PowerTRONIC just released the FuelX ECU for the 401!

rekker

contributing rider
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Sep 13, 2021
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Pretty affordable- 160 for the lite and 180 for the pro

The lite has 1 autotune map
The pro has 10 autotune maps with a handlebar switch to change maps on the fly

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It only mentions the 10 autotune maps so I would guess no.

I'm a broke college student so I can't afford it right now but I will order it once I start working on Dec and I'll post a review on here
 
"Head's up for anyone else that's been looking for a more basic, affordable solution than $400-600 piggyback ECUs, to the Euro5 fueling issues utterly ruining low RPM stability and creating excessive heat for our 2021+ thumpers.
Pre-2021, we had BoosterPlug, Rottweiler Performance, and similar Fueling Dongles. But thanks to 2021 sensor monitoring requirements, many, if not all sub-$400 products have effectively been rendered useless."

That's a response someone got from powertronic on the husqvarna subreddit

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Here is the response that I got from Powertronics:

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This seems like a great mod considering the price and all of the different profiles/ features
 
Seems like without a dyno it will be hard to know which tune to select unless your butt dyno is super sensitive to change. I'm interested in real world results of this module and how it works with a cat delete pipe.
 
I have done some fuel injection tuning, mostly with PowerCommander. I've also used PowerCommander's autotune on two bikes.
I really liked how I could look at the actual power commander maps and modify the target A/F ratio and see how the engine adapted to those settings.
If the PowerTronic works well that is great, but I personally really like to see the maps and how much correction is being applied to reach them.
 
Just fitted the Lite, if wanting to go faster would have bought bigger bike, like the 675 Street Triple I used to run; low speed fuelling issues in slow traffic and short corners were spoiling 2021 Svartpilen 401 riding experience, jerky progress and more clutch slipping to cope.
(Irony is, Euro 5 rules lean the mixture, means you rev the bike higher, stay in lower gears and slip the clutch more than normal on setting off, making more noise and fumes...)
Was a doddle to install, although the instruction leaflet only relates to the Pro.
Result is different to what had been led to believe from the Boosterplug website, which says altering Lambda sensor cannot affect open loop running, however the bike started easier, and after a 79 mile ride either the ECU or FuelX Lite had sorted the entire range, open and closed loop.
Now pulls smoothly below 3,000rpm, if you don't select the right gear it doesn't stall now, and gives chance to drop down and recover.
Svartpilen is supposed to be a bike to cope with urban riding, with the FuelX added it does nicely, without it's flawed and difficult to ride gently.
Wonder how long clutches will last on stock bikes?
 
Just fitted the Lite, if wanting to go faster would have bought bigger bike, like the 675 Street Triple I used to run; low speed fuelling issues in slow traffic and short corners were spoiling 2021 Svartpilen 401 riding experience, jerky progress and more clutch slipping to cope.
(Irony is, Euro 5 rules lean the mixture, means you rev the bike higher, stay in lower gears and slip the clutch more than normal on setting off, making more noise and fumes...)
Was a doddle to install, although the instruction leaflet only relates to the Pro.
Result is different to what had been led to believe from the Boosterplug website, which says altering Lambda sensor cannot affect open loop running, however the bike started easier, and after a 79 mile ride either the ECU or FuelX Lite had sorted the entire range, open and closed loop.
Now pulls smoothly below 3,000rpm, if you don't select the right gear it doesn't stall now, and gives chance to drop down and recover.
Svartpilen is supposed to be a bike to cope with urban riding, with the FuelX added it does nicely, without it's flawed and difficult to ride gently.
Wonder how long clutches will last on stock bikes?
Did your FuelX shipped from India?
 
Just fitted the Lite, if wanting to go faster would have bought bigger bike, like the 675 Street Triple I used to run; low speed fuelling issues in slow traffic and short corners were spoiling 2021 Svartpilen 401 riding experience, jerky progress and more clutch slipping to cope.
(Irony is, Euro 5 rules lean the mixture, means you rev the bike higher, stay in lower gears and slip the clutch more than normal on setting off, making more noise and fumes...)
Was a doddle to install, although the instruction leaflet only relates to the Pro.
Result is different to what had been led to believe from the Boosterplug website, which says altering Lambda sensor cannot affect open loop running, however the bike started easier, and after a 79 mile ride either the ECU or FuelX Lite had sorted the entire range, open and closed loop.
Now pulls smoothly below 3,000rpm, if you don't select the right gear it doesn't stall now, and gives chance to drop down and recover.
Svartpilen is supposed to be a bike to cope with urban riding, with the FuelX added it does nicely, without it's flawed and difficult to ride gently.
Wonder how long clutches will last on stock bikes?
Is the Lambda sensor's connector in the Svartpilen in the same basic location and requires the same basic procedures to get to it as what's shown in the instructions for the KTM? Thanks!
 
Correct me if im wrong...but if the lite has 1 map that auto adjusts for the condition and modifications made to the bike, doesn't that make the 10 maps the pro has obsolete?
 
There is another company called Coobler which offers an ECU for the 401, it is not programmable.

Some people on here have one from what I read.
 
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