First Mod Everyone Should Do After Buying A Chinese Pit/Dirt Bike To Improve Performance!
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- Опубліковано 23 вер 2024
- Video Title: First Mod Everyone Should Do After Buying A Chinese Pit/Dirt Bike To Improve Performance!
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Lean idle - adjust af screw
Bog at part throttle - raise the needle
Bog at wide open throttle - use larger main jet
Sputter at idle - adjust af screw or use smaller pilot jet
Sputter at part throttle - lower needle
Sputter at wide open throttle - use smaller main jet
ALWAYS ALWAYS ALWAYS check your tappet (valve) clearance before making any carb changes/mods/adjustments. These engines are notorious for leaking valves due to zero tappet clearance. The compression should easily hold the weight of your relaxed leg on the kick starter. If not, check valves.
These engines are very easy to tune and the stock carbs work just fine.
What do you mean with raise the needle?
@@floriskamp8107 Slide needle
correction, the carb is trash, mine blew after 3 days, everyone knows they suck
My son bought a tao tao 110. I know zero about this stuff. What do you mean by larger main jet? How do you replace that? His is idling well. 1st gear fine and then it bogs down. Not sure how helpful that is but any thoughts are appreciated
Totally agree with this comment, I have two Thumpstars a TSK V5 140cc with YX-R motor new from factory, with Molkt Carb and a TSK V5 125cc this one has a Mikuni Carb and purrs like a kitten (valves had been adjusted prior to buying). The 140cc has had rough idle since new and no matter how I adjusted the air fuel screw or pilot jet sizes the problem remained, checked Valve clearences and whaddya know, they were tight! too tight, so I adjusted them to spec and all is now running perfect!
It's not always the Carb people.
For anyone that's watching now, DON'T put the Slide and Valve Needle from a different Carb in New Carb. Also just advice when doing Carb work treat that Needle like it's made of glass, don't just toss your slide & needle on the dirty driveway or have it hanging off the end of the throttle cable banging around.
Take this man's advice, I did this with a jdm Honda 125 carb and forgot to replace the slide and needle and my bike almost crashed into a tree
@@emergencybackup5039so buys whole new needle and slide
yeah, tiny little dings in the metal on that needle will make a huge impact on how fuel flows. Also, like dude above, if your slide gets stuck open, you’re gonna have a bad day!
I noticed a couple things and that's one of them.
I had a small dirt cheap pitbike 70cc branded "samurai" once. These modern chinese pitbikes have developed lightyears in quality. However the problem with the samurai wasn't trash carbuetor, but it was the needle inside the carbuetor that was adjusted too tight. The needle has several positions you can adjust it and if you wan't to get power out of these dirt bikes just adjust the needle to longest travel position so that the throttle opens full. The problem wasn't the carbuetor. Samurai went from bogging to about 50 miles per hour. It was pretty enough speed for the 10" tyres. These carbuetors are exactly as good as any Mikuni. It just waste of money to invest those upgrade.
Yeah, but the original carb is machined and jetting it or anything is not possible. The mikunu carb is a much better carb.
If you adjust needle travel to middle (neutral) position. Screw airfuel ratio 1 and half open these chinese carbs will run absulutely perfect.
What? Chinese are notorious for small carbs. Even Taiwanese have small carbs.
Add to that the poor build quality, and you're losing a lot for a few dollars.
Replace the carb with a pwk.
Those chinese carbs are not super precise so eventhough the needle adjustment should only affect mid range, if the needle is not sized properly even at full throttle on the mid range lean needle groove, the tip of the needle could still be in the way of the passage at the top of the emulsion tube, restricting some fuel to fully flow. So positioning it for rich mixture at the lowest groove should be something to try.
Part of the learning process also is possibly up jetting the carburetor or down jetting sometimes you need a little bit richer mixture and also the air fuel mixture usually about one and a 1/2 to 2 turns out adjust it with the bike warm and find the sweet spot (where the idol comes up a little) Then back it off about a quarter turn open so you know you're not to lean....
How can I contact you please
Spring has nothing to do with gas flow and thus, has absolutely no effect on bogging/fuel starvation whatsoever! The spring simply effects how quick, or slow your throttle and slide respond, up n down inside the carb.
