KTM Duke 390 Booster Plug Installation!
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- čas přidán 26. 08. 2024
- I installed a Booster Plug to the 2017 KTM Duke 390. I have already Decatted it and removed the exhaust baffles. Sounds like crap! : )
Check out www.boosterplug.com for your bike and see what they can do for you.
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you can check your sparkplug to see if it's rich enough .. :d
Mine shakes a sec when shifting on freeway sometimes scary. I think i should learn clutchless shifting. Also, installing puig windshield today.
Yeah I would. Just roll off the throttle a little then shift up positively. The screens are ok but they're super ugly. They do work though.
Great video thanks. Now you have had it fitted fora while, is it still performing as expected? Seen some reviews which say the ecu reads the constant messages from the booster plug and reverts to the lean mixture after a few thousand miles? Thanks for response in advance.
Hi Gary, glad you liked it mate. Sadly I've since sold the bike and bought a Fantic Casa 250 off road bike. The woods were calling me.
The time I had the bike with the booster Plug though was faultless. You could tell it was working as it smelled more of fuel. It never smelt like that pre booster Plug. It felt more Torquey down low too. Lost a bit of top end but down low it pulled harder and ran smoother. None of the kangarooing at low speeds. Didn't need to slip the clutch as much.
@@dynamotightstar3472 thanks for the quick response, much appreciated. Looks like I'll be giving it a go. 👍
@@GaryBickley you're very welcome. I just wish I hadn't drilled my DB and DeCatted. Cat but with standard exhaust would've been amazing. Hope you like the booster Plug mate.
Your passenger Pillion seat, what is that?
One of these. It was ok for the money.
www.amazon.co.uk/dp/B075WNL691/ref=cm_sw_r_cp_apa_glt_fabc_43KQBESRSV69Y5X90PW3
Great video! , Like you I fitted a decat pipe that removed the cat and middle silencer but left the std end can with dB intact plus popped on the Booster plug . To be honest it was still noisy and sounded like a fart in a collander!! Also with ear plugs in and my trusty Roof helmet to totally block out the noise the bike felt flat in the mid range and disappointing.
So popped the complete etc exhaust back on with the booster plug still on and you could feel a definite surge in the power band from 5k when the the closed loop shuts down.
To my mind the cheapest way of making the Duke better is just fitting the Booster plug and fitting a 14 t engine sprocket which pretty much makes 1st gear redundant other than starting off but brings top gear far more useful and giving greater acceleration to boot.
For a total of £140 it's great way to make the Duke even better!
Thanks mate, much appreciated. Always wondered how it would sound with the stock can in tact.
Mine didn't feel flat anywhere really and felt more punchy down low. I lost a little off the top end I think.
I've dropped a tooth on my off road bike which suits it perfectly but I can't see the Duke really needs it in all honesty. I had good use of all the gears on mine. It's not like they make very thing the same though is it. Their QC isn't the best and could be down to anything.
Mind you the Little Duke is great bike for us U tubers!! The list of mods people throw at it is amazing , with different exhaust s, Expensive ECUs, Air filter mods etc etc probably cheaper to get a 790 lol! Keep up the good work.
@@robertedmunds3267 it really is mate. I wish most days that I'd never sold it. Not only because its an amazing bike but because they're the only views on my channel that get any kind view numbers! 😆
Just as a follow up for you many Duke fans during this current warm spell we are having I have noticed a drop in performance which I am pretty sure is overfueling due to the higher temperature. It would seem where you place the temperature probe has a big effect regarding the mixture.
After many hours messing about with different exhaust set-up this is where I have ended up, The std KTM exhaust can fitted with a decat pipe that replaces both the Cat and the middle resonator box , After much trial and error i drilled a hole in the rear of the author and inserted the probe there so it reads the temperature as it comes in thru the filter element.
This seemed to cure the rich mixture so much so that I put the stock 15 tooth sprocket back and even with my 16 stone it really pulls well!
Makes some lovely pops and bangs on the overrun as well
Should have said the back of the Airbox!!
Great video! I shall now go and install my one I brought yesterday! Thank you 👍 Great video
Cheers Jack and you're very welcome. Hope you like it mate.
Hi Jack wondering how your booster plug install went?
Alix Ludlow I returned it...Found it made my difference to my bike...It’s a 125 so I didn’t really expect much. I think I’d work much better on the 390
Nice! I came here on your suggestion from the decat video. So if you were to sum it up, are you happy with the decat and what are the main points you can say you found a difference with after decatting, if we just leave the booster plug aside for a while. Thanks! 👍🏼
None really. Don't decat without the booster plug. The bike is already running lean and the decat makes that worse. Long term you will damage your engine. In my opinion that is. Also, don't decat and remove the dB killer. Keep the dB killer, as the bike sounds terrible without it and the cat removed. 👍
Correct me if I'm wrong as im just bought myself a 390 from 2018...
