YOU DON'T NEED A LECTRON | How to Fix the MIKUNI TMX Carb for $25!!!

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Don't spend hundreds on a Lectron carb!!! I will show you how to get your Mikuni TMX carb working amazing for only $25!!! My 2003 CR250 has never ran or sounded so crispy. Throttle response improved, starting was easier, it idled better, power was smoother throughput the powerband, and the engine felt a little stronger too.
Here's what you need:
- Genuine Mikuni OEM TMX Flat Slide 633 Series Size S7 Needle Jet 784-13005-S7
- Needle 16204-KSK-672
Recently, everyone has been sucking Lectron's nuts, I'm sure they are great but for $400+?? Don't give up on the Mikuni or look for a PWK just get these two parts and wake your bike up!
Big thanks again to 250race for the recommendation. And thanks to everyone for all the support it looks like we will hit 10K soon!
If you have any questions drop them down below! See you in the next one.
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Опубликовано:

6 сен 2024

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Комментарии : 100

@50STUNT 5 лет назад

I just bought an electron for my 2005 cr250 and it works good. I tried all the jetting, changing needles and different kits with the stock carb and its a pain in the butt. electron is so simple and fast to adjust, its worth the $$. Now I can spend the 2 hours a week I have available to ride, actually riding instead of unscrewing my bowl, draining gas and messing with jets and needles and clips instead of ripping the 2 stroke. one thing I learned is when the bike starts easy like in your video, low end is too lean.

@FULLTHROTTLEFILMZ 5 лет назад

Ryan Moore yeh it was a little lean but now that I changed the clip position down to the second, it runs so good. Yeh I totally see your point, the lectron definitely allows you to just ride without having to make changes but I was trying to show ppl for just a little bit of money you can get your bike running really well!

@50STUNT 5 лет назад

@@FULLTHROTTLEFILMZ No doubt, good info. Your bike is sick ! Here is my 2007 cr250 supermot stunt bike. I have a 2005 for motocross now ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-RC0A078skhM.html

@nicolacolombara7588 5 лет назад

The idle going up when you pull the clutch means it is running lean. That could be caused by a small idle jet or by the needle. The first clip on a needle is usually extreme, I would try the clips in the middle first and see how it works. To check the main jet you need to give it full gas while the revs are low in a high gear and see if the revs increase regularly without bogging. Try to start with a higher jet, where you can clearly notice the bike struggling to rev up, then work your way down until it revs fine. It's safer to keep it a bit rich if you run it on the streets, expecially the needle and idle, since you aren't always flat out as you would be on the track.

@FULLTHROTTLEFILMZ 5 лет назад

Nicola Colombara thank you sooo much that was very good info for me! I’m currently changing the clip on the needle down one and putting my 420 main back in as well should richen the bike up a bit more and fix this. It is definitely a bit too lean right now after hearing some ppls opinions.

@complexoCI 5 лет назад

@@FULLTHROTTLEFILMZ is recommended to make one change per time , for realease what difference each move make

@dirtfreek 3 года назад

Just picked up a sweet 2003 CR250. I've been off 2 strokes for only 2 years, rode them my whole life. Currently my bike runs like shat and I am waiting for some free time to play with the jetting. This video is super helpful as I still have the stock carb and it just needs some TLC.

@FULLTHROTTLEFILMZ 3 года назад

dirtfreek1 that’s awesome the cr250 is such a great bike! These changes I made to this carb were cheap and made it run really really good. I have a lectron now but this Mikuni tuned can be super crisp. Glad the video could help!

@jasonwilliams3302 5 лет назад

I put a "JD jetting kit" in my old 2003 cr250 and it make the bike super crisp, NO BOGGING, and extremely responsive. It's all in the needles!! Their kit is $85 dollars but well worth it, kit comes with different jets as well.