If its still bogging, you may need to play around with air/fuel mixture and/or jetting sizes.
My advice to you young man,, is to learn, before you attempt to teach! 👍
Amen brother, he obviously doesn't know how carburetors work. That carb just needed a jetting change.
I agree... He's working backwards saying stuff that makes zero sense.
I flinched every time he called the inlet manifold an 'L-pipe'...
I replaced my sons carburetor, now when he starts it, it automatically takes off on its own. Do you know why that might be?
@@andreasalazar8401 idle is way to high
I bought the exact same carb from this video for my Coolster M-125. I had the same issue with it bogging down like he had. I moved the retaining pin on the needle down so that 3 notched lines were visible on the top of the needle. It runs flawlessly and the torque difference is very noticeable verses the stock carb.
Yup mine bogs too. Exactly the same carb.
What if u did those things to the old carb all these carbs be the same man 😂
@@JohnWick-hx7bc 🤷🏻♂️I needed to overhaul my old carb anyway. Just cheaper to buy a new one man honestly
@@JohnWick-hx7bcno
@ExoticMoTioN that plastic gasket is to thermally isolate the carb from the heat of the engine, its so close that it would cause the fuel to vaporize in the float bowl more than without it. that foam air filter will filter better and flow better if you use proper foam filter oil or spray. you should also be swapping the Chinese spark plugs out for genuine NGK plugs. adjusting the valve lash after an hour or so of running.
What do you do with the old air filter? Do you detach the line it's hanging from and tape the line to the side of the bike, or is there a way to detach the whole line?
@@andrewrussell5307 just lead the line down to the bottom of the bike with nothing attached to it.
I've worked on my sons apollo 110 for five years and I will have to agree 100% with removing and replacing the carb. Thanks for the video!
Any idea why my pit bike gets hot quick? I’ve got a oil cooler and new carb and still gets hot pretty quick
@@connorjack3246 your heat fins could have dirt or mud between them or if 2 stroke you need to add more oil to your gas to oil mix.
@@hunterwinchester3923 4 stroke. Where are the heat fins?? I’ve took all the top end apart and the top of the piston and valves are blacked and caked in like soot stuff
@@hunterwinchester3923 I never really worked on a bike before, so I’m pretty blind to it. When I set the valves is 0.04 metric or imperial I’m confused
The two o rings on the manifold to carb aren’t supposed to be together that’s why you have rev hang when you release the throttle to idle. Air is getting past the carb and into the engine so it won’t run right at high rpms because your fuel air fuel mixture is now off no amount of tuning will fix this until you flip around that spacer simple issue but greatly effects the performance of the bike
My sons 70cc Apollo had the same exact thing when I took off the carb. Didnt notice till reassembly. I was like "Wait, wtf am I missing here?" Realized it was a china problem not me.
you have elbow to carb gasket backwards. two o-rings shouldnt be together.
He hasn’t a clue what he’s dping
Yeah you’re not supposed to put that one on it’s just a extra
It’s not back wards cause the heat sink is supposed to be attached to the carb
I mean the first hint is he doesnt know chinese knockoffs put name brand logos on their shit all the time.
hey so do i need to change the carb or no? cause i am gettin gmy first dirt bike and i dont know if to leave it as is or if to get some better parts? , idk id be very grateful for some guidance on how to make my dirt bike better . tahnks
Adjust the fuel air mixture screw it will quit bogging it's running to lean
Biggest bud ever you’re right but those junk carbs don’t have a mixture screw. Just idle.
mike bayes you can adjust the air/fuel on these carbs
Noxus you have to drill out a brass plug that covers the screw but yes it can be done. It’s just stupid that it’s plugged off.
mike bayes yeah I bought this carburetor and the thing I hate is that they put the air/fuel ratio on the bottom
@@mike5162 they do your stupid enough not to find em
The line that you took off is supposed to lead the fuel somewhere else when you fall over or crash, instead of it getting on the hot motor and may catch fire. Most bikes do not have these but they should.
There’s a chance it could catch fire but it’s a very low chance the petrol will evaporate 9 times out of 10 as its not exposed to a naked flame
Thank you....i have wondered for years about that thing.