Never drove a duke 390 before,first impression is that bike feels like loves Middle range/high revs at low revs its a bit clunky... This mod would help the running at low revs???? Thanks
From what I remember and probably said it in the video, it was smoother at low revs. It's hard to find a better bike for the money that's for sure.
@@dynamotightstar3472 although they not cheap, the quality is there 100percent!: a bike that loves corner's not made for boring motorway drives...
That is very true. If I were going to do long motorway journeys on it I'd swap a sprocket for sure. It'll drop the revs down so it won't be screaming everywhere.
@@dynamotightstar3472 specially with the after market exhaust that you had on ours... Screaming 😱😱😱 a lot 🤣🤣🤣
I definitely do not recommend that modification. Not in the slightest 🤣
Did you do any other air/fuel mods on your Duke when you had it? Such as the airbox mod? I am getting an exhaust that will delete the cat so I just was curious. Thanks in advance.
Hello mate. I just did the exhaust decat and booster Plug. If I was going to do the airbox mod I would probably use one of the other products on the market and that lets a whole load more air in.
@@dynamotightstar3472 Ok. I went with a knock off SC exhaust and CAT delete. I probably won't fit them until i get the Boosterplug. All I have done thus far is drilled the baffle out. I'm under 150 miles away from first service, but with all of this COVID stuff my shop is closed 🤦♂️
@@gmoorhead459 the dB removal is pretty much all you need mate. It's a lot of fucking around to get that cat out and if you don't like it getting it back in is even worse! Good luck with it and hopefully this will all be over soon and you can get your dash unlocked. : )
so all that mod is doing is telling the engine its cold hence the temp sensor away from the air box on the booster plug seems like a waist of money at 140 quid as thes bike are digital now the only way to get better performance is to buy a bigger or older bike im very surprised that nobody has started to sell a remapped ecu for these bikes yet
Do you feel like the boosterplug would be worthwhile for a bike with a Akro muffler without the DB killer? What about the muffler and the airbox mod? Something more than just the booster plug? Thanks for the video.
I think the booster Plug is worthwhile with any mod that lets more air in. The air box mod for sure as that's all it does. The booster Plug adds more fuel. Even if you didn't modify you exhaust system I would still consider the booster Plug as the Duke engine runs lean to meet the emission regulations. Booster plugs just tells it to put more fuel in. 👍
Getting a 390 duke really soon. What do you recommend I do. I want a louder nice sounding exhaust
Morning, it all comes down to how loud you want it to sound really. If I could it again I would either by a good quality can or I would leave the stock can in place and remove the cat. The way I had it was too loud. Hope you get your bike quickly 👍
Would this work on a 125
I don't remember it being exclusive to the 390. It's not a smart device so I don't see why it wouldn't work on any bike.
Not sure if the bar end mirror mounting is different for US models but could you tell me which mirrors you have installed?
Morning Jake, this video has a better idea of the mounting czcams.com/video/sd5DhVQx0aY/video.html
They were from eBay and were pretty cheap. I added them to fit my bike as I have hand guards on. I had to buy longer screws to make them fit.
will this stop my 68 reg 390 duke from stalling ? it's done it from new ,over 3,000 miles now so motor is no longer tight, a mate's 18 reg does the same thing, shut the throttle and it cuts out "some times" temp don't seem to matter.
I'm no expert mate it probably would. The issue is that they restrict the flow of fuel to hit the emission regs. They sometimes get it a bit wrong. Drop them an email to be sure but I'd say yes it will help. Jean at Booster Plug is a good guy, very helpful.
Will it increase the perfomance in initial and topend
Hi, apologies for the delay. The torque down low was much better. It lost a little top end. It went down to 95 from 105 roughly. Much smoother though.
Hi nice video. You think roster plug and the coober air filter lid will work nice in combination? thanks
Hi Isi, thank you. No, not sure that would work any better than the stock airfilter. The coober is designed to work with their ECU. You could try it and see what happens though of course.
@@dynamotightstar3472 I contacted boosterplug and they said it will work just fine. But the only way to be sure is to try it...so crossed fingers and let's hope for the best. Please make more videos for the 390 I'm sure a lot of people will want to see them.
@@isirideredits let me know how you get on. You'll need a Dyno though to be sure which I'd imagine is gonna cost a lot of money.
I'm afraid I can't make anymore with Duke as I sold it. I've now got an off road bike. Fingers crossed the coober and booster work well together.
Would it help my ideling, it won’t idel without throttle since the exhaust has been decatted, and im looking to get a full exhaust system soon and it recommended to up the fueling ratio so would this work for it? Thank you
Hi Ross, I would say yes, it will as it increases the fuel mixture.
