Can throttle bodies be synced without SDS-2?
- Thread starter Mayhemlv
- Start date
Berlin Germany
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@Mayhemlv
for sure
the sds is in no way necessary (till gen2) as far as i understand it, (for gen3 no clue)
because the synchronization is usually alone a mechanical activity.
only the vacuum between the throttle valve and the cylinder in the rubber sleeve (or on the throttle housing at a spec. "nippel", closed with rubber caps) is measured
and then adjusted the throttle flaps against each other with three adjusting screws,
that the negative pressures are adjusted to each other except for the slightest deviations.
All this takes place with the engine running at slightly higher speeds - around 1500 rpm on the Busa
For a better understanding, take a look at the manual for the gen1 - it's described quite well there.
you can even build such a synchrometer yourself - see here on my homepage
or you can buy the tool ready made (carbtune)
also very important - you should be very sensitive, because synchronizing usually only requires the slightest turn of the screwdriver
for sure
the sds is in no way necessary (till gen2) as far as i understand it, (for gen3 no clue)
because the synchronization is usually alone a mechanical activity.
only the vacuum between the throttle valve and the cylinder in the rubber sleeve (or on the throttle housing at a spec. "nippel", closed with rubber caps) is measured
and then adjusted the throttle flaps against each other with three adjusting screws,
that the negative pressures are adjusted to each other except for the slightest deviations.
All this takes place with the engine running at slightly higher speeds - around 1500 rpm on the Busa
For a better understanding, take a look at the manual for the gen1 - it's described quite well there.
you can even build such a synchrometer yourself - see here on my homepage
or you can buy the tool ready made (carbtune)
also very important - you should be very sensitive, because synchronizing usually only requires the slightest turn of the screwdriver
Berlin Germany
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Vanishing Point
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This HealTech eSync Tool is also for Gen3
Install and Use picture on Gixxer
Mayhemlv
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If I can find a definitive answer on if this tool locks the ISC, or that locking the ISC is not needed, this tool will likely be my next tool purchase.
Mayhemlv
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Thanks for the information! I emailed healtech with some specific questions and hope I hear back soon. I'd love to have a reliable workaround from the dealer proprietary tools and software, as I'm sure many would.
Marty is right on. For those not experienced, it's a tone that you will hear at the exhaust tip, and it's a tone you will tune to indefinitely with this engine.
When all four manifold pressures are very close, and your mercury gauge, your electronic tuner, shows them to be flowing evenly, the motor is breathing correctly. Not just within factory specifications, closer.
The gauges will display the data, your ear will identify it, your throttle will be smoother than factory. Much smoother.
This adjustment will not increase horsepower, but performance overall will be improved dramatically. You'll hear it, you'll feel it.
PS For those of you that learn to do this, don't forget to blip the throttle lightly between adjustments. Just so the plates settle into their new static position, and the measured volumes on your measuring device adjust displaying correct measurement.
Important: With those of you using a mercury tuner rather than an electronic measurement tool, please do not rap the throttle to high rpm with the tuner attached.
When all four manifold pressures are very close, and your mercury gauge, your electronic tuner, shows them to be flowing evenly, the motor is breathing correctly. Not just within factory specifications, closer.
The gauges will display the data, your ear will identify it, your throttle will be smoother than factory. Much smoother.
This adjustment will not increase horsepower, but performance overall will be improved dramatically. You'll hear it, you'll feel it.
PS For those of you that learn to do this, don't forget to blip the throttle lightly between adjustments. Just so the plates settle into their new static position, and the measured volumes on your measuring device adjust displaying correct measurement.
Important: With those of you using a mercury tuner rather than an electronic measurement tool, please do not rap the throttle to high rpm with the tuner attached.
I have an old 4 tube Motion-Pro, but the fluid is in unsealed tubes like the old mercury type, and could be sucked out.
I bought a 4 tube Carb-Tune mechanical manometer a few years ago, and it works very well(and the tubes are sealed).
They make a digital version too, and I'll buy one eventually, out of curiosity/comparison, to see if it's any more precise or quicker to adjust with.
This is my Carb-Tune
I bought a 4 tube Carb-Tune mechanical manometer a few years ago, and it works very well(and the tubes are sealed).
