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Carburetor Assembly

Part Number: 308054013
RyobiRidgidHomelite
Availability: 25+ in stock
Price: $26.74
Quantity:
Ships within 1 business day

*This part replaces obsolete part #: 308054004 and 308054012.

Product Information
Manufacturer: Ryobi, Ridgid, Homelite
Product Number: 308054013
Classification: Part
Weight: 0.29 lbs.
Shipping: Ships Worldwide
Description:
A carburetor basically consists of an open pipe through which the air passes into the inlet manifold of the engine.
The pipe is in the form of a Venturi: it narrows in section and then widens again, causing the airflow to increase in speed in the narrowest part.
Below the Venturi is a butterfly valve called the throttle valve — a rotating disc that can be turned end-on to the airflow, so as to hardly restrict the flow at all, or can be rotated so that it (almost) completely blocks the flow of air.
This valve controls the flow of air through the carburetor throat and thus the quantity of air/fuel mixture the system will deliver, thereby regulating engine power and speed. The throttle is connected, usually through a cable or a mechanical linkage of rods and joints.

Fuel is introduced into the air stream through small holes at the narrowest part of the Venturi and at other places where pressure will be lowered when not running on full throttle.

Products Compatibility

This item works with the following types of products:

  • • Blower
  • • Hedge Trimmer
  • • Pruner
  • • Trimmer
Repair Instructions: Submitted by Customers Like You
40 of 47 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Carburetor Assembly - 308054013
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Socket set, Carb. Adj. Tool, Long nose pliers, Razor Blade
Unit would start but stalled as I appiled throttel Carb on unit was 8 years old. I chose to replace it Rather than rebuild.
Empty fuel tank. Removed old carb and spark plug with socket wrench Removed old fuel lines and replaced with new fuel lines and fuel filter. Also replaced spark plug. Cut an angle on Fuel lines to insert them in the fuel tank. Used the extra long long nose pliers to pull gas lines in. Pulled the fuel line input to carb out of the tank to attach the fuel filter. Adjusted Fuel lines to desired length then cut. Attached Carb to Weed eater. Attached Fuel lines to carb. Put on new spark plug.
Filled gas tank. primed and it started but was running rough. Had to do some minor adjustments on the carb (Both The L and H needles) it runs as well as I can expect it to.

Note. I applied a drop of 3-in One oil around my gas line to insert them in the gas tank.
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18 of 21 people found this instruction helpful
Tool Type:
Hedge Trimmer
Parts Used:
Carburetor Gasket - 900994004
Carburetor Assembly - 308054013
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Nutdriver
Trimmer would not run at full speed and would not idle
Store where I bought it wanted a fee to diagnose the problem, an hourly charge to make the repair and $75 parts charge if it needed a new carb. It was going to cost $75-100 for the repair.
It took me less than 30 minutes to remove the carb and install the new one. It started immediately and has run perfectly since.
All you have to do is to remove the air filter base,by removing the two nuts. Remove the fuel lines and throttle from the old carburetor box, then remove it and the old carburetor gasket. Install the new gasket then the new carburetor, then hook up the fuel line to the carburetor and the throttle. Then install the air filter base and tighten up the two nuts.
Thank you
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18 of 21 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Carburetor Gasket - 900994004
Carburetor Assembly - 308054013
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Socket set
Replaced carburetor.
Remove air filter, remove fuel lines from carburetor. (Remember where the lines are connected) Remove old carburetor and gasket. Place new gasket and new carburetor on mounting bolts. Install the fuel lines, Then the air filter. Done.
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8 of 10 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Carburetor Gasket - 901552001
Carburetor Assembly - 308054013
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Nutdriver
carburetor was clogged and not working.
I removed the two screws holding the carburetor. I then disconnected the fuel lines and removed the old carburetor from the trimmer. I replaced the old carburetor gasket with a new one and installed a new carburetor. I reconnect ed the fuel lines onto the new carburetor, making sure they are in correct order. I put the two screws back and fastened them securely. I put the air filter cover back on and the job was complete. A few adjustments to the idle screw and the job was complete.
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3 of 4 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Carburetor Assembly - 308054013
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Nutdriver
Carburetor
Removed the air cleaner
Removed the two nuts that hold the carburetor
Removed the gas lines and the throttle from the old carburetor
Installed the lines and throttle on the new carburetor
Placed it on the screws and tightened the nuts down
Put on the air cleaner
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3 of 4 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Carburetor Assembly - 308054013
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Nutdriver
Carburetor shot
Remove the air filter cover and filter
Pulled the fuel lines and the throttle off of the carburetor
Remove the two nuts holding the air filter base and the carburetor
Removed the base and the carburetor
Installed the new carburetor and air base on the screws and tightened the nuts
Hooked up the fuel lines and the throttle
Installed the air filter and cover
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1 of 1 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Fuel Line Assembly W/Filter - 791-181085
Carburetor Assembly - 308054013
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Nutdriver, Fuel line wire puller
Engine would not stay running, fuel line rotted from ethenal
Watched eReplacementparts video, piece of cake. Started and stayed running on first try
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Tool Type:
Blower
Parts Used:
Carburetor Assembly - 308054013
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Socket set
Blower would not stay running
Removed the filter
Removed two nut that hold carb in place
Put new carb on then, put it back together
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Tool Type:
Trimmer
Parts Used:
Carburetor Gasket - 901552001
Air Box Cover - 518777001
Carburetor Assembly - 308054013
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers
Would not stay running without manually playing with the choke lever. Had been run with no air cleaner installed.
Removed two bolts holding the air cleaner base and carburetor.
Disconnected the two fuel lines and throttle cable.
Cleaned old gasket off.
Placed bolts back through the air cleaner plate, the new carburetor and new gasket and installed with gas lines and throttle cable.
Machine started well and ran well.
Still need more parts, unrelated to this repair.
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Tool Type:
Edger
Parts Used:
Filter - 98760
Carburetor Assembly - 308054013
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Socket set, Torx driver
If you took small engine repair in high school, finding the problem will be a breeze.
Diagnosed that the carburetor was the problem, and replaced with replacement unit.
Runs great now. The complete carburetor was only a few bucks more than the rebuild kit, so I took the easy way.
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Discussion
Discussion for Carburetor Assembly - ( 308054013 )
Discussion is closed. To ask our experts a question about a part, use the Q&A feature.
Question: H/L Mixture Adjustment

