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TB sync on a Ducati 749
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TB sync on a Ducati 749 - August 30, 2012, 11:06 AM

I just got an 06 749, and need to do a TB sync. I've read through a lot of the threads but still have a few questions and figured this is the place to ask:

1) Do you have to remove the tank and disconnect the fuel lines to access the sync screw? What else needs to be removed?

2) If the fuel lines have to be disconnected, what are you using as an auxiliary tank, and did you need adapters to hook the hoses up to the quick connect thingies.

3) Can I hook up the sync sticks to the vacuum hoses that went into the emissions canister from the intakes? Looks like these are a lot easier to get to than the intake manifold screws.

Thanks!

Last edited by JoeP; August 30, 2012 at 12:17 PM..
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August 30, 2012, 11:53 AM

1) never done in on a series 9, but I doubt that as without tank you would be left without fuel pump and it gets hard to get the engine running
2) see above
3) no, too far away and too much of a mess of de-pressure. Stick to where the oem plugs are

I would personally have this done honestly, it is such a "fine art" to balance a big V-twin (compared to an in line 4) that I'd just not mess with it.


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August 30, 2012, 11:54 AM

I did mine on my super hawk, but it was easy to get to

If its a pain to get to, maybe have it done.

You have a manometer? I just cobbled together an easy water manometer


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August 30, 2012, 01:38 PM

Quote:
Originally Posted by Leoallafila View Post
1) never done in on a series 9, but I doubt that as without tank you would be left without fuel pump and it gets hard to get the engine running
2) see above
3) no, too far away and too much of a mess of de-pressure. Stick to where the oem plugs are

I would personally have this done honestly, it is such a "fine art" to balance a big V-twin (compared to an in line 4) that I'd just not mess with it.
Doh! I forgot that the fuel pump is *inside* the tank. But the fuel lines are pretty short so I don't see how to get at the sync screw inside the airbox without taking the tank completely off. There must be an easy way to do this.

Quote:
Originally Posted by Fitz View Post
You have a manometer? I just cobbled together an easy water manometer
I was thinking of going that route. About how much water is needed? I imagine if you used something heavier like oil you would not need as much?
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August 30, 2012, 01:45 PM

I hooked everything up to the manometer on my 10R and then had the tank on its side on a workbench next to the bike while I synched the throttle bodies. I’ve also used an auxiliary tank on carb-ed bikes without issue (I suppose those did not have a pump).
Get hooked up, put the tank close or on the bike (not bolted up), take your reading, move the tank so you can adjust … you get the idea.


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