Anyone swear to a specific type or brand of carb sync tool? In the market for one -
Preferably should be able to handle 2-4 carbs
Preferably should be able to handle 2-4 carbs
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Vacuum sync tool for carburator
- Thread starter Niels B
- Start date
Sounds like something Pettson and Findus would brew up in the old farmhouse barn
I don't need one because I have an old Motion Pro Carbstix set-up, so old it has mercury in it, lol, and it works great. But, if I was in the market, I think I'd get the Morgan Carbtune Pro .....
https://www.carbtune.com/
Not really any more expensive than most of the other good ones out there, and it's supposed to be one of the best. Use it a few times and it will pay for itself with the money you save.
https://www.carbtune.com/
Not really any more expensive than most of the other good ones out there, and it's supposed to be one of the best. Use it a few times and it will pay for itself with the money you save.
The local guru, who tunes carbs just about every day -- here's his link:
https://chris-kelland.squarespace.com/
and who has used and gone through lots of vacuum gauges in his life, swears by this one:
https://www.ebay.com/itm/204379954289
He admonished me not to buy anything else, so I bought it. Then, I though this is crazy, I'll never work on a bike with more than two carbs, so I went all the way in the opposite direction money-wise and bought this:
https://yamahaxs650.com/product/precision-carb-sync-gauges/
https://chris-kelland.squarespace.com/
and who has used and gone through lots of vacuum gauges in his life, swears by this one:
https://www.ebay.com/itm/204379954289
He admonished me not to buy anything else, so I bought it. Then, I though this is crazy, I'll never work on a bike with more than two carbs, so I went all the way in the opposite direction money-wise and bought this:
https://yamahaxs650.com/product/precision-carb-sync-gauges/
Maybe sounds strange but I have used it ( principle ) professionally adjusting flow in Air condition Systems.Sounds like something Pettson and Findus would brew up in the old farmhouse barn
And pressure drop at outlets
They are out there in more or less sophisticated versions
Not much that can be wrong or can go wrong provided using a restriction so the fluid is not getting sucked into the motor
The clocks have springs and friction and can be inexact after being dropped Quality clocks costs
https://eleceng.dit.ie/gavin/Instrument/Pressure/Manometer
https://elma-instruments.se/produkter/kimo-sauermann-gf1000-vf1-u-ror-matomr-0-500-mmh2o
Huge price difference indeed - what’s causing the price diff ? My concern is quality of the meters - always a little suspicious when it to cheap ( although I like cheap)
I can't say. I never actually opened the K&L box. But yes, they sure look the same. Only diff I see is no K&L logo printed on the faces.
Also, you don't get all of the adapters. You only get what you need to use on an XS650, including the hoses.
Everything else looks exactly the same. Same rack (with space for 4 total gauges), and same hanging lanyard. Still, could just be a very faithful copy.
I agree. But, for someone who might use it 4 or 5 times a year, I think I made the right move.
But, if I were you -- reading your initial post, and knowing you might be using on quad carbs -- I would definitely buy the K&L. Again, came extremely highly recommended by the guy who uses them every day.
On the other hand, you could buy two of the cheap dual gauges, and make your own quad gauge at 1/3 the cost.
Two coke bottle, or three, or four, depending on how many carbs, drill holes in the bottom and link them with plastic tube. Drill holes in the top and press in some long lengths of plastic tube to connect to the manifolds. fill each bottle about one third full, less for three carbs, less than quarter for four carbs and screw the lids tight. you now have a manometer.
Or you can be industrious and make a nice looking one. Why spend money if you don't have to. Classic bikes are money pits.
Or you can be industrious and make a nice looking one. Why spend money if you don't have to. Classic bikes are money pits.
Attachments
I used to have dial type sync gauges, then bought a motion pro manometer. Both worked well on my XS but when I tried to sync my Suzuki GT750, 2 stroke, they just didn’t work. Then I bought the Morgan Carbtune which worked great on everything I owned. It was expensive but I believe it’s a pretty good tool.
You could just use the ones sold on Ebay:
Just check them out first on the same carb to make sure their needle positions match. As long as there are no leaks around the carbs then the actual pressure readings are not that important, you just want to match up both carbs.
You could make your own from a vacuum gauge but be aware the vacuum from a carb pulses and the gauge needle will flicker substantially. Commercially the solution is to buy a gauge filled with glycerine or an oil to dampen the needle fluctuations. These are the gauges that look like they are faulty and liquid has leaked in. You can achieve a similar dampening affect by inserting something in the tubing with a 1mm hole bored through it.
It is best, but not essential, to have two gauges so you can observe both carburetors at the same time while making the adjustment.
Good luck and have fun.
Just check them out first on the same carb to make sure their needle positions match. As long as there are no leaks around the carbs then the actual pressure readings are not that important, you just want to match up both carbs.
You could make your own from a vacuum gauge but be aware the vacuum from a carb pulses and the gauge needle will flicker substantially. Commercially the solution is to buy a gauge filled with glycerine or an oil to dampen the needle fluctuations. These are the gauges that look like they are faulty and liquid has leaked in. You can achieve a similar dampening affect by inserting something in the tubing with a 1mm hole bored through it.
It is best, but not essential, to have two gauges so you can observe both carburetors at the same time while making the adjustment.
Good luck and have fun.
Just got mine yesterday - thanks for all the advise and recommendations
