Carburetor Float Level Adjustment
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- Опубліковано 6 вер 2024
- Chinese Scooter Service Manual amzn.to/2LBfWb8
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The carburetor float level adjustment is a procedure used to ensure that the fuel level inside the carburetor's float bowl is set correctly. This adjustment is important because it affects the fuel-air mixture ratio and, consequently, the engine's performance.
Here's a general guide on how to adjust the float level in a carburetor:
Safety first: Make sure the engine is off and cool before you begin working on the carburetor. Also, it's a good idea to wear protective gloves and goggles.
Locate the carburetor: Depending on the type of engine and carburetor, it may be situated on the top or side of the engine. Consult the engine or vehicle manual if you're unsure about its location.
Remove the carburetor bowl: On the bottom of the carburetor, you'll find a bowl held in place by screws. Carefully remove these screws and take off the bowl. Be cautious as some fuel may spill out.
Inspect the float and needle valve: Inside the carburetor bowl, you'll see a float attached to a hinge and a needle valve that the float controls. Ensure that the float moves freely and that the needle valve is clean and undamaged.
Determine the correct float level: The float level is usually specified by the manufacturer. It can be measured from the mating surface of the carburetor body to the highest point of the float when the carburetor is inverted. Refer to the carburetor's service manual or the manufacturer's documentation to find the specific measurement for your carburetor.
Adjust the float level: To adjust the float level, you may need to bend the tab on the float assembly. Gently bend the tab until the float height matches the specified measurement. Make small adjustments at a time and recheck the measurement until it is correct.
Reassemble the carburetor: Once the float level is properly adjusted, carefully place the bowl back onto the carburetor body and secure it with the screws. Ensure that all the connections are tight and sealed properly.
Test the engine: Start the engine and let it warm up. Observe the engine's performance, including its idle speed, acceleration, and overall operation. If necessary, further adjustments may be required.
It's important to note that the above steps are a general guideline, and the specific procedure can vary depending on the carburetor type and engine model. Always consult the appropriate service manual or manufacturer's documentation for detailed instructions and specifications related to your particular carburetor. - Навчання та стиль
Thank you 🙏 didn't even realize this could be the issue you saved be from replacing the carb
Glad to help
You are THE MAN! 🤗🤗🤠😎👊🏾👍🏾❤️ Thank you for sharing your wonderful knowledge with us my brother! I genuinely mean that😊
Thank you for watching my video
I would love to work on my scooter myself after seeing your videos, but I don't have the tools 😂 😂
It's fantastic that you're inspired to work on your scooter after watching the videos! Taking on DIY maintenance and repairs can be a fulfilling and money-saving endeavor. Gradually acquire essential tools. Borrow or rent from friends or local shops. Buy used tools, look for sales. Prioritize safety and enjoy maintaining your scooter independently.
Whenever I come to a complete stop, my gy6 150cc in my Vitacci scooter dies? I have set the idle screw up and it idles plenty fast, but why does it die just when I stop?
If your GY6 150cc scooter dies when coming to a complete stop despite adjusting the idle speed, there could be several reasons for this issue. Here are some possibilities to consider:
Idle Speed Adjustment: While you mentioned that you've adjusted the idle screw, it's important to ensure that the idle speed is within the manufacturer's recommended range. Setting it too high or too low can affect the scooter's performance.
Idle Circuit Issues: The idle circuit in the carburetor may be clogged or not functioning properly. Cleaning or rebuilding the carburetor could help address this issue.
Vacuum Leaks: Check for any vacuum leaks in the intake system, such as hoses or gaskets. Air leaks can disrupt the air-fuel mixture and affect the engine's idle and performance.
Fuel System Issues: Inspect the fuel system for problems such as a clogged fuel filter, faulty fuel pump, or inadequate fuel supply. Ensure proper fuel flow to the carburetor.
Ignition System: Issues with the ignition system, such as a faulty spark plug, ignition coil, or CDI module, can lead to stalling. Check these components for proper functioning.
Idle Air Control Valve (IACV): Some scooters equipped with fuel injection systems may have an IACV that regulates idle airflow. If equipped, ensure the IACV is functioning correctly.
Automatic Choke: If your scooter has an automatic choke, make sure it is functioning correctly. A stuck or malfunctioning choke can affect the engine's idle.
