Smart Carb 2 Vs. Lectron Vs. Mikuni JD Jetting Kit
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- Опубліковано 10 лис 2019
- Smart Carb 2 Vs. Lectron Vs. Mikuni JD Jetting Kit KTM 300, Husqvarna 300 Testing the Smart Carb 2, Lectron Carb and the JD Jetting kit for the Mikuni Carb
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Lol, back in the day before jdjetting existed jd was helping people tune their carbs on the forums for free. His recommendations were spot on. Glad his business took off!
Thanks for the video excellent job I don't have any spooge coming out of my pipe and I'm running the motor X at 60 to 1 just like Husqvarna KTM recommends I am running VP Race Fuel as well
Thank for the thorough video. I have a 2001 CR250 with a Mikuni TMX. I've had the bike for 19 years. It took me a good 2-3 years playing with jets and needle clip positions to get the carb dialed, but once I got it, no complaints. This video confirmed my suspicion that a large number of people singing the praises of the single circuit carbs either don't under stand jetting, or gave up too soon.
Thanks! Agreed! 👍
great comparison. a great video. I had doubts about the effectiveness of JD but you have solved them for me. Thanks for the video work and above all because there is the possibility of translation. a greeting from Spain
Hola raul como hiciste para verlo en español
@@maximopelaez7898 el video tiene la opción de subtítulos en español.
Great video. At Texas elevation I agree that the Mikuni with JD runs a little stronger then the SC2. When I was at Sargents CO I had to go about 30-35 click leaner from stock setting on the SC2 . I was running the richer needle. But for me it was pretty easy to go leaner - about 5 seconds to adjust clicker. I am in the camp of not wanting to rejet when riding at different elevations (Tx 700-CO 11000) and not ready to go TPI yet. I chose the SC2 mainly because all adjustments are external and can be done on the trail. Lectron still required removal of the slide. The bottom line is for folks who still want to stay in the carb world - there are options.
KTM Trailrider Thanks! Yeah, 700 to 11,000 is a lot of elevation change. For the value vs. performance if I were heading out to a low or high elevation location every so often it’s not a big inconvenience to loosen two screws and turn the carb on it’s side to change a jet or needle. I believe just a jet change in most scenarios where I ride with the JD kit. Honestly quicker than an oil change. If I have to do that weekly then that’d be another story.
On another note I’m glad you got to ride Sargents! That place is really good!
You said it, there sure are lots of options out there. Usually the saying you get what you pay for is very true. In this case I feel like the performance gap and price gap don’t warrant the difference between $79 and say $500-$725. Just my experience and opinion.
Happy riding buddy! 👍
Bryan Burton Roger that. Sargents was fun. Got on some trail that had a lot of exposure. I won’t be doing those solo anymore. Came across several hikers as well along the CDT. Sargents is like the best place to setup camp and launch to many trail riding playgrounds in CO. Another really fun place was Hartman Rocks outside of Gunnison. Will be heading back to CO next summer to ride the BDR on my new 19 690 enduro. John Denver got it right - Rocky Mountain High.
KTM Trailrider oh man you called it! Such a great area. Sketchy solo for sure. Let us know when you come out next time. We try to get up to those areas as much as we can in the summer. Limited window for dry trail conditions in the high country. Take care 👍
Great review ,I have a 18 tx 300 ,19 tx 300 and a 18 250 exc and ran some different setups as well ,before I tell what I found 1 . I don’t do altitude and only 5 deg c to 30 deg c @ 300 metres above sea level ,semi technical riding { 57 years old) .ok first thing I think you are right about the mikuni ,stock I wasn’t happy with the 1/8 th throttle opening ,fitted the JD kit and was very happy with it , afterwards I fitted a new head from 2stroke performance and guess what ? Carb was was even better ,makes me think it’s not all the carbs fault,I fitted a Keihen next and I feel it’s slightly better than the mikuni but that might be personal preference ( splitting hairs) ,I have tried a lectron on an older 300 and didn’t like it but again may not have been set up .i have the ignition mod from 2 stroke performance ,their head and a keihen 38 mm on there can’t be happier but honestly the mikuni as you said with the JD kit is awsome value for money cheersd
dnrg62 thanks. Those are some great bikes you have! It sounds like you’ve gone through a lot of the same testing. I couldn’t agree more about the high compression head causing the Mikuni to run even better. Sounds like you have a great setup! Thank you for the detailed information. It helps us all! 👍
KTMS are also really really touchy, but man when you get them dialed un they are amazing. I will stick with my YZ250X though
Good, informative video.
