Dirt Bike Leaking Gas or Won't Start With New Carb?
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- เผยแพร่เมื่อ 25 ธ.ค. 2022
- 3 Free and simple ways to prevent a major failure that could leave you and your bike stranded - motocrosshideout.com/prevent/
Is your dirt bike or pit bike not starting or leaking gas out of the carb overflow or air filter? In this episode of the "comment of the week", we answer this question from ChocoPlayz.
In this video, you'll learn what the 2 most common causes are, why it happens, and how to fix a leaking carburetor when it's brand new on your dirt bike or pit bike.
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my brand new vm22 26m clone carb from amazon leaks gas out if the bowl drain and air filter i tried tightening the bowl as much as i can and it still leaks
@@jarodwagner same bruh this is pissing me off I put in all this work and it’s still not working I’m returning the carb
Did you try adjusting the float level?
my 2017 pit bike won’t stop leaking gas_ I can’t find any TH-cam videos the match my carburetor …… how can I fix my stuck carburetor
Most carbs work the same. Did you already check the float level and needle & seat?
Hello this is the description on the bike bike I’m looking at getting. “2004 ttr 125
Does run at the moment but carb needs either rejected or tuned it floods its self out after riding for a few minutes” what do you think the problem is?
Probably needs a good cleaning and possibly the float needle replaced.
I have a tbr7 that I put the nippi 28mm carb on to fix the bogging problem. Both bike and carb are brand new after installing carb bike won’t start no matter how I adjust air screw
Unfortunately that's the risk with buying an aftermarket carb. Did you try starting fluid in the engine or carb to see if it actually starts with that new carb?
@@MotocrossHideoutmine is the same way. It starts for a second with starter fluid and i can sometimes keep it alive by using the throttle but that is it. I have torn apart the carb cleaned it, inspected it. Idk any idea ?
I have a 125 ssr it runs good just replaced carb but the comes out like crazy but when I switch the valve to off it stop
Sounds like the problem I talked about in this vid.
I have a 2006 Suzuki 125L drz dirt bike it leaks gas’s from the tubs like if I where to drain the gas’s out of those tubs yeah it leaks gas’s from there what’s wrong with it?
I had my 1985 Honda 350r XL enduro restored cost around $2500. Rode it today for about half an hour. Went to get on it and ride right now, and it wont start and theres fluid coming out of a hole every time I kick. Just got it out of the shop. However, I may have not closed off the fuel when I wasnt riding it. Could have been some days. Any idea? This is my first bike too. Great condition.
Hard to say over text. Did you already check the carb?
@MotocrossHideout Hey man thanks for the reply. Turns out I'm just a pussy, lol. Just need to kick it right with dedication.
My motorcycle gas is leaking underneath and idk what it is since it smells like gas, and also I can start it and after a kilometer it will slowly die. After resting it tho, it will continue to run and it will slowly die again. Can you help me?
What if my new Amazon carb float level is good but it’s still leaking through the filter seems like it just stays down when the float bowl is full causing the carb to leak
How did you check the float height?
Here's my article on it: motocrosshideout.com/how-to-adjust-float-height/
Dirt bike sat all winter long just tried starting it but won’t start and the overflow is leaking
I have a CRF that’s leaking. It leaks through the over flow. The shop told me that’s normal for that particular carb. You ever heard of this ?
Depends on the situation when it leaks out.
@@MotocrossHideout when the fuel is left on. Even for a few min It will start dumping out of the overflow. I have a few carb bikes and none of them do that. I can leave them for a years full of fuel,Petcock on. No issues with over flow. Not that I do that for years. Just saying.
Gotcha, yeah that's not normal. Like I mentioned in this video, it's likely the float set too high or the float needle and seat aren't properly sealing, allowing fuel to leak by.
“That’s normal” translates to: “I don’t want to mess with it.”
I have a 1996 suzuki jr50 and it was sitting for a few years, I just put a ton of parts on it and got it running decent, but I got a new carb for it and no matter what I do, it won't stop flooding and dumping gas everywhere. Can you help?
Hey Blaine, sorry to hear about your JR50 flooding. Did you already try what I showed in this video?
My same problem with a 1987 jr50
I gave my 110 a topend rebuild put a new carb on mikuni knock off and it wont start not sure if the valves need adjusting tried to kick it and it bangs now and then thats it any advice
Hard to say, but the popping could be from incorrect cam timing or jetting that's too far off. I'd double check the cam timing - if it's off too far then you could bend/break a valve and have to rebuild it again...
Does this work on quads? Because my quad is leaking fuel after we replaced the carb
Yep, I'd give it a try if you think it might be the cause.
I need to know how to connect a gas line to the motor
Hey Jeremiah, the gas line should go from the outlet of the gas tank to the inlet of the carburetor. Do you know how to find and hook them up?
My go kart turned on and everything was fine but the throttle would bogg out when i accelerated so i started adjusting the two screws but now i cant get it on, is there something you can recommend me so that i can get it to start and then tune it.
