More S2R1K O2 stuff

[ProTeal55]

Maybe I am missing something but where exactly do you go to purchase one of these do-hickies ?

[topangster]

My '06 S2R1k has been wired with the madduc O2 manipulator since Sept. 7th. I have no complaints.
I put it in the mid position and left it. I've put at least 5 tanks thru the bike since... I just don't think about it anymore since I'm not reminded that I HAD a low rpm issue. I can idle through my neighborhood at about 2.5k with only slight chain snatchiness just from the fact that the engine is turning so slowwwww. And as I've posted here and on TOB, the dead spot at 4k is gone.

Hey Billg69:

I have an 08 s2r 1K with the RB 02 Emulator installed.  When I initially put on the Emulator, my exhaust was completely stock, and it made a night and day difference (sounds like what you experienced with the FatDuc gizmo, but cost me an extra $150...) 

However, I've since removed my cat and udder and put on a Spark mid-pipe.  As a result, the bike now has considerably more punch, especially in the mid-range, but some of the snatchy/lurchiness has returned at low RPMs.  Not consistently, seems to be mainly when it's hot, but it definitely runs a bit rougher now that it did before removing the cat and udder.

Do you think the FatDuc will give me greater adjustability than the RB Emulator?  I suppose I should ask this question of the guy who's making them, but you have a bike like mine so figured I'd try here first. Thanks,

Topangster

[wengr]

Maybe I am missing something but where exactly do you go to purchase one of these do-hickies ?

www.fatduc.com

considering trying it myself

[q monster]

hey Topangster - i've also got a 08 S2R1k - full spark system with the udder gone, and with this the predictable problem of being too lean - im just about to fit a new ecu and dyno it. my mechanic has the ecu details but i will post them when available. i'm not using the DP ECU as too expensive - theres a cheaper option made in Australia.

the only issue i have with the resistor setup is that it is a fixed setting - doesnt really optimise performance, just makes the mix a set amount richer throughout the full rev range. so depends on why you started customising the bike in the first place.

[billg69gmc]

Hey Billg69:

I have an 08 s2r 1K with the RB 02 Emulator installed.  When I initially put on the Emulator, my exhaust was completely stock, and it made a night and day difference (sounds like what you experienced with the FatDuc gizmo, but cost me an extra $150...) 

However, I've since removed my cat and udder and put on a Spark mid-pipe.  As a result, the bike now has considerably more punch, especially in the mid-range, but some of the snatchy/lurchiness has returned at low RPMs.  Not consistently, seems to be mainly when it's hot, but it definitely runs a bit rougher now that it did before removing the cat and udder.

Do you think the FatDuc will give me greater adjustability than the RB Emulator?  I suppose I should ask this question of the guy who's making them, but you have a bike like mine so figured I'd try here first. Thanks,

Topangster

Initially my bike had the udder with staintune ti exhaust. Bike was sooo restricted compared to a full exhaust. I went with the Arrow system based on LT at desmotimes stating it was the one system he found that worked with the stock ECU.

While the bike certainly breathed better, took away some back pressure, the 3k-4k range still sucked the same. I'm sure I've been waiting like many for Competition Systems to release an ECU for the S2R, it was just too easy to try out the Manipulator.

q monster: I had the understanding that up until 4k is when the bike changes loops. Maybe that explains the 4k dead spot I use to have. I dunno, being a shadetree wrench... But for sure you can putt around at 2.5k (keeps the noise down until I get out of the neighborhood) with only a faint feeling of engine/chain snatch.

The bike is better behaved when up to operating temps, but I do not smell any richness in the exhaust during startup.

My understanding of how this is working is this... please someone with ECU knowledge correct me if I'm off... Is that the ECU map still does what it does at different TP, but since the Manipulator trims out the signal at a constant setting, it richens up things from idle to 4k. After 4k the ECU works from the ECU and does not adjust based on the O2 sensor. I have not noticed any added power, but for sure the transition in acceleration from the bottom end is as it should be, smooth. You can pull away from a dead stop and ease thru the gears. You can short shift to keep the revs down at 4k cruising. Prior to this, on my ST3 I would idle down the road at 4k and run the S2R at 5k just because the motor sounded comfortable there. Now I can ease up without feeling that the motor is bogged. And of course with the full exhaust, if you don't feel like doing parade laps... if you drop the hammer you leave a sonic signature for all to enjoy... not to mention the added benefit of setting off car alarms, it sort of a cheering section as you meander thru a parking lot!

