150cc Carburetor Cleaning Guide
[31,623 views - 20 comments - Rating 5/5 ]

Please see attached picture. Before starting, drain the fuel from both the gas tank and the float bowl.

1. Remove the carb from the engine by loosening the clamp on the intake inlet manifold. Flip carb over and take off the 4 screws holding the float bowl on.

2. Remove the float pin, push it through using a needle or other like tool.

3. Using a flat-blade screwdriver, remove both of the jets circled. Spray carb cleaner through the jets and passages that are circled. The spray should dissolve and remove any blockages caused by old gasoline.

4. Look through both jets. You should see light coming from the end of each one.

For carbs that are gummed up hard we use compressed air @ 120psi to clean the passages. In some cases using compressed air can actually lodge debris in harder than before, so please be aware of the risk before doing so.

Don't worry if a little gas spills out of the carb when you flip it over to get to the float bowl.

	Poster #1 [05/09/10]
	do I need new gaskits when i clean it and where do i get them from

	Poster #2 [05/17/10]
	where do all the fuel, vaccum, and other lines go on this carb?

	Poster #3 [10/29/10]	Rating 4/5
	where do all the fuel, vaccum, and other lines go on this carb?

	Poster #4 [12/15/10]
	not sure if its the carb i have gas going into my vaccum lines

	Poster #5 [12/15/10]
	i have gas getting in my vaccum lines any help would be great

	Poster #6 [Travis @ BD-ORB] [02/20/11]
	Poster #1: You won't need new gaskets or seals. Poster #3: Check here for a Common vacuum line diagram Poster #5: Sounds like your vacuum petcock may be defective and pulling gas through the vac line. Give us a call if you need help figuring this one out.

	Poster #7 [03/16/11]
	where can i get new vaccum hoses

	Poster #8 [05/25/11]
	my buggy is running aradic and the black elctronic thing on the carb with im gathing is eletric choke why would it be spluttering n blowing flue bak out?

	Poster #9 [06/21/11]	Rating 5/5
	IN the bottom picture..far left circle... is that supposed to be just a tiny pinhole when I look through it? I sprayed it a bunch, then tried a tiny drillbit (by hand) but it just scratched metal so I assume it's clean. My cart idles but dies when I hit the throttle. If this ain't it then I'll look harder for vacuum leaks.

	Poster #10 [06/21/11]	Rating 5/5
	IN the bottom picture..far left circle... is that supposed to be just a tiny pinhole when I look through it? I sprayed it a bunch, then tried a tiny drillbit (by hand) but it just scratched metal so I assume it's clean. My cart idles but dies when I hit the throttle. If this ain't it then I'll look harder for vacuum leaks.

	Poster #11 [07/01/11]
	I know the small end of the Carb is 24MM but do you know the size of the other end?

	Poster #12 [07/01/11]
	I know the small end of the Carb is 24MM but do you know the size of the other end?

	Poster #13 [07/03/11]
	I know the small end of the Carb is 24MM but do you know the size of the other end?

	Poster #14 [07/26/11]
	There's a screw on the side of carb. What does that do? I tried screwing in and out to see if it made a difference on running, didn't make no difference, my question is where should it be set at?

	Poster #15 [07/26/11]
	There's a screw on the side of carb. What does that do? I tried screwing in and out to see if it made a difference on running, didn't make no difference, my question is where should it be set at?

	Poster #16 [08/12/11]
	Don't forget to check for trash in the fuel cell and/or collasped fuel lines etc.

	Poster #17 [01/11/12]
	Set screw @ 1 1/2 turns out from fully closed. Careful not to damage seat when closed 100% this screw needs to be pulled all the way out as to allow for debris to be blown out during cleaning. The screw mentioned is on the driver side close to the front bottom of intake manifold throat. Some times factory has installed a cover (plug) over this adjustment screw. Simply use a small drill to make hole in center,then scrw a dtywall screw in drilled hole and remove with pliers. I think most ALL fuel mixture problems are due to this obstruction....after having been sitting and not properly stored for long periods of time. The factory will not tell you this. Redfishlost@gmail.com

	Poster #18 [04/28/12]	Rating 5/5
	I can't get my gy6 to run. I've cleaned the carb twice. I've put gas directly into the cylinger at the spark plug and it starts but won't stay running. I've cleaned everything from the tank to the carb but the engine just doesn't seem to be getting fuel to the cylinder. Any suggestions?

	Poster #19 [06/22/12]	Rating 4/5
	Why remove the float pin? Is it to spray thru the holes the pin gpes thru?

	Poster #20 [07/09/12]
	Engine will not run unless you remove the air cleaner and manually coke the carb? Any help would be great.

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