@@officialsl1m309 yeah, but if for some reason there's a nick/crack in the boot of the spark plug cable. It could have a small arc grounding out and u not know it. Therefore making a recipe for disaster! It may be unlikely. But if it can happen, it's definitely reason for concern. Especially if the bikes rode by kids. Ijs
I know, I'm late to comment, but I was hoping someone had pointed this out in the comments
Just bought another pitbike myself and had a similar problem. It’s got a YX140, and I’m pretty sure the guy I bought it from had changed the carb at some point.
But from what I’ve learnt, if it’s bogging when you quickly open the throttle, it’s running rich and needs leaning off.
If the throttle is hanging when you let off, it’s running lean. But it could be down to a few things. The best thing to do is check for any air leaks around your manifold (spray a bit of carb cleaner or something around it, if the revs change, you’ve got a leak). Then make sure your throttle cable has no kinks and isn’t getting stuck somewhere. If all of that’s fine, try turning your air/fuel screw a 1/4 turn clockwise. It should be on the bottom of the carb. That’ll make you air/fuel mix richer.
Also, check the spark plug, that will give you a good indication of how it’s running.
In my case, I think the carb I had didn’t have the right jetting. So I bought a genuine Mikuni VM26 (665 Model) from ParkerRacing here in the UK. Works an absolute dream. Wasn’t expecting much of a difference really... But, fucking shit, it proved me wrong!
Anyway, nice video man, keep it up!👍🏻
Thanks. Hope you see this, with that being said would you honestly think this is a fun pit bike for someone whos used to riding things with 20x the power of the tao 125 ? Thinking about buying obe
Dude the Apollo Z40 140 cc come stock with a competition grade Nibbi carb on it. I know this because I have one. So if you or someone else changed it out , then y’all really have no clue what you’re doing or why you’re doing it... SMH
@@DylanO0505 Sorry I didn’t see your message, I hope you found what you was looking for!
@@carlosespinosa602 Shake your head? At what point did I say the pitbike I bought was an Apollo Z40? I said the engine was a YX140. Which is a common 140cc pitbike engine.
If the bike came with a Nibbi carb that had no major problems, obviously I wouldn’t remove it… But it didn’t. It came with a bad Chinese VM26 copy. Hence why I bought the genuine Mikuni VM26 tuned for that specific engine from Parker Racing. Maybe try comprehending a word of what I posted instead of talking shit.
the "L pipe" is called intake manifold i think
Tóth Botond technically it cant be a manifold as there is no merging of gasses into a main chamber. But it is the manifold of the bike.
There may be a brass cover over the pilot screw, drill that out carefully as not to hit the screw, open that up 2 1/2 out and you’ll be in the ballpark
Is there a picture for where exactly you talking about?
Do you know how to remove the governor on a kayo td 125?
@@mikep4811 there shouldn’t be one on that bike, maybe a throttle stop on the grip.
I love how many mechanics are in the comments after watching you replacing the carburetor.
Keep that clear fuel line, run it securely so that if you lay the bike over the gas will run out the bottom of frame
I was a motorcycle mechanic for some years. Had a jr 50 before a pedal bike. Rebuilt 50cc 2 strokes to 450 4 strokes and never paid attention to that
I bought my cousin a dirtbike for Christmas we switched out the carburetor change the oil as soon as we got it to Amsoil 10W-40 Synthetic Metric Motorcycle He absolutely loves it
Which carb did you go with
@@wolfserker3179 Got the carburetor off of Amazon
You should have mentioned to be very careful when putting the intake manifold back on, as not to thread the bolts into the cylinder head. Don't over tighten and use a torque wrench if possible. The alloy is very soft. I have made this mistake before.
Cast iron head will fix lol
Dude is clueless
how many Nm?
Wow why would you use torque tools on fine soft metals……common sense is never common
@@robertotorres7600 Because, torque tools will make so you don't overtorque? Sounds like common sense to me.
Put a light film of grease on the o ring for your carburetor heat spacer to help it stay in place better. The black plastic spacer is made of plastic to help keep the carburetor from heating up.
i said the same thing, he needs to sit down and get some more education in small engines.
@@Gladiusrides What would you recommend? I didn't have a small engine class in school so I'm learning this stuff via trial and error and it kinda sucks.
