How to clean jets and carburetor on a gy6 150 cc scooter 

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Hello my friend with time I learn that sometimes mechanical problems and electrical problems can give you motor very similar symptoms one time i had a oil leak coming from the oil tensioner and that little leak made my stator / alternator very dirty and my scooter at 6k rpm was no performing so I try everything like valve adjustment / carb cleaning service / compression test / new battery and at the end after doing all that I find out that my stator was dirty so I cleaned with an electric cleaning spray and after my scooter was working great and I had to fix the oil leak at the chain tensioner I hope this can help you and thank you for watching my videos

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Great I'm very happy for you now be safe and thank you for watching my video

Hello Corimartin good luck my friend don't worry is going to be very easy just make sure you have gloves + eye protection . Thank you for watching my video

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Sir I would like to know about vibration in slow speed. When scooter runs slowly then I feel vibration, Why?

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Hello Joella the best is to drain the gas tank and place some fresh fuel and them place a new spark plug to see if it runs a lot better . Thank you for watching my video

Hello Maurice check the jets inside the carburetor to make sure but sometime this symptoms are also the same of a bad spark plug boot or bad coil or also like happen to me one time a dirty stator and magneto and that will give you a non consistent electrical flow . Thank you for watching my video and be safe

@@VirberelloScooterTips i think it's the carb. I stop for gas and the station only had 87. Spark plug and ignition coil new. Thanks again.

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Hello my friend I like the carb on amazon for gy6 150cc 24mm or 26mm and my favorite main jet on my location that is at sea level is the #120 or #118 and my scooter run great but in the Florida winter I should change to a #115 main jet for little cold air . Thank you for watching my video

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Hello Leroy that is a Car Stereo Amplifier Digital Player amzn.to/3p0ngxd but look like a laser jammer ah ah ah

@@VirberelloScooterTips Wow, it sure looks cool! Thanks

Hello I have on my scooter a K&N style air filter too this is great but the only problem if you have a little rain and the filter get a little wet you filter close up and your engine is not breathing any more until is dry now try to find the way to keep that filter cover, now that you give more air to your motor you need to give a little more juice you need to keep a balance so if you like you can change your main jet of your carburetor to a 120 or 125 size jet at that point your scooter will run a lot better and faster. The gear box has nothing to do with the filter yes with high flow filter is more noise but if you hear a slapping noise at the rear gear box is possible that your belt is braking a part or if you hear a rattling noise in the front lower left side of the crankcase cover on your scooter that is the location of the variator and the rattling noise is the worn variator rollers that need to be change. Thank you for watching my video

+virberello oh and thanks for replying your awesome love your videos

Hello you need a very thin steel wire like a stapler somthing very strong or somepeople clean them with guitar string or you buy a specific tool amzn.to/3oghdYJ

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Hello my friend that was a Car Stereo Amplifier Digital Player 12V Hi-Fi Support USB/SD/FM/MMC/DVD / MP3 Input amzn.to/3e6A3ih and is working ok for the price of only $24 dollars plus you can buy 2 ok speaker and is a good system

@@VirberelloScooterTips have to check it out

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@@VirberelloScooterTips I see that the fuel line was wrongly attached to vacuum line on top, so i switched it to correct position. I used a little carb choke cleaner to start it but i think i flooded it, i will wait till tomorrow to start it again

@@depe7946 You need to open the top of your carburetor and remove any gas or the main jet needle will not raise but tomorrow for sure gas will evaporated but sometime the ethanol in the gasoline can damage the carburetor rubber diaphragm

@@VirberelloScooterTips i hope that didn't happen or else i will be shopping for a new carburetor.

If fuel is coming into the oil, it could be a sign of a carburetor issue. The carburetor is responsible for mixing air and fuel in the correct proportions for combustion in the engine. If the carburetor is not functioning properly, it can lead to an overly rich fuel mixture, causing fuel to seep into the oil. There are a few possible reasons for this problem: Float Valve: The float valve inside the carburetor may be stuck or not sealing properly. This can cause fuel to continuously flow into the carburetor and eventually into the oil. Needle and Seat: The needle and seat assembly in the carburetor could be worn or damaged, preventing it from closing off the fuel flow properly. As a result, fuel can leak into the engine and mix with the oil. Carburetor Float: The float inside the carburetor may be damaged or incorrectly adjusted. If the float is too high, it can allow excessive fuel to enter the carburetor and subsequently flow into the oil. or your fuel valve petcok need to be replace because is leaking Thank you for watching my video

That is a great solution :-) Thank you for watching my video

+virberello is this solution has not bad effect on engine? thanks again 👍.

