ECUnleashed Gen2 - RESULTS ONLY

[Rasher]

So Rasher, assuming I wanted to set my bike up like yours; header, slip-on and Gen2 flash? Or do you have a (full Arrow system) PCV and autotune also?
Thanks, Scott

No I only have the Flash, my Unleashed dealer thinks it is the O2 Optimisers that sort out the slight surge and not the Autotune. Of course having the full Power Commander kit will allow you to get the perfect setup for YOUR bike as they all vary slightly.

I also do not yet have an end can - but most of the restriction is in the headers, a tail pipe will only give about a 2BHP gain with the OE headers, my headers opened up 6BHP (without the flash) and gave much better breathing up top even before the Flash (but caused the surging, which pre-flash was very annoying) A full Arrow system should give around 9BHP on an otherwise stock bike (Arrow claim 2BHP for end can and 9BHP for system)

I am about 8BHP up on bog standard without the end can, and the Flash looks to have given another couple of top-end ponies, but this is missing the point, the extra midrange of the Flash is fantastic, and the "throttle - to - wheel" feel is a hundred times better.

If you want 100% perfection get a full system, flash and Power Commander with O2 optimisers, but if you can live with 90% perfection the Flash will do the job, of course if you leave the OE headers on you probably won't even get any surging - but you will be missing out on the big power gains.

 

[scott123007]

Ok, thanks. I will get the Arrow headers. I have an Akrapovic end can from my V-strom and just for the hell of it, try to make that work. I'm sure I can get a local muffler shop to fab me a connector pipe, especially if I make a template for them with some flex pipe. If I don't like the way it ends up looking, or working, I can always go back to the stock can. I will see how I like it with the flash first and then get the PCV and Optimisers next.

 

[Kevhunts]

My report on the Gen2 flash is very favorable.

That low end "snatchy-ness" or "on-off" feeling is now gone. Not sure if some were referring to it as a "surge" but mine is now very smooth accelerating from idle on up. The bike feels like it pulls well from anywhere in the rpm range and throttle control is very linear.

T-mode is more subdued compared to S-mode which is what most of us want for foul weather riding.

Too soon to tell if fuel economy has changed but I am avergaging about 1 mpg above the previous flash.

If anyone with the gen1 flash is on the fence about getting this gen2 flash, don't hesistate. It is well worth the trouble.

For those who haven't had their ecu flashed at all, this will transform your bike and leave you grinning from ear to ear. (At least it did for me.) ;D

 

[S_Palmer]

Just finished installing and test riding my gen2 upgrade, about all I can add to the above posts is a big THANK YOU Ed.
This bike finally runs like it should have from day one!!!

 

[William42]

So far so good with the Gen 2 re-flash. No surging. Bike pulls harder. I will post more when I get some more miles on the bike.

 

[Ron_Luning]

That low end "snatchy-ness" or "on-off" feeling is now gone. Not sure if some were referring to it as a "surge" but mine is now very smooth accelerating from idle on up. The bike feels like it pulls well from anywhere in the rpm range and throttle control is very linear.

With the YCCT throttle control, I figured that there was a bit of a buffer built in so that if you were in a lower gear in S mode and hit a bump or twitched your wrist that the throttle wouldn't open instantly and cause you to lose control of the bike. With the Gen 2 flash, does it seem as though any and all buffer has been removed from the throttle opening speed?

I frequently split lanes through stopped or crawling traffic, and I wouldn't want to make any modification that increases the likelihood of me touching a car against my will.

 

[Rasher]

With the YCCT throttle control, I figured that there was a bit of a buffer built in so that if you were in a lower gear in S mode and hit a bump or twitched your wrist that the throttle wouldn't open instantly and cause you to lose control of the bike. With the Gen 2 flash, does it seem as though any and all buffer has been removed from the throttle opening speed?

I frequently split lanes through stopped or crawling traffic, and I wouldn't want to make any modification that increases the likelihood of me touching a car against my will.

The restrictions are not a "Buffer" just that the bike would only give a tiny bit of throttle low down, this gave a massive hole in the torque graph followed by a peaky power delivery - you only have to look at the second gear power graph to see how non-linear the throttle is. Even in thirs there is a huge dip in torque at around 40mph, annoying at best, dangerous when your trying to overtake a slow moving vehicle and drop down to third in the vain hope the bike will pull cleanly only to find yourself wheezing along on the wrong side of the road with a 40 ton truck heading right at you.

Consistent and linear drive is available with the Flash, IMO this is far safer and easier to control as I know that I get exactly the drive I want regardless of gear or RPM the bike responds to my inputs rather than just doing whatever it feels like.

You could always use touring mode if you really cannot handle the "full force" of the S10 motor, but I have found mine absolutely spot-on and having spent a hole day on bumpy back roads not once have I found it launching itself uncontrollably across the road because a bump caused my hand to twitch.

::021::

 

[Kevhunts]

With the Gen 2 flash, does it seem as though any and all buffer has been removed from the throttle opening speed?