@FULLTHROTTLEFILMZ 5 лет назад

Ok the clutch rev thing could be a few things: 1. Idle is too high 2. Air leak (super unlikely engine has new seals, I will check the carb boots again) 3. Maybe too lean (I think it’s ok) So I will comment back later if I fix it! ***FURTHER UPDATE The bike WAS running lean. I moved the clip from the first to second position and now the bike does not rev surge when I pull in the clutch as it gets hot. Now I pull in the clutch and revs drop down to a smooth idle. Bike is running cooler and feels great now. I also turned the throttle stop screw in which dropped my idle a bit and left the airscrew 1 1/4 turns out. I will pull the plug tomorrow after a longer ride to show it’s running better! Huge thanks to all you guys 🙏🏼

@dirtredemption7608 5 лет назад

FULL THROTTLE FILMZ hey I just put tire marker on my dirt bike and it looks amazing you should try it I posted it on my Instagram if you wanna check it out dirt_Redemption

@TrevorJones418 5 лет назад

I was just going to suggest that because the new needle is much longer its going to cause a lean condition when your not pulling fuel from the main

@FULLTHROTTLEFILMZ 5 лет назад

TrevorJones418 yeh that did the trick! No more rev surge and plug looks a little more wet bike runs amazingggggg now

@vankuikendavid8453 3 года назад

Are you running the mx bonz airbox support rings ? These year cr's suck dirt where the carb boot mounts to the airbox

@SL4US 3 года назад

I know its been like a year but the reeds could be bad. I went through the exact thing chasing down the problem checking for air leaks and rejetting multiple times. The reeds a just a sliver of a gap that caused a really bad hanging idle

@kevincasimiro1684 5 лет назад

Thanks brother all the issues you've had are all exactly what I am having even the high idle when off clutch and I'm really glad you got it figured out, thanks also to 250race who helped us out, definitely gonna try this on my 02 cr250

@mxrider2strokebraaap54 5 лет назад

Awesome vid! 😎👌Cameron made a really good video with the cr about how to read a spark plug I believe, maybe it helps out

@FULLTHROTTLEFILMZ 5 лет назад

Mxrider2stroke Braaap thanks a lot bro! Yeh I saw that awhile back I will go watch it again I’m sure he explains it great!

@marjamix 5 лет назад

Never look sparkplug to look if its Lean or rich

@hiddeland8244 5 лет назад

Mxrider2stroke Braaap ik zie jou wel best vaak onder zulke vids...

@250race 5 лет назад

You don't have a air leak the hi rev is from your bike not getting enough fuel. A fast fix put the clip on 2 and see. If it still has a little high rev put it on 3. This will take the high rev out of it when you get off the gas. put your 410, 420 back in it dose need more fuel. Clip on top and you are good to go That sucks you can't roll your carb around to change your jets

@FULLTHROTTLEFILMZ 5 лет назад

250race okay you know what i will throw the 420 I have back in, clip on the second position and also turn the air screw in because the engine surges off the idle when I pull the clutch in.

@250race 5 лет назад

You also I see in the video your idle screw is screwed in almost all the way in , Break the nut loose and mess with the idle

@brussell639 4 года назад

It's been a little while since I've seen a two stroke up close. I haven't owned one in probably 20 years, and it's been almost that long since the last time I worked on one. It's crazy how much less complicated the engine is, lol. Especially the head.

@FULLTHROTTLEFILMZ 4 года назад

brussell639 sounds like it’s time for you to get another one! They are the best to work on. And still more fun than any 4stroke

@dkwatters8476 5 лет назад

Weird rev clutch thing means the idle is too high my cr did that too

@FULLTHROTTLEFILMZ 5 лет назад

Ok sweet I will adjust the idle down a bit see if that does the trick! Thanks a lot man.

@aitortilla7250 5 лет назад

Does this mod work on a 2000 cr 125?

@dirtredemption7608 5 лет назад

Thanks for another great vid

@complexoCI 5 лет назад

to check the color of the plug you must turn off the engine and press the clutch while riding after 2,3 kms in high speed,gear , and then check the color . and better not use iridiun to it

@vladko117 3 года назад

nice bike. what a sparkplug u put? i bboth cr250r 2006 and its need a good revision step by step. before carb adjusment and settings start from air leek test? what u think/?

@dwdboardz1030 3 года назад

carb. She ran last year, But it would spit oil out of the silencer pretty bad. Now this year, I’m fouling plugs and can’t keep it going for more than a few min with a new spark plug in it. Do you think this is my issue ??

@jacobbrooks8546 5 лет назад

Real nice brother that’s a hell of a bike

@FULLTHROTTLEFILMZ 5 лет назад

Jacob Brooks thanks my dude! See you back in va two more weeks!