@@dcgregorya5434 watch the UA-cam channel Cars and Cameras. I'm nearly 16 and I watched then from about 10 to 14 every day. I stopped watching UA-cam a while but I watch them again now. They make great videos and actually show you how to do what they're doing. I recommend watching a mini bike engine swap or build video, because it involves carburetor and intake work. Good luck on your learning. I'm still learning a lot of everything lol
I was taught to use non-petroleum grease, so as to not degrade the seals.
The tube from the crankcase reuses emissions from the engine ... Better gas mileage basically. And the "L pipe" is called a manifold. 😉
More like it forces the engine to inhale oil contaminated regurgitated exhaust which blew by the rings... this will gum up the carb eventually. I always disconnect the puke tube and let it vent out under my bike.
That pink tube you removed is a drain just like the one on the bottom of the carb. The drain on the side helps to keep your carb from flooding the engine when you lay the bike down or flip it over, removing that tube wont hurt anything but its gonna dump gas all over your carb & engine if you lay it down/flip it over. The drain on the bottom makes sure the carburator bowl doesnt get overfilled while normal riding.
That hose on air cleaner acts as a pcv valve. Positive crank case ventilation. It clears out the crank case of the oil vapors, and it creates a vacuum that helps the rings on the piston stay against the cylinder wall
That's bullshit set up take off I did mine runs fine look it up all bad oil going in to your motor
getting the needle in the throttle slide adjusted to the best position along with jetting the carb for vest performance is a must. it takes alot of tries to get it perfect but its worth it.
The way he explains ‘’bogging’’ is like he’s trying to explain how it is to start in 2 gear still standing
I spent quite some time on my son's PZ 27 carb, for bogging at WOT cleaned the carb, no change, drilled out all the brass covers to access the adjustment screws and adjust it properly and... no change, checked the spark plug, all good, changed main jet from bigger to smaller, no change...Tried to adjust the float level and throttle needle adjustment and still no change... I think those carbs are built lean in order to pass modern emission tests on a 70's technology. I noticed a suction air sound at the main air jet when pulling the throttle, my next step, look into drilling the main air jet to feed more air to the emulsion tube. Will keep you posted.
Looks like someone doesn't know what he's doing
we are listening to a big child that knows nothing about engines
Stupid question but do u lnow what fuel i put in a 4t putbike in the uk???
My son has taken all the wiring loose on his bike and I don't know enough about it. It looks exactly like the bike this guy is working on.
@@theaveragepotato5358 87-93 The better the gas you put in the better it will run. No diesel, no two-stroke
must have seen the fuel filter direction
Dude! The small clear tube is to empty the float bowl of fuel when you back the fuel release screw out and the larger tube is to redirect fuel away from engine in case of tip-over
Puts needle in "Fits Perfectly" When you can hear the needle rocking back and fourth on the inside
😂
You actually heard those rubber lines hitting against the bike. The needle did not move. The only other sound made was the spring as he was tightening the throttle cable. It made the same sound when he was removing it.
That's the spring rotating homie.
Dude I'm 40 years your senior and I just got to tell you man you've done a great job on this video you say what you're doing and you show what you're doing great job dude
Dude, lemme just say I love your videos! Been watching for about 3 days now and I really enjoy your vids. Planning on purchasing an Apollo, and the fact that you that you included the carb in the description is awesome. Been looking for one and couldn’t find a carb that’s worth buying. Will definitely invest in the the carb you mentioned. Much love bro, keep it up! 💪🏼
I'd also buy after market exhausts the stock ones have teo catalytic converters which restricts power, u dont have to replace the stock carb you just need ajust the idle screw and re jet the carb also getting the head port and polished will give it more torque
Been doing alot of research on this bike the past few days. I think I'm going to buy one, I haven't seen any bad info about them other then the carb upgrade.
did you do it ? I bought a used ssr 125 and I love it
So he changed the carb from a knockoff to another knockoff? They prob came from the same place. He didn't even tune the carb for the engine. And how wil a different return spring in the carb help with bogging?
If there is still bogging issues down low or up high after adjusting the air mixture screw you can try changing the jets, and then lastly try adjusting the throttle needle up or down.
The vid is more for showing off her new ear rings and facial blush color. Maybe a trans issue?
