Scooter Won't Start or Idle? Try These 5 Things to Get It Running | 150cc and 50cc GY6 Scooters

This is a 150cc or 50cc scooter troubleshooting video where I figure out why my scooter will not idle and runs poorly. I check the CDI, fuel and vacuum lines, ignition coil and spark plug, valves, and check the carburetor. The solution is something unusual.

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For everything I used to troubleshoot, the links are below.

CDI~~

Fuel Lines and Filter~~(Changed filter only)

Ignition Coil~~

Valve Clearance Tool~~

Carburetor~~

[dieterhammes]

Will definitely try this tonight when I get home. My GY6 150 has been doing this recently. You couldn’t have explained it better.

[joserivas]

The way you splain its really good thank you. The problem its the lighting its too dark.

[Jonathancabanyc]

Wish I watched this video before taking my bike to the mechanic, he did the same steps but didn't use a multimeter. This video is very very helpful.

[WHOAMI-vixr]

Owning this scooter one thing is damn sure you will never ever get "boredom"( each and every day you are at work)

[patriciaoneill]

I am 71 years old and bought a trike in Aug 2021. It's a 2021 and spends most of it's time in the shop. Right now it's doing exactly the same thing yours is doing. Going in the shop mon 3 Jan 2022. Thanks for the video, so when they talk to me this time I will understand if they know what they're talking about.

[joemoreno]

Hello thanks for the video im guessing it is what messing up my scooter cause once i unplugged the vacume line that goes to valve it runs fine until gas runs out, watching from Honduras brother 👍

[MoJoJohnny]

Just took my carb apart and was running fine, now it won't idle. Thanks for the information, gonna try to fix it this weekend

[jeffmee]

I just had the same thing it was the petcock letting petrol in the vacuum pipe I put on new clear fuel pipes and saw it running down the pipe to the vac inlet to the engine so look out for that.

[paulhunter]

I had a problem where it wouldn't start..that's what it was. The metal piece that attaches to the plug was actually on the plug. Replaced the coil and it fired right up 👍 Then after that the fuel vacuum diaphragm started leaking.. making it run rough on warm starts and a couple of times hard starting. Replaced the vacuum diaphragm and carb..if the diaphragm goes bad again I'm gonna replace it with a on/off petcock.

[DanteFox]

Not a bad video about trouble shooting.

[steveblottenberger]

Doing a good job same problem with my scooter is a valve adjustment

[BiteSizeTech]

Awesome video! I really enjoyed it - keep grinding and keep up the great work.

[wesleycook]

it has to be the carb or the vacume operated fuel valve from tank

[crpth]

It's unbelievable, how you went completely backwards on the checking sequence!
Starting with the CDI is, let's say, amusing! Valves, etc... While leaving the main culprit (carb) to last. ;-)
The simple fact that, otherwise, it started and run. Set aside all the other gimmicks. As main actors. Surely a decent valve adjustment improve things. Surely a plug boot in one piece also help, etc. But idle issues 99% take you straight to the carburetor. The rest comes after.
Please check K.I.S.S ;-)

[bilguuntserendavaa]

Great video you finally solve the problem i have honda giorno with 2 strokes mine wont start my manually and starter. sometimes it start and dont idle long just like to your scooter. After I clean my carburator, change my spark plug still wont idle and start maybe i should check my valve....

[BobPattersonII]

Thank you so much

hey cool to see you are from Pennsylvania too

[kpudhtz]

Valve adjustment is so dreadful that you went through all that just so you wouldn’t have to check valves LOL amen brother!

[shaunaromine]

I'm late to this video, but before I pull out the carburetor, I want to spray some cleaner on it. It has sat for a while. I cannot figure out where to spray it. I need some more detail on where the air intake and carb part are located and perhaps what they look like. Some videos address the issue, but they don't take it to the finish line.

[psychouki]

Got the sv650 in the back. I see ya boi

[ruslanzeamer]

Hey Man I love your videos bro. I need your help please. I have a 200cc moped, and I’m new to the moped I just got it new here is my problem my friend. The headlights stay ON even if my Key is in my pocket and the Engine is OFF???🤔 I don’t no what to do??? It keeps killing my battery.🪫 I have to disconnect the power cord from the battery to shut it off every time!!! Please help me out sir I would really appreciate it thanks again and I hope to hear from you, or can you please make a small video of that I will watch it.🎬🎥🎧🤪😂👌💫🌏