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Throttle Body Synchronizer
- Thread starter 39520
- Start date
scootrp125x
They call me Gort
I own and use a Twin Max. I bought a Harmonizer a couple of months ago but haven't had time to try it out and compare the two.
David13
New member
I have the Harmonizer. Simple, easy to use, really a nice device.
There have been those who say it is, or cannot be as accurate as the fluid type system.
I do not believe that. The modern computer type systems are far more accurate than the old manual systems on cars and motorcycles.
And I suspect with a device like this, it is actually more accurate.
I have heard anecdotal accounts of it being tried at BMW dealers, and they found it was just as accurate as their systems.
Check advrider for Grok and his Harmonizer.
dc
There have been those who say it is, or cannot be as accurate as the fluid type system.
I do not believe that. The modern computer type systems are far more accurate than the old manual systems on cars and motorcycles.
And I suspect with a device like this, it is actually more accurate.
I have heard anecdotal accounts of it being tried at BMW dealers, and they found it was just as accurate as their systems.
Check advrider for Grok and his Harmonizer.
dc
Woodbutcher
New member
I too, have the Harmonizer. Just got is a couple of weeks ago and haven't used it in anger yet, but did fiddle with it. I'm swapping the front tire this weekend so since I'll be playing mechanic then I'll go ahead and try syncing the TB with it.
lmo1131
New member
Harmonizer here. +1
Really versatile tool, and it has a built in tach (and you can signal helicopters with it (really)).
http://advrider.com/forums/showthread.php?t=692535
Really versatile tool, and it has a built in tach (and you can signal helicopters with it (really)).
http://advrider.com/forums/showthread.php?t=692535
roborider
God? What god?
I use a Twin Max, works great. But the Harmonizer looks cool. I'd likely buy that over the Twin Max if I didn't have a tool already. But, the argument that the liquid tools are better than the digital tools doesn't hold water for me. If it is true that they are more accurate, then in my opinion, that higher degree of accuracy is not needed because I'm always pleased with the results on my RT and /6.
stanley83
New member
My thoughts
I started with the $4.00 synchronizer, which worked well, but one needs to be careful if the carbs are way out of balance or the fluid will be sucked into the engine. You also need a good place to hang the thing.
I tried the Twinmax at a tech day and found the ergonomics wanting. I kept hitting the zero knob and having to re-calibrate. I've spoken to others with the same complaint.
I picked up a Harmonizer at the intro price and have been happy so far. Self-zeros, no controls to bump, easy to read and I'm able to locate the box where I can see it while lying under the bike to reach the carb screws.
I started with the $4.00 synchronizer, which worked well, but one needs to be careful if the carbs are way out of balance or the fluid will be sucked into the engine. You also need a good place to hang the thing.
I tried the Twinmax at a tech day and found the ergonomics wanting. I kept hitting the zero knob and having to re-calibrate. I've spoken to others with the same complaint.
I picked up a Harmonizer at the intro price and have been happy so far. Self-zeros, no controls to bump, easy to read and I'm able to locate the box where I can see it while lying under the bike to reach the carb screws.
roborider
God? What god?
I've done that! Fortunately, it only takes a second to re zero. But again, just looking, the harmonizer looks very cool Anyone want a used Twin Max at a 50% discount so I can buy the Harmonizer? I like new toys!
I use a MotionPro SyncPro:
http://www.ebay.com/itm/MOTION-PRO-Sync-PRO-Carb-Tuner-Tool-Synchronizer-/150758972819#ht_557wt_689
It's for up to 4cyl. Easy to use.
http://www.ebay.com/itm/MOTION-PRO-Sync-PRO-Carb-Tuner-Tool-Synchronizer-/150758972819#ht_557wt_689
It's for up to 4cyl. Easy to use.
lee
Debbie's Servant
I found an old thread on the subject at I-BMW.
http://www.i-bmw.com/showthread.php?t=31651&highlight=throttle+body+synch
http://www.i-bmw.com/showthread.php?t=31651&highlight=throttle+body+synch
That thread contains some VERY bad suggestions and info!
NEVER, NEVER, NEVER touch or adjust the linkage between the throttle bodies!!!!!!!!!
A throttle body adjustment on a Kbike involves ONLY adjusting the large brass air bleed screws on each throttle bore.
NEVER attempt to adjust the butterflies, just adjust the air bypass screws.
This primarily affects idle smoothness. Messing with the butterflies WILL screw it up over the entire range.
lee
Debbie's Servant
I need to go back and read all of it again, I didn't see where someone said to adjust the linkage.
What I got out of it, was because of the mechanical linkage, the throttle bodies stayed in sync, unlike the boxer engine.
To me, posts 5 and 6 in the link are good points.
David13
New member
Also a similar danger on the R bikes. Do not adjust the BBS. Make the adjustment at the right hand cable base, after putting slack, if it is not there, into the throttle cables. But that may only be true on the 1200s. 1100 and 1150, I don't know. And I don't know if I'm saying that right either.
The point is, compare notes from more than one source, and maybe get someone with some experience to help you.
dc
The point is, compare notes from more than one source, and maybe get someone with some experience to help you.
dc
On the Wedges I have not seen any talk of adjustments. Doesn't the single cable operate a common bar on all injectors? I'll verify that and say yes.
No cable stretch to equalize and no large displacement twin cylinders to balance. Now you may get crudded up injectors if you don't ride much...
The last 4 cylinder that gave me balancing fits was a carburated 70's Honda 750-4
I noticed the knob broken on my zero adjustment on my Twinmax the other day
( I might have pushed the drawer shut on it). I have it working...but ordered a Harmonizer to add to the big red toybox anyways.
David13
New member
As we speak (or post) Grok, the Harmonizer wizard or wonk is developing a 4 cylinder Harmonizer. Numerous inquiries have indicated there is a demand, or maybe quite a demand for the 4 cylinder capable Harmonizer.
Now myself, having never been a 4 cylinder person, have no knowledge as to which bikes they intend to use the device on.
dc
Now myself, having never been a 4 cylinder person, have no knowledge as to which bikes they intend to use the device on.
dc