Bro where did you get that type of air filter its exactly what I need , need to run my gas shut of vale air pipe into the filter to get the same effect as my air box
Maybe it's bogging again because you replaced it with the same piece of junk carburetor 🤔
Paul Le Brun nope not true try again
@@ExoticMoTioN my bad 😁, I don't know if the replacement carb is a real mikuni but maybe it is, it just need some adjustments 😀
Paul Le Brun
Why are you looking up Chinese Bikes Johnny Motocross !!!
@@ExoticMoTioN It's bogging because you need to adjust the mixture. turn it left for relief of bogging.
You are correct. All the stock carbs are junk on these bikes, but unless you're REALLY desperate DO NOT BUY a chinese made Mikuni knock off. It's not much better than the carb you replaced. You can always tell a knock off because a real 26mm Mikuni throttle slide and spring is almost TWICE that size. Just buy a real Mikuni. Better yet, if you really wanna make your bike come alive buy a NIBBI 26mm racing carb and throttle cable with a NIBBI 48mm racing filter. Also a new high performance CDI and spark plug. And 97 octane fuel. ALWAYS 97! People don't make fun of my Chinese pit bike any more. Lol. Btw, I have an Apollo RFZ DB x18 125cc.
Edit: You'll also need the intake adapter as the NIBBI carb won't bolt up otherwise...
Hey man your one of the few people on here that seem to know what they are talking about.I have the same bike as you I love it! I had bought a "MIKUNI" carb last fall to put on it because the stock carb couldn't be taken apart easy and was giving me problems overflowing and causing gas to dump onto the engine. I'd like to get the mikuni to work but am having problems with it not going back to idle when I let off the throttle. Not sure if its the manifold (since the bolt holes dont really line up but it sounds like you got around that with the Nibb. can you send me a link to the carb and that adapter you got. Also sorry to ramble on but did you have to do any jetting afterwards? I'm basically at sealevel.
im pretty sure that those are the same grade carbs just adjust the air mixture screw if you have a one or change to a bigger jet in the carb if possible.
Yeah, he installed the same thing lol
With these little chinese motors here, I've learned that of you put a 150cc scooter performance muffler on them, they sound awesome.
"Not a professional carborator" buys a knock off
Great spelling 😂
@@matts8045 ikr lol
Ikr
Intake manifold=pipe
Well the “knock off” is a real mikuni carb but it didn’t pass Honda standards so they rebuilt it but then it still can’t go to Honda so they sell it for cheaper via third party sellers, it’s actually a great way to save $100
My faith in a CP's advice goes from
8 or 9 to -9 upon seeing the affiliate link associated
with the sales pitch, it begins to take on the shape
of an infomercial, then there's the midroll ads
filtered in to complete the package.
I put a Nibbi race carb on my apollo the day I got it. Runs amazing starts first kick every time.
Cool those are like a 100 bucks... How is it working out lots of cool power? I just got my Communist China bike today. It's the only thing my white privilege job can afford.
@@wrighthausracing9641 the bike is still running like new, but you probably should have gave that money to black life's matter movement. Haha!
@@SineMacula hahaha!!!
We did the exact same thing, never ran worse than with the two NIbbi 26 and 24...( Would even barely turn back on) Rushed to put back the "crappy" carb and trying again to tune it better..More expensive is not always the best solution...
As best I can tell you replace the Chinese mikuni carburetor with a Chinese mikuni carburetor and I think they're the same size what did that accomplish seems like you could have just rejected what you had bogging is generally a fuel mixture issue and is resolved by jetting. I've always been taught lean pop Rich Bog think when the carburetor slide opens and then there's a hole there for the air to suck air into more readily if there's too much fuel it bogs for a second because it's hesitating while it goes the extra air it needs for that rich fuel mixture to burn
Keep up the good work bud, keep learning and above all have fun with the two wheeler. Haters gonna hate, keyboard cowboys. Buying a china bike is fine. Learn to turn wrenches and ride for less than a dime. Chinese 110 $600 new, honda 110 $2500 new or 1,700 used. Yeh the bikes are crap but they get you started. Japan has priced the entry level bike out of reach for the common kid unfortunately.
I learned my lesson. never buy a used Chinese Anything issues will haunt you 😭 I got my Chinese quad (110cc) to run great. now I'm selling.