@lrnspprs 5 лет назад

Hey, I love the bike! But you can try to get a bit of a bigger main jet. It looks like its a tad bit lean to me but what do i know :)

@FULLTHROTTLEFILMZ 5 лет назад

Laurens Piepers thanks a lot! Yeh I think I will put it in today it’s slightly lean I agree

@l3ADK4RMA 2 года назад

How many hours can you get on a new top end.

@FULLTHROTTLEFILMZ 2 года назад

depends how hard you ride and what bike. for this CR250 and how I ride, every 75 hrs is good to change the piston

@UrielCastillo22 5 лет назад

Gracias por tus videos full saludos desde campeche. Estimado ✌️

@FULLTHROTTLEFILMZ 5 лет назад

Dhav motard de nada! Saludos desde Monterrey

@madalinpana4109 3 года назад

Hei! Can you help me please?! I got a cr 250 2stroke from 2006 , and i need a street wheel, where can i found it?

@FULLTHROTTLEFILMZ 3 года назад

Toxicmotoracing.com will get you set up!

@matthew24997 4 года назад

I know that this video is a little old now, but can you please send me a link of where to pick up your main and idle jets?

@FULLTHROTTLEFILMZ 4 года назад

You can buy any size jets for the cr250 from the oem honda parts on Rocky Mountain Atv rockymountainatvmc.com

@teemill450 4 года назад

Coco color is what you want mon

@karamellkocken 5 лет назад

too lean fuel mix test to go upp to 410 in main jet and drop the needle to the middle.

@FULLTHROTTLEFILMZ 5 лет назад

Karamellkocken all I had to do was drop the needle clip one position and now it’s perfect 👌🏻

@karamellkocken 5 лет назад

@@FULLTHROTTLEFILMZ nice, small adjustments make big diffrents 😃 realy good videos man!!

@FULLTHROTTLEFILMZ 5 лет назад

Karamellkocken thanks i appreciate it!

@tiagomiguel2749 5 лет назад

The gray color is god its ok

@eireannleiva1218 4 года назад

Is this compatible for Cr125 2002? they have the same Mikuni carburetor...

@FULLTHROTTLEFILMZ 4 года назад

Eireann Leiva these parts will not be the same for your cr125 carb but you can use these jetting ideas to make that carb work better

@eireannleiva1218 4 года назад

@@FULLTHROTTLEFILMZ Thank you very much, I will continue looking for ideas for the carb of this cr125. 👍🏻

@Alex-eq7ih 5 лет назад

I seen in one of your videos that you have the tusk radiator cap with temp gauge but said it wasn’t working great. I happened to put the same cap on my build and as a result it pours coulant out from the over flow line. Is something you have experienced? Thanks

@Alex-eq7ih 5 лет назад

Coolant lol

@FULLTHROTTLEFILMZ 5 лет назад

My cap with temp gauge wouldn’t even stay on and ended up losing a bunch of coolant out the top, also the temp display was off after a few rides. So I put the oem back on and no problems anymore

@Alex-eq7ih 5 лет назад

FULL THROTTLE FILMZ thanks, I got a feeling I’ll be in the same boat. Seems like a janky piece to start with.

@FULLTHROTTLEFILMZ 5 лет назад

Alex yeh I was disappointed, I love most tusk products but this one I would not recommend to anyone.

@c52ned 5 лет назад

The neddle clip cant be right thats alot .should try that probably will fix the surge in idle

@FULLTHROTTLEFILMZ 5 лет назад

cs tuned ready to race yeh exactly, I moved the clip down to the second position and now it doesn’t idle surge and running perfect!

@c52ned 5 лет назад

FULL THROTTLE FILMZ nice . Should still check the ignition timming

@FULLTHROTTLEFILMZ 5 лет назад

cs tuned ready to race I have no idea how to do that haha

@c52ned 5 лет назад

FULL THROTTLE FILMZ i cant help you i never had one of thoes só i never researched what the specs ar . I dont know if is because its a vídeo but sounds a bit off when you do a pull

@DR-br5gb 4 года назад

Lol maybe you do need a Lectron.

@lilianatorres8170 5 лет назад

Hey are you mexican already??? 🇲🇽 or still a gringo?