I'm sure aftermarket carb suppliers aren't happy 😂☺
Thanks! Oh man the owner of Smart Carb had an absolute meltdown and started throwing me under the bus online because of a review I posted on one of the riding forums. It was shocking how aggressive he was!
Great video! I’d love to put a Lextron on my ‘14 300xc, but just couldn’t justify the cost. You can buy a couple sets of tires and a nice help net for that LOL. I have mine pretty dialed in, but i did just order the JD kit. Looking forward to trying that out.
Side note: that looks like the fountain riding area. I’m just 20-30 minutes from there and haven’t tried it out.
why put on a Lectron? you're already on a 36mm keihin....
I have a KTM 250 XC-W. I am running a Lectron. I love it. I am not great at jetting nor do I care to have to do it. It works great for a guy like me. It’s a set it and forget it.
I just put my lectron on the shelf after about 60hrs on my 2019 300xc bought a keihin with a jd jet kit and oh man do I love my bike again lectron was smooth but definitely not exciting way more torque right off the bottom and runs super crisp I was a little worried coming off the lectron but not anymore plus learning to jet is easy and good to know in my opinion
the Keihin is the best option for someone ho rides tracks/ with not too much elevation changes or is willing to jet the bike for temps or elevation (it’s the best option for tunability)
Price comparaison, you are right. But i think people that goes with smartcarb and lectron is fuel consomption and not having to open and change jeting.
Personaly i have the smartcarb sc2 on my 2017 tc250 bigbored 300 and doesn’t have any leak from the pipe. My real problem with that carb was the price, as you said very expensive.
Agree with your findings. The stock carb once jetted and tweaked with the JD kit is great. KTM specified a really stupid stepped needle with the Mikuni - then they "compensated" for that by putting in too lean pilot jet. JD fixes all this, plus the jet block issue. My buddy has a TX 300 with the modded Mikuni and it works perfectly.
I have a Lectron on my '18 300 XC, for me it is worth it as I live in CO and ride in UT and I am lazy! Once dialed, the Lectron is like TPI without all the complexity. Have ridden in varying elevations and temps from 4K to 12K and 35F to 90F, never have to touch my Lectron. My Lectron, from Slavens, came set a little rich, but that was easy to fix. The 4-1 metering rod works great once dialed on my 300.
Super picky types say the Lectron is a little "softer" responding than the stock carb. Maybe, but my bike also wears a high compression head and it is not "soft" in any way, it will rip your arms off - LOL. The TPIs I have ridden feel "soft" off closed throttle in comparison, and of course will also rip your arms off if provoked. That is not a criticism of TPI by the way - the controllable linear TPI response from closed throttle is nice in the gnar, but I like the zappy and more pop corn popper two stroke like on it's toes carb response character for the simple reason that it is fun.
If I lived in an area where my riding did not involve such extreme elevation and temp ranges, the stock carb is great after modding with the JD kit. The stock carb is built well and the stock throttle cable is better than the semi crappy cable that comes with the Lectron.
I have the Mikuni. Did the mods. Plug is the ngk...7eis too. Have you checked out Slavens Mule Billetron Lectron for the 300xc yet. It the newer Lectron coming out now. My question is Billetron vs. Pwk stic Keihen. Please advise. Much appreciated. Thanks!
@@woodworm3615 Have seen the new Billetron. That looks cool, the best thing is the choke is on the left side where it belongs. I have no experience with it, but it looks like a nice carb.