What you cans is put your bike up on a centre or paddock stand and let the bike run for 15minute's without touching it. It should recalibrate the ECU for your exhaust mod. The booster plug is cheap though so I'd get one see how it goes.
@@dynamotightstar3472 I will order one and see if it helps, thank you
You're very welcome.
@@rossgodfrey8816 did the booster plug help? I have the same issue on my KTM duke 2014
Hiya. How are you finding the booster plug? Now you have been using it for a while. I'm thinking of buying one. Thanks in advance.
Hi and thanks for watching. I haven't had the bike for about a year. Most of my vids are the new bike now. The booster plug was great. Only needed if you mod the bike. If you aren't doing anything to it then leave it standard. I bought it because of the decat and being that the bike is built to run to lean I didn't want it to destroy itself.
If you do get one then don't forget to reset the ECU.
@@dynamotightstar3472 Thanks for the quick reply. Is that the 15 minute reset that I have read about? It's my first bike in 5 years and it's taking a while to get used to. I'm more used to sports bikes. I really like it but I wish it was smoother at lower revs. Hence the Booster Plug idea. I really liked your comment about people chucking shit all over the roads. That made me smile. 😁
Yep that's the one mate.
Say this place is still a building site and they have those sweeper vans all over the place but the only places they don't clean as the bends and roundabouts! All the fun bits. 😃
@@dynamotightstar3472 how do you rest ecu
@@dynamotightstar3472 hello I own a KTM duke 125 2014, how do you reset the ecu? And why and when would I need to reset it?
Thanks in advance
So to recap...................if I drill the std can (baffle out), install a booster plug I can then get away with changing the airbox lid? I'm going to leave the cat' in for now.
I'd say there's a very good chance that it would work fine. As I didn't do the airbox mod though I can't say for sure.
The premise is sound though as the booster plugs tricks it into adding more fuel.
@@dynamotightstar3472 , I hear you but don't want to burn out a spankers new engine! Trouble is, whilst it's still under warranty there's so little you can play about with.
I'd say leave it be mate. The reality is that nothing you do to it will make much of difference to the bike. I bought an SV650 a little while back and it was much older and with 180'000 miles on it and it was way faster than the Duke. If you got 1 or 2hp it wouldn't be enough to make it worth risking your motor.
@@dynamotightstar3472 Yeah, I'll run it in and keep up the servicings for now......................last 'bike was modified TL1000S about 5 years ago so this little scoot (when it arrives) should be a blast! Stay safe!
The Duke handles better than anything else I've ridden and is absolutely brilliant. It just lacks is bit of pace after a while if you're doing any distance on it. Round town and round the Twisties it's hard to beat.
Do boosterplug help if my bike run Lean? Have grom with exhaust and intake
That's exactly what it does. It makes the bike think it meeds more fuel. Check on the booster Plug website for a Grom version. 👍
Dynamo Tightstar my mate told me it was not worth the money, and other brands is better. How is your experience after 9 months?
The is plenty of literature available online mate. It worked well for my bike.
Hi!
How this thingie really works?
Thanks!
Hi, it's tells the ECU that has it has more air than it actually does and then the ECU adds more fuel to compensate. Thanks for watching.
@@dynamotightstar3472 great, thanks!
@@Fucos_ you're very welcome.
@@dynamotightstar3472 but one thing. Does this meter the airflow or the airtemp?
It does nothing more than the above mate.
Does the sensor have to go to the back or front
Not sure what you mean mate.
Dynamo Tightstar the metal sensor or prob if it’s called that on the BoosterPlug metal end that you mounted in the back plastic does it have to go to the back or can it be mounted to the front of the bike
@@djCarterboi25 I see. As long as it can breathe it can go anywhere. You don't want it near the exhaust as it'll heat the air around it.
Dynamo Tightstar ok cheers just on my 125 duke the rear end is all covered up witch is y I was gonna try mount it up front somewhere near the headstock or will that get to much air there
@@djCarterboi25 you can't get too much air. It's not a very long lead on the probe though so may not reach mate. It you can though it'll be fine. 👍
Hello: I want to ask you if you really saw great improvements. Thank you. Enrique.
Hi Enrique, apologies for the delay but it doesn't look like I replied to you. I could smell a lot more fuel on start up and sometimes when riding slowly so as I said in the video I feel like its doing its job. It isn't to boost power, its to increase fuel input. The decat changed the power delivery characteristic and the booster plug stopped the bike running too lean which could cause damage to your engine. DT
Blasting around wixams is fun sometimes do it on the way home lol
Gotta make the most of the off road areas as they won't be there for much longer. It'll all be warehouses soon!