb. .
Click to expand...

Yeah, the light method works well also, but I seem to have more "repeatability" with the shim myself... to each his own.

In the end, it pays to take your time & really get the bench sync nailed down, no matter what your method of doing it is. :p
 
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