@@tebibyte2357 My expectations for the china bike is get it cheap ride it for a year sell it cheap buy a good bike
@@Hello-uv3nz yes but if you want a Chinese big bike try to get an Apollo 250, they have lifan engines on them(Honda).
@@tebibyte2357 Ya I have considered getting them before. But for now I'm just going to install some good filters and a new carb on the Chinese 125 then once I get comfortable enough sell it and pick up a better bike when I feel confident. With the chinese bikes it doesn't feel nearly as bad when you crash.
@@Hello-uv3nz Get an Apollo 250 and you might not have to upgrade, 70mph top speed + great reliability.
As someone who has built around 10 different motorized bicycles engine kits never reuse the slide from a different carb it might look the exact same but it might be just a hair smaller which will cause it to be to lean and you will blow the engine up
"L" pipe is a manifold, also it is imperative to always use a gasket in manifold, carb. installations.
if you do the mods immediately, how can you tell if there's a difference?
Got a little Tao Tao ATV for the kids and I gotta say I really love how simple it is to get to everything and how simple the design is. I've seen far more expensive stuff that makes every minor bit of maintenance and repair a complete cluster in terms of being able to get to things.
Good luck mine broke really fast
I’m actually still repairing it
I say the same thing. These off brand bikes are way easier to work on than a Honda or Yamaha.
Raise the needle
Sure there fun to play around on but you could by a high quality most recommended a Honda for example they make indestructible 4 strokes and personally I swamped mine in 3 ft mud and cleaned the spark plug off and drained the carb and let the air filter dry and it fired right up
Yea for 4 times the price
I swamp my Chinese bikes and still running. Don’t thrash from the start and dump oils ASAP and I have never had trouble (touch wood lol)
Are you under the impression that the same steps won't work for these bikes? Is there a secret waterproof tech Honda has? LOL. JK, but really...
@@LazarusMastiffs I have a ttr and Tao pit bike and both haven’t ran after such abuse
Where do u plug in that pink tube you cut with the scissors.
Bog is when you twist the throttle and it starts to die because its flooding the engine. Your just hitting a flat spot it the power curve. When swapping carbs you can change the power curve. Also you installed the spacer backwards
After months of battle to fix that bog on the Evoque 150, issue RESOLVED!!!! Was never the carb in the first place... But simply the crappy original TORCH spark plug D8TC!!!! Replaced it with the NGK DE8A and that was it... On top of that after all the rejetting, we were back to the original carb jetting... 35 pilot and 110 main , needle standard in the middle. Can't believe that an original almost brand new Torch plug would be the culprit.. So for all of you struggling with those bogs, check your spark plug if you are running the original crappy Torch plug before doing anything else!
It's not, *"Tay-oh." It's one syllable. Tao rhymes with cow, or how, or now...
Who cares?
5:12 WHAT A MISTAKE! Keep that cap and use it everytime you powerwash your bike. You take the air filter off (clean it nicely, seperately) and stick that cap on the carb so you can wash the bike safely.
Does he know the extra hose he pulled out was the overflow?
Eden Schreiber it’s actually the crankcase vent
@@carterslitvolgs506 thats even worse lmao
I don't think he knows much of anything.
The tao tao comes with a 27mm carb, if u change that bike u put a 26mmcarb on it and down grade size, tune the pilot circuit and eliminate the bog..
I think you just don’t know how to tune a carb correctly
That line coming out of the side is probably the crankcase vacuum. The line that is connected to the top of your air filter is probably where that line goes on the new carb. You probably have a vacuum leak out of that side port.
Where can I get air filter with that connection
Man called a manifold a L pipe 😂
Put a proper foam filter on the bike with foam filter oil. UNI makes good ones. Focus on making the bike last rather than making it run better.
If I put the new air filter on where would I put the cable that comes out of the old air filter?
Also tune that carb there’s a lot of rev hang
Hate when that happens I got this new 22 mm carb for my 110 cc and couldn't figure out the issue lol. I was twisting the F/A mixture the wrong way. Runs perfect now
Tebibyte I can’t find my F/A mixture screw on my tao Tao 110cc can you tell me where it is?