If you are unable to identify and address the issue on your own, it's recommended to consult with a professional mechanic who specializes in scooters or visit a dealership that services your scooter's brand. They can perform a thorough diagnosis and provide a more accurate solution to the stalling problem.
❤❤❤This man deserves way more views and subscribers, he is the best.. And he is one of the only who actually responds to his subscribers.❤❤❤
I truly appreciate your kind words. While having millions of subscribers and views is a common aspiration these days, what brings me the most happiness is being able to positively impact one person at a time. Knowing that I've made a difference in someone's life by helping them with their scooter troubles brings me immense joy and satisfaction. If I can assist even a single individual and get their scooter up and running smoothly, it warms my heart and fills me with happiness. Thank you for your support and encouragement.
my float bowl keeps popping out and i cant securely fit it in, what do i do?
If your carburetor float bowl on your gas scooter keeps popping out and you can't securely fit it in, there are a few steps you can take to diagnose and fix the issue:
Inspect the Float Bowl and Carburetor:
Check for any visible damage or warping on the float bowl itself.
Ensure that the float bowl gasket is intact and properly seated. A damaged or improperly seated gasket can cause the bowl to not fit securely.
Examine the carburetor body for any damage or debris that might prevent the bowl from fitting correctly.
Check the Float and Needle Valve:
Make sure the float is not sticking or binding. It should move freely without obstruction.
Inspect the needle valve and its seat. If they are worn or dirty, they can cause the float bowl to not fit properly.
Secure the Float Bowl Properly:
Ensure that you are aligning the float bowl correctly with the carburetor body. It should fit snugly without forcing it.
Tighten the screws or bolts that hold the float bowl in place evenly and securely, but be careful not to overtighten as this can strip the threads or damage the bowl.
Replace Worn or Damaged Parts:
If any parts are found to be damaged or excessively worn, replace them with new parts. This includes the float bowl, gasket, needle valve, and screws or bolts.
Check for Compatibility Issues:
If you have recently replaced the float bowl or carburetor, ensure that the parts are compatible with each other. Incompatible parts can lead to fitting issues.
Consult the Manual or a Professional:
Refer to the scooter’s service manual for specific instructions on the carburetor assembly.
If you are unable to resolve the issue yourself, consider consulting a professional mechanic who can properly diagnose and fix the problem.
Taking these steps should help you identify and fix the issue with your carburetor float bowl. If the problem persists after trying these solutions, there might be a more complex issue at hand that requires professional assistance.
thanks for very helpful tips
Thank you for watching my videos 👍
Hello do u know what a rattling noise is in the cvt ...only at high speeds.. its a new 50cc with 150 miles on it..
A rattling noise in the CVT of your scooter, especially at high speeds, can be indicative of several potential issues. It's essential to identify and address the problem to prevent further damage. Here are some possible causes of the rattling noise:
Loose or worn components: Check for loose bolts, nuts, or other components in the CVT system, such as the clutch bell, variator, or pulleys. Over time, these parts can become loose due to vibrations and normal wear and tear.
Belt wear: Inspect the CVT belt for signs of wear, damage, or fraying. A damaged or worn-out belt can produce a rattling noise, especially when under high load at high speeds. If you notice any issues with the belt, it may need replacement.
Clutch problems: The clutch system in your CVT could be experiencing issues, such as worn clutch pads or a misaligned clutch assembly. These problems can lead to a rattling noise when the clutch engages or disengages.
Variator issues: The variator, which is responsible for changing the gear ratio in a CVT, may have worn rollers or sliders. This wear can result in a rattling noise, especially at higher speeds when the CVT is adjusting the gear ratio.
Transmission fluid levels: Ensure that the CVT has the correct amount of transmission fluid. Low or dirty fluid can lead to poor CVT performance and unusual noises.
Engine-related issues: Sometimes, noises from the engine can be mistaken for CVT problems. Make sure the noise isn't coming from the engine or exhaust system. Issues like loose heat shields, loose exhaust components, or engine misfires can produce rattling sounds.
Since your gas scooter is relatively new with only 150 miles on it, it's possible that some components may not have settled or worn in properly yet. However, it's essential not to ignore any unusual noises, as they can indicate underlying problems that, if left unaddressed, could lead to more significant issues.