For what I understand you remove the 2 bolts at the manifold in front of the carburetor, no you will not have bad effect on engine make sure you place the bolts back after cleaning and you reassemble the carburetor :-) and please make sure nothing goes inside the opening of the manifold place a little towel or fabric when you work on the carb :-)

+virberello yeah that's it I put a bull of paper in the hole to make sure no thing will get inside .thank u I really procreate this advice .

Great work :-)

Yes big bore carburetor will have a larger main jet included you will not have to buy extra main jets .you say 20 mm so your scooter is a 50 cc so the best jet for a 50 cc is between size 85 to 105 main jet is all depend how high are you from sea level. Thank you for watching my video

+virberello oh I upgraded to 100cc so the 20mm is best upgrade for my 18mm carburetor. thanks ill give you update when i already install the new carburetor

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Hello my friend place your scooter on a center stand rmove the inside seat storage bucket turn your scooter on let it warm up for 3 to 5 minutes take a brake cleaner spray can and with the spray straw point to vacuum hose and make a mist also go around the manifold infront of the carburator and if you ear any RPM change when you spray around you will find the leak

@@VirberelloScooterTips thank you very much indeed!!!

Hello my friend Pilot jet for 50 cc should be a # 30 and main jet shoul be a #79

Hi Giovanny my favorite carburetor for a 150cc scooter is 26mm and you can find on amz from $27 to $34 Thank you for watching my video

Hello Leroy one time per year will be a great thing to do but I always wait until I feel that my scooter is not performing good . Thank you for watching my video and be safe

Hello Gregory I like Gy6 engine but sometime you find the one that give you little more problems then the others anyway with the little patient if your scooter is not starting can be many things . I always start from the easy part Check for Spark Plug Fire see my video here ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-dFSasN8WQl4.html if spark fire is nice and clear your are ok if you do not have a spark you are in a little bigger problem because that could be the 1 coil , wire, cdi, Stator or stator pick up I hope not .Next open your seat and remove the inside compartment check the vacuum line make sure is connected to the manifold and the carburetor and the petcock valve and test the petcock valve check my video ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-wxPrBO9qRVg.html make sure gas flow free from tank to carburetor when you try to start the scooter, check if there is any cracks at the intake manifold in front of the carburetor see my video ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-RXvUX7XRX_8.html and last open the carburetor and clean the inside that always good for the scooter. Thank you Gregory for watching my video and I hope you find the problem

I'm sorry to hear that you're experiencing issues with your GY6 scooter carburetor after following the cleaning procedure. It's important to address this gasoline leakage problem as soon as possible for the safety of your scooter and yourself. The excessive gasoline flow from the carburetor's upper pipeline can be caused by a few different factors. Here are some common reasons and suggestions to help you diagnose and resolve the issue: Float Level Adjustment: Check if the float level inside the carburetor is set correctly. If the float is too high or too low, it can lead to an improper fuel supply. Adjust the float to the manufacturer's specifications. Float Valve: Inspect the float valve and needle. They may be worn out or damaged, preventing the valve from sealing properly. If damaged, replace them. Fuel Pressure: Ensure that the fuel supply line isn't delivering fuel at excessive pressure. Stuck Float: Make sure the float inside the carburetor moves freely. If it's stuck in the open position, it will allow too much fuel to enter the carburetor. Clean or replace the float if needed. Clogged Vent or Overflow Tube: Check if there are any obstructions in the carburetor's vent or overflow tubes. These tubes play a crucial role in maintaining proper fuel levels. Clean them thoroughly. Needle Seat: Inspect the needle seat for debris or damage. Clean or replace it if necessary. Gasket and O-Rings: Ensure that all gaskets and O-rings are in good condition. A damaged gasket can lead to leaks. Replace any worn or damaged seals. Reassembly: Double-check that you correctly reassembled the carburetor components after cleaning. A small misalignment or improper seating can cause fuel leaks. Fuel Quality: Ensure that you are using clean and uncontaminated fuel. Contaminated fuel can cause blockages and disrupt the carburetor's function. Professional Inspection: If you've checked all of the above and the issue persists, it may be best to have a professional scooter mechanic inspect the carburetor. They can perform a more detailed diagnosis and recommend any necessary repairs. Remember to prioritize safety when working on your scooter's carburetor. If you're unsure about any step in the troubleshooting process, it's safer to seek the assistance of a qualified mechanic. I hope these suggestions help you identify and resolve the issue with your scooter's carburetor. If you have any further questions or need additional assistance, please don't hesitate to ask. Safe riding!