Why would you decide not to install the needle that came with it? It is a different carb with its own needle. Nuf said
Not sure why this showed up in my feed but it was very painful to watch for the 60 seconds i gave it....smh
I'm with you, this just showed up in my feeds and holy crap this guy has no clue lol
So anyone following this for your pitbike... This is ok for the smaller cc engines. But does not suffice for a 250. If you have a 250 get your self a 30 mm carb. This one he links is way too small. Also if you want more power don't worry about a new carb. Just open up your fuel screw and delete the other emmisions crap like the egr valve. There's tutorials for that on here as well
Dont GAS when you kickstart a 4t.... You dosnt need to! It will start faster and better without gas!
I find it easier to give my 140 a bit gas when cold
First thing to do, is to keep the original carb and simply remove the cover plug from the air/fuel mixture screw and adjust it.
Maybe down size the jet?? You are the only comment that made sense.
That "L pipe," is called an intake manifold.
does it really matter what the real name is... People should give the guy a break..Those chinese carbs are extremely difficult near impossible to tune...
I swapped out the original carb on my 110 cc Tao Tao DB14 with one from Amazon that looked like it. The original did not have an idle adjust screw just an idle air that didn't work right. The new carb did have idle adjust and idle air adjust and that was the only difference. Bolted right up and fired up and worked perfectly out of the box with no adjustmets. So much better than that original cab and it was only $15. Like this guy I used the old air filter because it had the crankcase breather tube and fittings. Kako PZ19 carb.
You didn't need to adjust at all?
It's going to bog a little it's 4 stroke. Check the airfuel
He installed the spacer the opposite direction aswell. So this engine is going to overheat from lack of fuel and he will buy another one.
Only reason to get a new carb is for more power, stock carbs have good choke and throttle actuators which work well
that cable going to nowhere
needs to go to the L-piece
The needle on the slide, does fuel regulation and should be kept with the carb, and simple adjustment could fix the bog with either carb, or possibly a jet change, it will likely have a big when cold, it's just the nature of the beast. And the fuel, so the carb needs to be adjusted to compensate!!
I’d change the air filter with the stock one it’s feeding dirty air into the motor that’s a crank case vent line hooked up to it. And the line you removed from the carb is also a vent line I’d put it back on and just roughy it down with the bowl drain.
What do you do with the old air filter? Do you detach the old air filter and leave the cable hanging, or do you put that cable into where the red transparent cable was (the one he disconnected in the video)
Disconnected at 12:00
Shout out to you, saw this video, bought the car, bike runs great. Highly recommended
Just let your dirtbike warm up and it will stop bugging
Have you ridden a Chinese pitbike mate
He said he was gonna use the filter off of the old one because he said he didn’t know that the filter that CAME WITH the new carb would fit on the new carb. Honestly makes no sense why would they give you a filter that’s too big or too small for the carb, makes no sense
I cringed the whole time. I think this guy made these mistakes on purpose, I.. I ya there's no way.
Lol yeah
I hope nobody followed his steps
Righto expert
I know right I got mad at him
@@Jackndan still learning, what am I missing that he did wrong?
Agreed, loved working in my pitter, coolster 125 now I have a ktm 125 2 smoker, fun but way more maintenance!
Ktms are high or close tolerance
my coolster died after the first day
Brutal. Posted on youtube like you know what you're doing. Please quit before someone gets hurt!
I agree. I get it that hes a Joe-Shmoe the BackYard mechanic from UA-cam lol ..but You would think If someone is teaching something then they would have achieved mastery of the subject.. You definitely cant hide Inexperience, It shines through.. He should of planned a little better at least, he is literally working off the asphalt.
Im rooting for him though, this is all a learning experience for him. When hes older he will laugh and cringe at these videos 😆
I think you guys have mistaken this video as a tutorial.. When actually it’s just his experience,, mistakes and all.. but if you think he’s a master teacher you can go ahead and think that.. but really he’s not.. in fact since you all know so much, instead of acting all smug with your worldly motorcycle mechanic knowledge, laughing at him.. perhaps you could enlighten everyone w/ your knowledge and help the kid go in the right direction. I mean that’s if he even wants to make this a tutorial video, and not just a random video he decided to post.. or even post a video yourself, this way you can show everyone the correct way to install a carb,, while correcting al the mistakes this kid made.. or at least the ones he didn’t acknowledge and correct at the end of the video.. cause just talking shit w/ out any helpful advice doesn’t encourage anyone. And if you’re to lazy to post videos than I think you two should both grow the fuk up, and start acting like respectable people instead of immature haters.. but I’m bit here to tell anyone how to live., I’m jus giving actually helpful advice.. get it? I’m not just telling you how much you suck,, but offering advice on how to correct that shitty behavior.. otherwise I’m sure theres some grown ups like the whole Republican Party that you should go and offer your insightful opinions too.. haters Gotta stick together.. you’ll fit right in.. haha,,
The air filter crank case hose is an egr type system. You can just vent the crank case with a mini breather filter and use a normal intake pod filter.