@MrKnnthc93 5 лет назад

Probably most like a gringo still haha

@FULLTHROTTLEFILMZ 5 лет назад

I'm like 60% gringo 40% mexican lol working my way to 50/50

@UrielCastillo22 5 лет назад

Creo estarian mas xhidos sus videos en español jaja

@jeck850 5 лет назад

@@UrielCastillo22 ja ja la neta que si

@theravedaddy 4 года назад

9 months later: yup, you're running too lean with that plug colour..... oh? You melted a piston already? Ok!

@FULLTHROTTLEFILMZ 4 года назад

the ravedaddy 30+ hrs on the piston and its going another 30 before i change it. Shows how much you know right! 👍🏼 have a good one bud

@jamescuthrell8841 5 лет назад

FrFr your bike is sexy as fuck! plug looks great!

5 лет назад

You are still motorbraking, but you will learn it in some months/1year. You should meaby get better tires at some point to get better grip and prevent a crash. I have heard that bigger idlejet helps you not blow up your motor so easily, but you should not motorbrake even then. And lastly that bike is the sexiest honda i have ever seen 👍

@FULLTHROTTLEFILMZ 5 лет назад

persettäkatuun i am trying so hard not to!!! I pull the clutch in every time I let off the gas. These Pirelli diablo rossa tires aren’t good? Thank you 🙏🏼 I really appreciate that! It definitely is to me!

@ianjohnson5365 5 лет назад

So for that idle thing, spray wd40 around the carb boots and see if the idle changes, if it's not that than maybe the flywheel side crank seal is leaking, but it's weird that it's only when the clutch is pulled on

@FULLTHROTTLEFILMZ 5 лет назад

Ian Johnson yeh it was just happening when I engaged the clutch and only when the bike got hot..

@250race 5 лет назад

@@FULLTHROTTLEFILMZ Did you use stock Honda OEM seals when you put the motor together?

@FULLTHROTTLEFILMZ 5 лет назад

250race it has tusk seals but I know it isn’t an air leak because this started happened after the rejet so it must be a slightly lean air screw and main jet

@c52ned 5 лет назад

I think your timming isnt the best setting

@benny85361983 5 лет назад

Sounds like its leaning out

@kolbybrown8462 5 лет назад

Looking rich plug is really dark

@FULLTHROTTLEFILMZ 5 лет назад

Kolby Brown that was the old plug, it was actually running a bit lean

@adrienbarros2619 5 лет назад

You're too lean, leaner the bike is, better it runs but in your case you're way too lean. Continue jetting the carb and to see the coloration after each ride you can clean your plug with sand paper and brake cleaner.

@FULLTHROTTLEFILMZ 5 лет назад

Adrien Barros no doubt I changed the clip on the needle to the second position and now the bike is running better, no rev surges when I pull in the clutch. I will take a vid of the plug and show it in the next video but I think it’s all good now! Thanks man

@neggo4290 5 лет назад

Are you Italian?

@FULLTHROTTLEFILMZ 5 лет назад

Neggo American

@lilianatorres8170 5 лет назад

Neggo he’s Mexican ! 🗣 😂

@supacat1298 5 лет назад

Way to lean for a motard conversation that why u are getting that static idle off the throttle

@FULLTHROTTLEFILMZ 5 лет назад

Christopher Phillips yeh it was lean but I moved the clip down one position and it’s perfect now

@supacat1298 5 лет назад

Thats to lean bro

@teemill450 4 года назад

Too lean

@JensEskildsen 5 лет назад

Dude,you made this sound like a guide to fix a carb, but in the end you adjusted the bike too lean, and need help to read a plug? What the f. Yhe problem most people have with the stock carbs is when they wear out, both the slide, where it rides in the carb, and also the needle. Poeple usually fix some of the issues, but arent able to fix them all, and get frustrated after tearing the carb down over and over.

@FULLTHROTTLEFILMZ 5 лет назад

Jens Eskildsen it was one clip position too lean. That day it was colder. Overall the bike improved dramatically and after I moved the clip it ran as strong as a lectron carb does. Mikuni tuned right makes the same power as a lectern setup. Also, chill guy, I’m learning this stuff too never claim to be a pro mechanic.