If you're unsure about diagnosing or fixing the issue yourself, it's advisable to have a qualified scooter mechanic or technician inspect and repair the CVT system to ensure your scooter continues to operate smoothly and safely.
Thank you for watching my video
My gas tank is lower than my carburator. Would an electric fuel pump be overkill for a scooter? I don't like the vacuum petcock and a gravity fed switch I don't think would work for me since my fuel tank is below my carb location.
Hello if your tank is lower then your carburetor you should have a pulsating pump like the one is installed on honda metropolitan
Thanks Brother I'll try that...
Hello I have problem with my new carburetor he is not holding the idle and every time I stop like iam driving amd I stop the engine die when i dont hold the thortle
Hello! It seems like you're experiencing an issue with your new carburetor. The problem you described, where the engine dies when you come to a stop and you need to keep holding the throttle to keep it running, indicates that there might be an issue with the idle circuit or the carburetor's tuning.
Here are a few possible reasons and solutions for the problem:
Idle Speed Adjustment: The idle speed might be set too low, causing the engine to stall when you come to a stop. You can try adjusting the idle speed screw on the carburetor. Turn it clockwise to increase the idle speed slightly. Be sure to consult your carburetor's manual for the correct procedure.
Idle Circuit Blockage: The idle circuit in the carburetor may be clogged, preventing the proper flow of fuel at idle. In this case, you'll need to clean the carburetor thoroughly. Remove it from the engine, disassemble it, and clean all the passages and jets with carburetor cleaner and compressed air.
Air-Fuel Mixture: An incorrect air-fuel mixture can also cause idle problems. Check if the carburetor is adjusted to the correct mixture settings. If it's adjustable, you may need to adjust it according to the manufacturer's specifications.
Vacuum Leaks: Vacuum leaks in the intake manifold or carburetor gasket can also lead to unstable idling. Check for any leaks and fix them if found.
Choke Operation: Ensure that the choke mechanism is functioning correctly. If the choke is not releasing properly after the engine warms up, it can cause the engine to stall.
Throttle Linkage: Check the throttle linkage to make sure it's properly adjusted and not binding.
If you're not comfortable working with carburetors or if the issue persists after attempting these solutions, it's best to have a qualified mechanic or technician inspect and diagnose the problem. They will have the expertise and tools to identify and fix the issue properly.
Remember to always prioritize safety when working on your vehicle, and if you're unsure about any steps, seek professional help to avoid any accidents or further damage. Good luck with resolving the carburetor issue!
Thank, buddy I try everything what you write me, and a hope its is gona work because when I start the engine the idle is holding but after some time not, ok thank you very much
Keep em coming V
Thank you for watching my video my friend
@@VirberelloScooterTips You are the man!
Hey, bro I know this is a different subject. But the scooter solenoid. If it is no good NI touch it with a screwdriver and my bike tries to start up. Does that mean it is no good and needs to be replaced?
Hey, bro! Messing with the scooter solenoid using a screwdriver is a trick to see if it's working properly. If your bike attempts to start up when you do this, it suggests that the solenoid might be faulty and needs replacement. Safety first! Thank you for watching my video
@@VirberelloScooterTips Thank you so much, this guy is the best for your bikes information.......
Hello Virbirello mi amici, I have the strangest symptom with my Chinese 150cc. It stopped starting wiith two no rev limit cdi s I had I changrf the carb but it will only start with the stock cdi but revs at 5500 rpm, I am going to get a new NCY cdi but if that doesnt work, could it be the stator? Why would it only start with the stock cdi and cant adjust carb to right idle?
Ciao! It seems like you're experiencing an unusual issue with your Chinese 150cc scooter. Let's break down the symptoms and possible causes:
Starting Issue: You mentioned that your scooter only starts with the stock CDI (ignition control module) but not with the two "no rev limit" CDIs you tried. This could indicate compatibility issues between the aftermarket CDIs and your scooter's electrical system. It's possible that the aftermarket CDIs are not properly configured or not compatible with your scooter's specific wiring and ignition setup.
Rev Limit and Idle Adjustment: When using the stock CDI, you mentioned that the scooter revs at 5500 RPM and you can't adjust the carburetor to achieve the correct idle speed. This could indicate a problem with the carburetor itself or a potential issue with the fuel delivery system. It's worth checking the carburetor settings, including the idle screw, fuel mixture, and any potential clogs or blockages.