I made the mistake of tuning it when the go kart was off so i know thats where i messed up
If the engine wasn't fully warmed up, that would cause it to bog. I would change everything back to what it was first.
hello my dit bike hes a 85 sx ktm 2t 2019 and i have a crashe in the river so we clear the moteur and carb and its all set its not leaking but it wont start
Make sure you got all of the water out of the engine/exhaust/intake/carb/air filter. You might have to flush it out.
Then make sure you're geting spark, fuel, and air and the engine still has proper compression.
Let us know how it goes.
can a cracked carb by the motor inlet or header to engine not make it start anymore
The aluminum body of the carb is actually cracked? Yeah that could definitely cause it. How did that happen?
@@MotocrossHideout I'm not sure how it cracked but it did crack on the side from the motor Inlet I ordered a new car but I just put it in and I'm still having issues to get it going for some reason now I'm just putting battery to charge fully and then giving it a go and see what happens
Could bad valves cause this on a four stroke?
Valves won't cause gas leak, but it could cause it not to start if they're worn/not adjusted correctly.
I was riding my bike and next thing Ik gas start coming out of my carburetor gas line and there was another leak coming from this black gas line in the back of the dirt bike by the battery I replaced both lines and now it won’t start back up
The gas line from the fuel tank? If so, that needs to be replaced before riding again.
If it's one of the carburetor overflow lines, that usually happens because the bike was tipped over or the float needle is stuck. You can try blowing a few quick shots of compressed air in the overflow line to see if that fixes the leak.
@@MotocrossHideout thanks will try
So what happens my bike will start the in a couple turn off
Hard to say over text and without more info/history.
I’ve got an 2017 atomik 150 and it won’t start and it’s leaking fuel
Has it always done this? Did you try what I recommended in the video?
I just got a Chinese carb cheap for my 250 timberwolf it's very hard to start and when I get it started it runs for 3 min them shuts off and won't start again
Why did you get a Chinese carb for it? Does it run better or worse with the choke on?
What kind of carb should I get
OEM is typically best for reliability and ease of adjustment.
I found out it the cdi
I took it to a shop and found out that it has a bad cdi
We need illustration. If we knew what does it mean these things we wouldn't search on youtube😂
Thanks for your feedback - I appreciate it. Which part should I have illustrated in this video?
Hi my bike gas keep flowing when I try to crank it any help plz....
Did you already check the carb float height and needle valve that could be sticking?
@@MotocrossHideout I didn't open the carburator because I don't have any experience....
@@MotocrossHideout by the wey it's a cr250 2001....
@@MotocrossHideout I forget to mention that I shutdown for gas so mostly like it could be the float....
@@MotocrossHideout replace a new #8 plug and service the float still nothing
I’ve got a KLX125, recently replaced the carb since the old one was leaking from just about every seal on it.
Got it on, ran fine no leaks or anything zero issues. Let it sit about a week (drained bowl before parking it). Went to start it today, and the second I turn on the fuel the overflow just POURS out gas, like a solid stream.
Float stuck? Something wrong with one of the jets?
The needle and seat might be dirty/sticking. It might be fine if you just ride it around for a few minutes. If it's a cheap knock-off carb, they're known to have more issues because the jets/circuits/seals aren't as high quality as OEM.
@@MotocrossHideout I’ll stop you right there, cause it basically is a knockoff. Bought it off Amazon for basically 1/3 the price of a brand new OEM one.
Only reason being, I trail ride my ATV more often. All my friends have bikes though, so I bought a beater just to put around on here or there. I didn’t feel the need to spend more $ on the OEM replacement.
@@MotocrossHideout and I’m thinking the floats sticking. When I swapped the carb, I also cleaned the tank and changed out the fuel petcock/filters + put in fresh gas. It ran fine for that day, no issue. Then I stored it (after DRAINING Carb w drain screw, didn’t let it run out of gas). My best guess is it got gunked up from sitting for 2 weeks without gas in there, because I tapped the side with a screwdriver and it started to leak a little less than before. Still a decent trickle, but not a Steady FLOW anymore.
I’ll probs pull it off later today when I’m off work in a few hours and check it out. Hopefully I’m lucky and I can just pull off the bowl and blast the float + seat with carb cleaner since it’s all brand new, and only sat 2 weeks.
Yeah, those cheap carbs are tempting because they can work, but can also cause a lot of frustration.
@@MotocrossHideout I got it pulled apart and honestly, nothing looks out of the ordinary. My best guess is the float height was set too high from factory, im gonna lower the float height slightly and see if that’ll fix the issue. Hopefully, not allowing as much gas in there prevents it from leaking
I need your help
What kind of help?
@@MotocrossHideout bike won’t start and gas is coming out the air filter
@@ykmyname8308did you get it fixed I have this problem with 2 bikes
Did you check the float height?
@@BikeLyfeCeas yuh it was flooded and the motor was broken a little had to replace