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@@VirberelloScooterTips I show 3 paths of my films about latest test situation, when you viewed them just give me some suggestion to resolve my carburetor issues, please! Due to related information about carburetor not working issues very hard from internet to get, so I need someone like you to share your experience for me, thanks!

@@VirberelloScooterTips ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-4p6DsRAExeo.html

Hello Luke if the scooter can stay on idle that is good thing but if you give a little throttle and the scooter dies down that i a dirty main jet and needs to be clean also if your scooter is a gy6 150cc the manifold is made of rubber and sometime they brake with age or heat and is not easy to see unless you look close or twist with your hands if the scooter was setting for one year there is a possibility of oxidation on the copper of the stator but if your riding your scooter for a while oxidation went away. I hope this can help you thank you for watching my video and be safe

@@VirberelloScooterTips Hi again Virberello yep I have a strong feeling it's the main jet in the carb i just bought carb cleaner and will dive into it tomorrow I will let you know how it goes, take care

@@systemHijack ok great make sure to protect your eyes when you spray the carb cleaner and put some good gloves on

@@VirberelloScooterTips Hey Virberello i got the carb out, but I can't take the float bowl off. There's no screws only rivets, my bud mechanic suggested drilling the rivets out or buy new carb.

@@systemHijack OMG your carb has the rivet yes check on line what is the price for a new carb for your scooter style for a gy6 150cc they go for around 25 to 30 dollars or if you have little time on your hand you can drill the rivet and place a nut and a bolt

Hello Realcygnus Thank you for helping me to give the youtube community a little more information on Gy6 carburetors and Thank you very much for watching my video

Is garage good for storgae in winter time or should it be brought inside ?

Can the smaller idle jet be poked through with one of those motorcycle needle tools to clean the passages or is the hole too small on the jet to use that tool?

Don't know about particular tools, I have just used whatever I can find, like guitar stings or a needle threader etc.

Hello Tony yes is a 42mm but there is not space there so you have to make a hose extension because the frame of the scooter is to close . Thank you for watching my video

@@VirberelloScooterTips Or maybe to put this one? Its a bit extendet. imgur.com/gallery/CzesbkN

@@VirberelloScooterTips So I need to cut that rubber pipe comming out of carb. and attach air filter on it? Will it be too loose?

@@tonyvideochannel6871 no put some Jb weld glue amzn.to/2HYFwGx and some electrical tape and that filter will stay there forever

Hello my main jet is #105 Thank you for watching my video

yes some of the carburetor have no screws

Hello Riste wd is ok but not the best carburetor cleaner works great and is around 3 to 5 dollar at auto part store. Thank you for watching my video :-)

f you've cleaned the carburetor in your gas scooter and are now experiencing gas getting into the oil, it's important to address this issue promptly to prevent potential engine damage. Gasoline in the oil can lead to decreased lubrication, causing excessive wear on engine components. Here are some possible reasons why this might be happening: Float valve or needle: The float valve and needle are responsible for regulating the fuel flow into the carburetor bowl. If they are not functioning correctly or are worn out, they may not be sealing properly, allowing fuel to overflow into the carburetor and eventually mix with the oil. Carburetor adjustment: The carburetor may not be properly adjusted, leading to an overly rich fuel-air mixture. This can result in unburned fuel finding its way into the oil. Crankcase ventilation: If the crankcase ventilation system is clogged or malfunctioning, it can create excessive pressure in the crankcase, causing oil to be pushed into the airbox and gas to be drawn into the oil. Piston rings or cylinder wear: If the piston rings or cylinder walls are worn or damaged, they may not be sealing properly, allowing gas to leak past them and mix with the oil. Fuel pump or fuel valve issues: Some scooters have a fuel pump petcock that can malfunction, causing fuel to be pumped into the carburetor at a higher rate than necessary, leading to overflow and gas in the oil.

Hello my friend if your scooter is a 150cc gy6 4 strokes 93 oct is a better fuel so no problem . Thank you for watching my video

Thats the type of fuel youre supposed to use

Hello Samiullah is not easy to say if I do not see the scooter could be a fuel flow problem or electrical problem if is fuel flow you need to clean the carburetor if is electric you need to change the spark plug or the coil or the stator magneto. Good luck and thank you for watching my video

@@VirberelloScooterTips thanks mate

Hello that will be ok but sometime the air can is not to strong to remove old gummy fuel