The whole point of a performance cheap carburator is the smaller gas needle
Going from a 19mm to 26mm is a big jump..an what can happen is thr fuel can flood the spark ,making it bog...if you turn throttle normally its ok but cracking it fully open can make it bog..
Or just get a real bike off Craig’s list for a little bit more than the Chinese bikes.
real bike lol i get it tho the only chinese bike i had is schooter still have it tho gues what its broken i helped but hey
and i think getting real bike is better it will cost you less at the end of the day trust me for real alright here you bought chinese bike for 300$ cheap but i 1 years so many things broke and needed to be replaced uppgraded it costed you 869$ or you could buy used cheap real bike for 1000$ and ur good mybe new piston 130$ and ur up and running and you actualy have a real working bike for a little cheaper ... just dont buy chiinese bikes unleas its like brand new for a real cheap price that someone is selling it after buying it then mybeeeeeeeee
Why don’t you Boys get a real job and buy him a real Bike !!!
Layne Scott why you getting so butthurt dawg chill it was a joke
Spauzy what would u consider a good bike then ??
@@brant1437 ktm, honda, yamaha..all better than any chinese junk that you'll need to tighten bolts everytime before you ride
The bogging was from how you took the extra cables off the carb. They are on there to stop the extra air flow to a minimum.
You spend a day changing a carb 😂
Did anyone laugh at you when you were a "noob" if not enlighten me on how cool you were buddy? We all want to hear it!!
He was also making a video dickhead
@@bradyfeenan6304 kids bro kids.. gotta love them
@@Hogib35 😂
@@bradyfeenan6304 they're l over the place. Man when I was 17 I was like this too. Sucks but they're all over the place. It's simple you have nothing nice to say don't say.
Good video thanks! I got my son a tou tou 125cc atv. Pretty sweet looking atv. I grew up riding yamaha yz250s and cr250fs. I swapped his carb out with not the one you recommended and its doggy. Like boggy. I adjusted the air fuel to dial it in. Just still something is going on. Like a clogged jet maybe.I know the engine has more to it. Thanks for posting. I kinda now want to scoop up one of these dirtbikes to put it through its paces and see if its any good. Back 10 years ago these things would crumble away. Parts fell off fast and they became un usable. Now it seems they have a good product for the $
With all the Chinese bikes you have bought you could have bought one good bike that doesn’t need any mods
I always jump to the comments as it sums up the video and gets straight to the point, thanks folks for telling me something I already knew 😅👍
This poor guy doesn’t have a clue what he is doing
What website did you get your earring from
I couldn't stop watching. Why am I addicted to cringe ugggggggg
JfC bring back bullying
Your fuel line to the new carb has a dip and rise right before the barb in the carb it makes it harder for the carb to get fuel I had the same issue on one of my bikes just cut some line so it slopes down to the carb
What a silly video. Done everything wrong. How can he know the sleeve needle would fit in the main jet 😂
It might just be a similar carburetor with different jetting. What I mean is there might be nothing wrong with the original carburetor, it just might not have been jetted properly.
You should never give it throttle to start becuase it isn't a 2 stroke, meaning let it start without giving throttle so your not reving it with no oil flow but with a 2 stroke u kinda have to because the oil is in the gas, no hate but it might make your bike last longer!
That line attached to the air filter looks like the crankcase breather hose. For emissions they make the fumes from the crankcase go back through the carb and burn up.
This dude got makeup
Everisto Lehi what’s your point
Everything is probly undertorqed and looking like this guy id only trust him more to fix my kids teddy bear
If bogging top end then it’s too lean. Adjust the needle first. Doesn’t work, then you’ll need to go up a jet until it works. If it never works, that 26mm might be too big or it’s junk.