They make a digital version too, and I'll buy one eventually, out of curiosity/comparison, to see if it's any more precise or quicker to adjust with.
This is my Carb-Tune
I had never considered balancing the throttle bodies on a new bike. Seems now I will make it a habit.
Marty is right on. For those not experienced, it's a tone that you will hear at the exhaust tip, and it's a tone you will tune to indefinitely with this engine.
When all four manifold pressures are very close, and your mercury gauge, your electronic tuner, shows them to be flowing evenly, the motor is breathing correctly. Not just within factory specifications, closer.
The gauges will display the data, your ear will identify it, your throttle will be smoother than factory. Much smoother.
This adjustment will not increase horsepower, but performance overall will be improved dramatically. You'll hear it, you'll feel it.
PS For those of you that learn to do this, don't forget to blip the throttle lightly between adjustments. Just so the plates settle into their new static position, and the measured volumes on your measuring device adjust displaying correct measurement.
Important: With those of you using a mercury tuner rather than an electronic measurement tool, please do not rap the throttle to high rpm with the tuner attached.
I did it first on my Gen I very early after purchase. A guy named Lamb told me what I needed, thus the contiuous obssession for absolute best-performance began.
It was initially an effort to rid myself of jumpy torque in gear. Then I realized when the throttles are evenly adjusted, the power delivery becomes very smooth and predictable. It has a smoothness that is very desirable.
It was initially an effort to rid myself of jumpy torque in gear. Then I realized when the throttles are evenly adjusted, the power delivery becomes very smooth and predictable. It has a smoothness that is very desirable.
I have that same carb tune that I bought for my srad and have used it on quite a few customers bike and works pretty well now I'm gonna have to look into the digital one and see what it's all about.
Mayhemlv
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The service manual does state how to do it, and it is the same procedure as any other throttle sync, minus one big step... Using the SDS tool to lock the ISC. I'll post the page from the manual when I get home.
Mayhemlv
Registered
I got a response from Healtech this morning. I'm very happy they took the time to write me back.
"Thanks for contacting us.
Our eSync Tool won't lock the ISC, unfortunately. You need to do that with an OBD, SDS 2 tool.
If you would like to check the engine condition and the pressure values of the cylinders, the eSync Tool will be the perfect product, please learn more about it here:
https://www.healtech-electronics.com/products/est/
Regarding your OBD inquiry, our OBD Suzuki tool is not compatible with the 2022 model year of the Hayabusa, but we plan to update/revise the complete OBD tool line in 2022 and that is when new brands/models will be supported. Currently we don’t have an ETA yet.
This will be a new hardware (the current generation cannot be updated) with many new features like wireless connection and mobile device compatibility.
Please follow our website and social media accounts for the latest product releases.
Should you have any further questions or comments please feel free to contact us again."
The way I'm looking at this with the info I have at hand currently:
1) Use esync to at least determine how far off your TB's may or may not be.
2)With these findings, determine if you want to attempt making changes without being able to lock or relearn ISC, or unfortunately take it to the dealer and pay up.
3) Visit the planet Unobtanium and acquire SDS-2.
"Thanks for contacting us.
Our eSync Tool won't lock the ISC, unfortunately. You need to do that with an OBD, SDS 2 tool.
If you would like to check the engine condition and the pressure values of the cylinders, the eSync Tool will be the perfect product, please learn more about it here:
https://www.healtech-electronics.com/products/est/
Regarding your OBD inquiry, our OBD Suzuki tool is not compatible with the 2022 model year of the Hayabusa, but we plan to update/revise the complete OBD tool line in 2022 and that is when new brands/models will be supported. Currently we don’t have an ETA yet.
This will be a new hardware (the current generation cannot be updated) with many new features like wireless connection and mobile device compatibility.
Please follow our website and social media accounts for the latest product releases.
Should you have any further questions or comments please feel free to contact us again."
The way I'm looking at this with the info I have at hand currently:
1) Use esync to at least determine how far off your TB's may or may not be.
2)With these findings, determine if you want to attempt making changes without being able to lock or relearn ISC, or unfortunately take it to the dealer and pay up.
3) Visit the planet Unobtanium and acquire SDS-2.
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