One of the things I had to learn with this bike was smooth throttle control from a stop or low speed, otherwise you may accelerate quicker than you had intended. This is what I referred to as "snatchy-ness". That abrupt accel/decel character is gone now and the bike accels much smoother. It just feels right.

 

[Ron_Luning]

Great news guys, thanks. No problem with the full power of this motor for me. It is in fact one of the less powerful bikes I've owned over the years, I was just more concerned about the flash making the throttle response "snatchy" more than it is in stock form. Looks like it actually cures that condition.

 

[Rasher]

I was just more concerned about the flash making the throttle response "snatchy" more than it is in stock form. Looks like it actually cures that condition.

It does pull harder on part throttle, but this is very linear, after a few miles your brain / wrist re-calibrates, I think the better fuelling also makes it feel a lot smoother - or at least mine does.

 

[fredz43]

I sent my ECU to EC Unleashed on April 24 and got it back today and of course, eagerly installed it. We have been having a lot of rain today, but it cleared enough for me to take a 20 mile ride over some back roads. All, I can say is "wow, thank you!". As others have said it does pull harder and is very linear. I commented when I got the gen 1 flash that it didn't seem like there was a lot of difference between T and S with that flash. I could feel the improvement in S, but also thought that I could feel improvement in T also It almost seemed like that flash did influence T mode, although we were told it did not. With the Gen 2 flash, there is a dramatic difference between the two. After doing the first part of the ride on S and really enjoying the instant throttle response and harder midrange pull, I switched to T and was surprised at how mellow it felt. That will come in handy in conditions such as rain when I want mellow response, but I can see that it will remain in S for my normal riding. As far as MPG improvements, I can't tell yet, as I was giving it plenty of throttle on those back roads, enjoying the improved performance and didn't get into 6th gear much. As such, the readout was only showing 39 MPG. When the weather clears I look forward to enjoying a lot more miles. Can't wait! ;D

 

[3putt]

As usual, good report Fredz43.

 

[Z06]

Got my ECU back and installed it today. Had the hard/no start. This is the fourth time my bike has done that. Had me wondering for a few minutes whether or not there was a glitch with the ECU. Got it running and went for a short ride on dirt road. The throttle response is much quicker than the Gen1 flash as others have noted. This thing is fun on dirt road with TC off ::26::
Mine had very little if any difference between S and T modes with Gen1 flash. There is a drastic difference now. Almost too much. That's OK as I never use T mode on purpose anyway.
Worth the upgrade to me if for nothing else other than the instant throttle response.

 

[RMac]

By the sound of these reports ECU Unleashed have finally developed a flash that is as good as the Diapason flash ::025:: ::025:: ::025:: ::025:: ::015::

 

[pluric]

By the sound of these reports ECU Unleashed have finally developed a flash that is as good as the Diapason flash ::025:: ::025:: ::025:: ::025:: ::015::

I've tried not to read the others reports so that I wouldn't be biased. I got mine installed yesterday and the
first thing I thought was it runs like the early European Diapason reflash reports last year. I've now read this thread and
can only echo the remarks. Strong difference between T and S mode. Never felt a need for the T mode now I
can see using it to mellow things down when needed. 4K rpm and above it just launches in S mode. Stronger
6th gear passing roll on. Bit of a hooligan bike now. Short ride but I am VERY pleased with the results!

 

[Karson]

Above 3k RPM's the flash rocks. After further riding, my low RPM surging was still there (0's in the PCV, fueling completely reliant on ECU in that region). Played around with my fuel table on the PCV and got it smooth again, but it did not fix the surging problem after all. However, I planned on keeping my PCV + AT anyway, so it's all good.

EDIT: my mods are headers, slipon and PCV+AT in case anyone else is looking for a similar setup

 

[simmons1]

Above 3k RPM's the flash rocks. After further riding, my low RPM surging was still there (0's in the PCV, fueling completely reliant on ECU in that region). Played around with my fuel table on the PCV and got it smooth again, but it did not fix the surging problem after all. However, I planned on keeping my PCV + AT anyway, so it's all good.

EDIT: my mods are headers, slipon and PCV+AT in case anyone else is looking for a similar setup

How much fuel did you have to add with PCV to eliminate the surging?

 

[cadcamkenny]

Can anyone report on their new TOP SPEED ?
118mph is all i can get out of my stock bike.

 

[pluric]

Can anyone report on their new TOP SPEED ?
118mph is all i can get out of my stock bike.

GPS put mine at 123 with bags. Gen I reflash.

 

[Karson]

How much fuel did you have to add with PCV to eliminate the surging?

Despite what DynoJet advises - I had to put 6's in my 0% fuel table up to 3,000 rpm range. Then 8's in the 2% up to 3,000 rpm range. AFR cells are blank - I don't want to be trimming in there. I haven't rode two-up yet with these, but solo it didn't surge on me. I experience the worst surging loaded down