[topangster]

hey Topangster - i've also got a 08 S2R1k - full spark system with the udder gone, and with this the predictable problem of being too lean - im just about to fit a new ecu and dyno it. my mechanic has the ecu details but i will post them when available. i'm not using the DP ECU as too expensive - theres a cheaper option made in Australia.

the only issue i have with the resistor setup is that it is a fixed setting - doesnt really optimise performance, just makes the mix a set amount richer throughout the full rev range. so depends on why you started customising the bike in the first place.

QMonster:

I would be VERY interested in a lower cost ECU solution.  Do post what you discover...

I'm looking at going with a Spark system too (already have the mid-pipe).  I like the exhaust on either side look.  On the other hand, I have heard the Arrows work best with the stock ECU.  My main reason in making changes is to get some more noise from the pipes (stock is so quiet people can't hear my when I split lanes), and I also want it to run smoother.  I got it to be pretty smooth stock, using the 02 Emulator, bu it was just too quiet.

Topangster

[q monster]

billyg - you're right about the 4k change in ECU input - below this the o2 sensor is feeding back info so changing the resistance can alter the feedback and result in a richer mix. after 4k however, the sensor input is minimal and therefore the ECU map determines the mix and performance. with the full spark system and no cat conv the mix is too lean throughout the rev range and therefore need a more appropriate map - problem is of course being that the standard ECU can't be remapped.

Topangster, the new ECU im about to get is being fitted by Todd Patterson at Wayne Patterson Ducati - Western Australia. you can google wayne patterson and their website and email is available. they'll get the ECU in and remap it for your bike and send it to you. im getting mine fitted there and will have the bike dyno'd to get the best map. i already have had the standard bike premodification and post-spark dyno'd so will post the comparative numbers when available - probably in about 2 weeks time

[CairnsDuc]

I assume that people have been measuring the resistance across the 02 sensor when it is cold, that is where they are getting the 330 ohms, has anyone measured across the sensor when the bike is running?

The resistance will change depending upon the Temperature of the of the sensor, so I would also assume you would have to try a few different resistance ratings of until you found the happy medium between hot and cold performance.

Or as others have done, use a pot to tweak the resistance, again in the hope of finding the happy medium.

I'd be interested to see the resistance when the bike is running at normal temps.

[Le Piou]

I'm pretty sure that he is offering a 30 money back offer, but I don't think you will return it.

He does.
I just ordered mine.
I am curious to see what it's gonna do to my 2007 S2R1k: My ECU has been changed by DNA at 4000 miles (I have now 18000 miles on it) under warranty for a so-called "new, improved" ECU.
My bike was stalling at every stops. Bad.
After they changed the ECU, the bike ran OK (meaning no more stalling issues) and still runs OK.
I am curious to see if your manipulator will improve the performance on my bike as for the others.

I'll keep you posted guys.

[Capo]

Its He man mod time.

If you look at the other link on monstermash's thread, i posted the link on how to make the device.

The difference between the $80 and the $5 one you can build by yourself is adjustbility. the $80 switch (is suppose to...) be able to adjust anywhere from 14 to 13.1:1 AFR.

The hard part in making these things is getting the connector. I haven't been able to find one. you guys find me one, ill make that shit right now.

My bike is surging like a mothermake the beast with two backser on idle after i got her back.

It appears to be an AMP connector, moto wheels carries them

[ProTeal55]

Just bit the bullet and ordered one of these things for my 07 S2R1K.
I will post my results once I get it installed and get some miles on it...

[He Man]

It appears to be an AMP connector, moto wheels carries them

link? i have not been able to find anything. i searched electrical -> ducati -> monster

[Capo]

link? i have not been able to find anything. i searched electrical -> ducati -> monster

http://catalog.tycoelectronics.com/catalog/cinf/en/c/10876/956?BML=10000-S,10238&RQS=C~10876^M~FEAT^BML~10000-S,10238

[jborders5]

[ProTeal55]

Jason,

As I said above I ordered up one of your units today for my 07 S2R1K.
I look forward to getting it and seeing how it works on my scoot.