I like the Lectrons for Colorado where I live, as they deal with the temp and elevation changes well. A dialed Keihin or Mikuni is a bit sharper though, I think. It is more of a trait than a big deal though, my 300 is plenty aggressive.
For most, I think they can do quite well with a jetted and corrected stock carb, no need for an expensive Lectron. This coming from a guy who has one - ;)
Nice review. Out here in CA we have a lot of elevation change too. The JD kit has worked well for me. Re jet for altitude is a 15 min job with practice. I will keep my $500-600.
Thanks for the honest review.
john van holt thanks man. I got to ride a buddies bike this weekend with the JD kit and the Jarvis mod done on his Mikuni. It was really good. He also had the RK Tek head. The carb is super smooth and the bike screams!
@@FunVenturesBTR to experiment, I pulled my JD kit and did the Jarvis mods. (Float bowl height and bend, drilled the float cap and prescribed jetting mods) To me, they were similar, but I went back to JD. The rest of my bike is stock however.
Those grey graphics on the 2019 xc 👌👌
Thanks! They’ve been my favorite 👍
Thanks for the info!
👍
I have to agree. I have my Mikuni running awesome with stock needles and a few tweaks (Jet Block Gasket, 5.75 slide, S1 Needle Jet). I have ridden my exact same bike (buddies bikes) with a SmartCarb and Lectron and the Mikuni out performs them hands down. In fact two of my buddies have dumped the Lectron and gone back to the Mikuni. My jetting works well from 4,000-10,000'. A little bit of gurgle at 10K' but not enough to be annoying.
Reno 1960 sounds like you’ve got it dialed man! The curiosity got to me so I wanted to try out the options. I’ve heard some really good information, from someone much smarter than me, on why a single circuit carb (Smart Carb / Lectron) can’t pull as well as a multi circuit carb ( Mikuni / Keihin) and it made very good sense to me. And also why those single circuit carbs still need adjustment and won’t ever truly be truly self adjusting. Hence why they still need to be adjusted. Thanks for sharing your experience and your mods. Glad you’re enjoying your setup! Have a good one! 👍
Just dumped my lectron the other day got a 38m keihin with jd jetting couldn’t be happier I was always playing with the lectron and could never get what I was looking for! Great if you like a mellow 300
Greetings from Austria 🙋♂️ very good video !!! 👍👍
Enduro Matixx greetings! and thank you!! 👋 thanks for saying hello! 😁👍
Servus! Alles in ordung beim un in Kalif....gellll!
Thanks for the information I have a 2021 gas gas mc125 when I run it then stop then I try to crank it it will flood but not all the time.
I have the old style of Smart Carb first dosing work ok for like a year but after that I have lots of problems starting in a cold weather I’m in California.
I just replaced for the stock Keihine 38 with the JD kit and it works Amazing I also have a beta 300 rr and installed the JD kit amazing ( I agree with you) thanks
Really good info.. great video! where did you get the plastics/graphics for the KTM?
matt tuell thanks! You can get the plastics and graphics kit from Split Designs. They’ve got some great stuff. You can also customize. Hope that helps. 👊🏼
Excellent video excellent review you are spot on I bought a 2019 tx300 with the Mikuni on it and I haven't done really anything to it other than run VP fuel vs pump gas I noticed a difference running the VP it's expensive but I'm going to stick with it as long as I can I am going to go with the JD kit as you recommended not that I really need to right now but eventually I will put it in I can't imagine how you must feel about spending all that money in the two carburetors over 1200 bucks and then realizing that you could have just stuck with the stock Mikuni and just fine-tuned it yourself as you said in the video still is a good carburetor but after putting the JD kit in realizing that that is the best out of the other two again thank you for your videos very nice bikes as well very clean
Rob W thanks man! Thank you also for the detailed information. If yours is doing well sounds like no need for change. I’d only do a JD kit if you’re riding with drastic changes in elevation. The Mikuni with the stock jets is pretty dang good without large changes in elevation. Really enjoying the 300. Thanks!