Stator Potential: If the issue persists even after trying a new NCY CDI, the stator could be a possible culprit. The stator is responsible for generating electrical power to charge the battery and power the electrical components, including the CDI. A malfunctioning stator can affect the ignition system and cause erratic behavior. However, it's important to note that a faulty stator wouldn't necessarily explain the compatibility issues with the aftermarket CDIs.
To troubleshoot and resolve this issue, consider the following steps:
Verify Compatibility: Ensure that any aftermarket CDIs you purchase are specifically designed for your scooter's make and model. Check with the manufacturer or reputable scooter forums to find compatible CDIs that have been successfully used by others.
Check Carburetor: Inspect the carburetor thoroughly, looking for any blockages or sticking components. Clean the carburetor and adjust the idle screw and fuel mixture to ensure proper operation.
Seek Professional Assistance: If the problem persists despite your efforts, consider consulting with a professional scooter mechanic or technician who has experience with Chinese scooters. They will have the expertise and diagnostic tools to identify the root cause of the issue.
Remember, troubleshooting electrical and mechanical issues can be complex, so it's always best to consult with an expert if you're unsure or uncomfortable performing the repairs yourself. Good luck in getting your scooter back to its optimal performance! Thank you for watching my video
@@VirberelloScooterTips Ciao! The carburetor is new, I tried it stock and with the previous carbs jetting on main and pilot w needle adjustment. Exact same symptoms. The idle screw and gas air mixture screw have no effect as to the revving issue. Also until recently both no limit cdi s worked fine, so I will try the new one ordered today, If not will seek assistance. Thank you Virberello for taking the time to answer my concern. Love your channel, all my best!
What if I have gas coming out the air filter side of carburetor
To address this issue, you may want to:
Inspect the float needle valve, ensuring it moves freely and seals properly.
Check and adjust the float level according to the manufacturer's specifications.
Clean the carburetor thoroughly to remove any debris or varnish.
Verify that the carburetor gasket is in good condition.
Examine the venting system for any blockages.
Ensure the fuel supply system is functioning correctly.
If you're not comfortable performing these checks and adjustments yourself, it's recommended to seek the assistance of a qualified mechanic or technician to diagnose and fix the problem.
I hope this can help you
can i use 20w-50 oil in my 150cc engine
Anything is better then no oil but i will place the oil that is recommended for your scooter on your manual that will be best for the performance
@@VirberelloScooterTips yes i checked it said to use 10w-30
@@tommytuccer67I know your comment is a month old; but if you are still curious; the lower the W number is what protects your engine from wear during cold starts. If you use a different oil, try to make sure the W(winter) number is the same or lower than what is specified.
Now for the last number; this is operating temp viscosity.
With a higher number comes higher oil pressure; which can hurt seals.
If your motor has been used for 5,000 miles or more, your engine might appreciate a higher operating viscosity, like a 40 or 50 weight oil.
@@greatestevar ok I understand I didn't use the 20w50 I got a 10w40 . the weather is starting too get a little colder in ny so now I have too figure out which one too use now I know I need something thinner I believe
Love your videos!
my 50cc x22 moped was sitting for a few months. I changed the fuel filter and there is a pod for the air filter.
The moped will only start with starting fluid then putter out, If i give it gas it might rev up but wont go pass 5 miles an hour or even a minute of run time. Any ideas on what it could be?
Hello Captain Frandy the described issues indicate a fuel supply problem. Possibilities include a clogged fuel filter, a malfunctioning fuel pump or fuel valve , a dirty carburetor, or a restricted fuel line. Inspection and cleaning of these components, along with checking fuel flow, would be recommended to resolve the problem. Thank you for watching my video and be safe
@@VirberelloScooterTips Thanks for the reply, I have been busy with work and finally had some time to try and diagnose the issue.
I changed the fuel filter, There is a vacuum on the fuel line as well as fuel when unscrewing carb drain plug. I havent tried changing the fuel pump, or cleaning the carb. Is there an easy way to clean the carb and check if fuel pump is bad?
I just bought this moped and I want to get it working! Much appreciation and stay blessed!