V4 Exaust Eliminator Healtech ESE-D03

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On the V4 I am not sure but as GunMoto mentions, you should eliminate the potential source of interference by replacing/ checking the impact those connections potentially have on that circuit.


จีคลับ
 
Zard and Eliminator

I just installed Zard Slipon/Healtech with latest Firmware...V4 S was at dealer 2 weeks ago and had all updates/recalls completed.

So I can also confirm...No issues with engine light, etc.
 
Update. My engine light came back on after a few rides and it is the ese code. And now it won't go off even after a reset. Don't know why it went off for a couple of weeks.
Very strange!


Sent from my iPhone using Tapatalk
 
auco said:
Hi
I got the servo eliminator today. The assembly is very simple. Before mounting make sure that the exhaust flap is open. then unplug the connector and connect to the eliminator. greetings
Click to expand...

Nice! Thanks for sharing the detail. Does anyone know the purpose of this flapper? Is it made just to decrease noise at cruising speed? If so, that is going to the top of my accessory list for safely lane splitting. Noisy is noticeable. I don't want to be sneaking up on anyone.

I'm curious if there's any performance effects, or if the Ducati Engineers had any other reason for including. Also, does it help with cooling the bike? I notice after long freeway trips on the bike it's warm enough to run the fan for a while after shutoff. If you notice any temp improvement please let me know.
 
Drax said:
Nice! Thanks for sharing the detail. Does anyone know the purpose of this flapper? Is it made just to decrease noise at cruising speed? If so, that is going to the top of my accessory list for safely lane splitting. Noisy is noticeable. I don't want to be sneaking up on anyone.

I'm curious if there's any performance effects, or if the Ducati Engineers had any other reason for including. Also, does it help with cooling the bike? I notice after long freeway trips on the bike it's warm enough to run the fan for a while after shutoff. If you notice any temp improvement please let me know.
Click to expand...

https://blog.brocksperformance.com/exhaust-valves-and-servo-motors-explained/

in here you find:
The purpose of this system according to the motorcycle manufacturers' marketing departments is to create back-pressure at lower RPMs to increase torque. Unfortunately, this probably isn't the real reason; the true purpose of the exup valves is to meet noise and emissions regulations. The exhaust valves are partially closed at idle and low rpm to reduce noise, and closed again at the upper RPMs to meet peak noise and emissions regulations. The proof of this has been shown on the dyno where removing the valves and retuning the engine creates a flatter better torque curve. Additionally, in the USA, most bikes close the valve again at the upper RPM range, but in Europe they do not (different regulations) and the European bikes typically create a few more HP on the top end as a result.

The last sentence is right, the EU V4R has a little more HP than the US V4R
 
realnuts said:
https://blog.brocksperformance.com/exhaust-valves-and-servo-motors-explained/



in here you find:

The purpose of this system according to the motorcycle manufacturers' marketing departments is to create back-pressure at lower RPMs to increase torque. Unfortunately, this probably isn't the real reason; the true purpose of the exup valves is to meet noise and emissions regulations. The exhaust valves are partially closed at idle and low rpm to reduce noise, and closed again at the upper RPMs to meet peak noise and emissions regulations. The proof of this has been shown on the dyno where removing the valves and retuning the engine creates a flatter better torque curve. Additionally, in the USA, most bikes close the valve again at the upper RPM range, but in Europe they do not (different regulations) and the European bikes typically create a few more HP on the top end as a result.



The last sentence is right, the EU V4R has a little more HP than the US V4R
Click to expand...



Interesting; I guess I had better add researching exhaust options to my to do list.


Sent from my iPhone using Tapatalk
 
Ese-d03 v3

Update...I installed the newest version which is V3. Several rides without any issues
 
Servo

United States...Bike was serviced 9/10/19 by Las Vegas Ducati...so I assume thats the latest software version
 
realnuts said:
https://blog.brocksperformance.com/exhaust-valves-and-servo-motors-explained/

in here you find:
The purpose of this system according to the motorcycle manufacturers' marketing departments is to create back-pressure at lower RPMs to increase torque. Unfortunately, this probably isn't the real reason; the true purpose of the exup valves is to meet noise and emissions regulations. The exhaust valves are partially closed at idle and low rpm to reduce noise, and closed again at the upper RPMs to meet peak noise and emissions regulations. The proof of this has been shown on the dyno where removing the valves and retuning the engine creates a flatter better torque curve. Additionally, in the USA, most bikes close the valve again at the upper RPM range, but in Europe they do not (different regulations) and the European bikes typically create a few more HP on the top end as a result.

The last sentence is right, the EU V4R has a little more HP than the US V4R
Click to expand...

To chime in on this 2 years late while I'm wiring my valve open, it is very situational. Some bikes under certain circumstances actually do function to help with bottom end power. In the case of the V4 and V2 Panigale, the V engines really don't need it at all, torque is their thing. However, when these were originally made by Yamaha it genuinely was to help with bottom end torque on their inline 4 engines. These valves, unlike most of what we see today, would open to varying degrees and allow more/less flow to give the bike some back pressure and then go wide open once they got out of the troubled areas.

I can't say for certain Ducati don't still do this to some extent, but their main function is absolutely for noise standards now. The biggest impact it has is that it will close within the specified RPM range that the noise emission standard is measured at. For the V4 it's around 6000rmp if I remember correctly, its listed on the emissions sticker, where you can be in neutral and rev the bike to that RPM (steadily holding it, not blipping) and the valve will slam shut on you. Caused all sorts of complaints with jerky around town cruising on the 1199-1299s because it literally just clogs the exhaust to shut it up.

But hey, it gets us the loudest stock bikes in the market, so good on them.
 

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