@@FunVenturesBTR absolutely digging on my 300 grew up riding them in till the 4 strokes took over but like everything else great comes back Around i will never go back to a 4 strokes he's counterbalance 2 Strokes are awesome and you got to love the smell of the two stroke💯😁
You have three different carbs. 3 different bikes...You spent the money! Lol. Are doing well.
Great review!!!!
Im going with the PKW Keihen 38mm no stic for now.
Thanks 👍
Hey Bryan great video. What settings are you running on your JD Jet Kit? I have the Keihin PW Air striker carb with the stic metering block installed and it runs pretty good. You are not supposed to touch the settings all that much on the Keihin but I noticed when I did some elevation changes that I had to fiddle with it a little to get it running right. But I noticed the Keihin has a little bit more power but when your doing technical trail riding having more power isn't all that great sometimes, just more wheel spin. I really liked the Mikuni with the JD jet kit as well, just a lot more smoother and less wheel spin, just my two cents. Keep up the good videos.
Just picked up a '19 TC250. Is it pretty much a given my carb will run crap or should I break it in/ride it in spring before buying jet Block and jet kit?
Patty McDude I don’t think it’s a given that it’ll run bad. Mine ran pretty well with the stock jetting specs when I was in a certain range of elevation. I started messing with mine because of the large elevation changes I often experience here in CO. I’d give it a try first. Hope that helps.
LOVE the graphics kit on the 34 bike. Matte finish?
Thanks! Yeah, Matte. I really like them! 👍
I paid 450 for my lectron h series, and I had a jd jetting kit and it was great but once again I had to jet with extreme elevation change and temp change so boo. Lectron for the win for me
you on a 38mm?
KTM's not so good with 38...it's better on Yamaha's though.
36 is the meal ticket for KTM/Husky.
Any reviws on the Mule Billetron Lectron? Have I on the pkw keihen with stic... thanks
Not yet. Hopefully in the future.
Not mentioned is the g.jarvis mods that can(should) be done to the mikuni. Thumper talk thread.
Breaking Bump City right there.
This Mountain Life man you’re not kidding. Good place to got get a workout in. lol.
FUNVENTURES with FRIENDS I’ve been there.... once, 😂 . Made we realize just how out of shape I was! I recognized the tx300 when I stumbled across this vid. I was down by the water when the girl you guys were with whiskey throttled over the log. Story of my life!
This Mountain Life oh wow small world. That my wife Meggie B. Thankfully she was good to go. Good times! 😄
Ho appena preso uno smarfcarb, per risolvere il problema che è sempre grassa non dirmi che ingrassa più del carburatore perché mi metto a piangere! Sicuramente rapporto prezzo/qualità non puó essere battuto, ma mi sembra che comunque svolgi percorsi a percorrenza molto più veloce dei miei probabilmente è per quello che non vedi così tanta differenza, spero almeno perché altrimenti ho buttato via un botto di soldi!
Hi you surprised me with 80$ for jd jetting kit its better of new carb lectron or smartcarb with cost most expensive 500 / 600$
what do you have on the bike now?
I love Hard Enduro Mikuni with JD jet kit is spot on!
@@FunVenturesBTR yea i just sold my piece of junk 2.0 smart like don't advertise its plug and play if you gotta fiddle with it 90% of the time I swapped it for a keihin short body with a JD kit!
I love Hard Enduro 100% agree! The Smart Carb is not all it’s cracked up to be. Lots of people experiencing this unfortunately. Especially for over $700. I bet your Keihin is really good! All the ones I’ve ridden are so good! Especially with a JD Jetting kit. Enjoy! 👍✊🏼
Straight out the gate I can hear the smart carb has more torque, the jd kit has more
Top, and the lectron has more
Mid.
Finally someone sees the advantage of learning how to jet your bike
😁 no doubt..sorcery to most
Save 60 bucks and just buy OEM jets in different sizes........
This video could have been 8 minutes long.
lol. You should make one. 🤣