Hi there is an unbalance on air and gas ratio you can adjust the fuel/air ("mixture") ratio. This is done on most scooters using a screw adjustment on the left side of the carburetor. This screw changes the air to fuel ratio at low speeds. It shouldn't need much adjustment, but the way to do it is to turn the screw very slightly (1/8th turn) and see if the idle speed goes up or down. If it goes down, turn the screw back 1/8th turn to where it started, then 1/8 turn in the other direction and see if the idle speed goes up or down. If it goes down, turn it back to where you started since you didn't need any adjustment! If the idle speed goes up, continue turning the screw in 1/8th turn steps until the idle speed is at a maximum. If it starts to go down, turn it back to get the maximum idle speed. Or you can try to lower your size number of you carburetor main jet and do a test run or you can have fun and place a high flow 39mm air filter and see what your performance you can get. That is what I have in my scooter. Thank you for watching my video

virberello i tested this screw without luck, the Main jet is 103 ( i think is the original ) , tomorrow Will test again in that form. thanks for reply!!

Hi I forgot if you have an automatic electric choker on your carburetor sometime they fail in a close position and that will change your ratio try to tested if possible :-)

tested without luck the screw and the auto choke, maybe carburator air curtain? but it have the stock spring and all seems fine

You can also check the space at valves and make sure is right. I see few Carburetor on Amazon for around 30 to 60 dollars you can try to change for a new one and see if your scooter will run better

tell me why i should not cleaned idle jet ? and them I tell you why I clean that

Hello justin yes sometime they are very thight and the metal of the screws is very soft so the best way to remove them is to squeeze them with a grip vise amzn.to/3pKhHW4 but not point down get them side way is not easy and will take you a little time

Sea foam is a popular fuel additive that is used to clean and maintain engines. It is specifically designed to clean and lubricate fuel systems, including carburetors, and can help improve the performance and efficiency of your gas scooter. When used properly, Sea Foam can help break down and dissolve the buildup of varnish, gum, and carbon deposits in the carburetor, which can improve fuel flow and reduce the risk of engine problems. It can also help lubricate the internal components of the carburetor, which can help prevent wear and tear and extend the life of the carburetor. To use Sea Foam to clean your scooter's carburetor, you can add it directly to the fuel tank according to the instructions on the product label. You can also use Sea Foam as a cleaning solution by adding it directly to the carburetor through the intake or through the fuel inlet. However, it's important to note that Sea Foam may not be effective for all types of carburetor issues and more severe problems may require professional cleaning or repair.

@@VirberelloScooterTips thank you I'm thinking on just getting a new carb for my 2006 tank .......one more thing are the carbs I see online at eBay pre set like plug an play or do I need to tune it myself

@@mrworldwide6770 Yes the standard carb are plug and play but the one for racing you need to add the fuel jets

Hello Jimmy yes when you are cleaning you can spray carburetor cleaner on the pilot jet will be better . Thank you for watching my video

James Roberson what do you mean?

Hello my friend if you have a gy6 you are lucky because the carburetors are very affordable and sometimes after 5 or 6 k is better to replace the carburetor. Thank you for watching my video

Hello Justin that could be a great idea to Delivery pizza with the scooter or uber eat delivey ah ah ah

Hello Oscar thank you for visit my video

virberello my scooter starts n will run but cuts off when i give it gas could that be fixed by cleaning The carburetor?

Hi Oscar few thinks are possible main jet inside the carburetor needs to be clean or air filter can not breath first disconnects the hose that is on the rear side of the carburetor that connect to the air box and start the scooter and see if that help if you see improvement you need to change the air filter if you do not see any changes you need to open and clean the main jets inside the carburetor when you remove the carburetor inspect the manifold in front of the carburetor and make sure there is no cracks on the black rubber manifold and make sure the vacuum line is connected to the manifold . If this is not working feel free to contact me anytime Thank you for watching my video

virberello ok i will thanks

Works, but WD40 smears oil and lubricates while brake cleaner removes it and other unwanted dirt.

No bueno my friend something went wrong first check if the fuel is going to the carb disconnect the fuel line from the carb and place that in a small glass try to start the scooter if the gas is poring from the fuel line you are ood with step 1 now if the gas is not flowing make sure the vacuum line the little tube is connected at the intake in front of your carb.If something is wrong inside the carb the only way to know is to reopen the carb and look if all the parts are working check if the floater is moving and opening and closing the fuel flow and make sure the jets are clean and try to close the carb and restart Good luck let me know how you doing .

Before to reopen the carb also check if the vacuum line at the petcock valve ( amzn.to/2l6X1cy ) is connected and follow the vacuum line from the intake to the valve sometime they brake if they are old

Thanx

D Rouseau what did you end up finding out why it wouldn’t start?