1494766

Di you sell an adjustment tool for the 308054013 Carb?
EPA does not want end users like us to have them. They aren't available here but there are many on ebay. Check there...or tap a 22 gauge automotive type wire connector down onto the mixture screw head and turn them with that. A female spade connector terminal works on any of the 4 different screw head types.
WJA
Hello 1494766 ,

EPA Carburetors

Your machine has an "EPA" carburetor. Starting in 1997 The EPA placed requirements on how clean small engines are required to burn. As part of this restriction the carburetors are set at the factory. The carb then either has the adjustment ports capped or they use special adjustment screws so that the carb can only be adjusted by a tech trained in compliance with the EPA directives. The manufacture offers the special carb adjustment tools their authorized repair shops but not to the general public. The manufacture is liable to ensure that the equipment they sell complies with the EPA directive and therefore will typically not offer the adjustment tools for sale to the general public. You can learn more about the EPA emissions requirements for small engines at the following link...

http://www.epa.gov/otaq/consumer/f98025a.pdf

Before you adjust the carburetor you should determine why it needs adjustment first. A carb should only need adjustment when it is new and needs to be adjusted for altitude or after a carburetor rebuild has been performed. If a piece of equipment has been working fine and then starts acting up there will be more repair issues than a simple carb adjustment. The carburetor itself will not simply go out of adjustment. You will want to look at things like a tune up, a clogged carburetor, a plugged exhaust system, ignition problems, etc. Adjusting a carburetor requires some knowledge and experience with small engines. You can easily overheat and seize the engine if you are not familiar with the proper procedures. It is also a good idea to use an engine tachometer to be sure that you make the correct adjustments.


-WJA
Question: New Carb

dhsrem

will this new carb 308054013 fit my ry30550 ?
Hi dhsrem That is what the parts list on this site indicates. Here is your Ryobi model:

http://www.ereplacementparts.com/ryobi-ry30550-string-trimmer-and-brushcutter-parts-c-7931_15633_15690.html

The carb in question is in FIGURE B: Engine Assembly Part no. 20
Question: Ryobi RY30542 Fuel Line Replacem...

jsanders101

Fuel lines deteriorated due to using ethanol mixed gas. Both line were destroyed. Have replaced lines but cannot find a diagram showing which line goes where. Can you help
WJA
Hello jsanders101,

We have prepared an article and video on How to Replace Fuel Lines on 2-Cycle Engines Hope this helps.

-WJA
Please see this for details:

http://www.ereplacementparts.com/article/3741/How_to_Replace_Trimmer_Fuel_Lines.html
Question: What Seems To Be The Problem?

jdabao1

my trimmer starts without any problem but will stop/dies when I squished on the trigger.
Model RY26520
WJA
Hello 1199276,

It sounds like you have some carburetor issues. It could be dirty or clogged in some areas. Since the manufacture doesn't supply a rebuild kit for this carburetor ( Because of the low cost of a new one). You can either purchase a new 308054013 carburetor. Or we have an article and video on How to Clean a 2 Cycle Engine Carburetor.

Hope this helps,
-WJA
Question: Carb Part

mpekrul

can the little brass tube fuel line connections be purchased separately? the little elbows that press into the side of the carb. if not, do they come with the carb?
WJA
Hello mpekrul,

Because of the low cost of the 308054013 carburetor the manufacture does not supply any replacement parts for it. And the brass fuel tubes do come with a new carburetor.

Hope this helps,
-WJA
Question: Carb

1179538

Does the
Carburetor Assembly Part Number: 308054013 fit the RY52502 pole saw. Can I just get the primer bulb. If so which one is it?
WJA
Hello 1179538,

The carburetor part number 305054013 is the correct carburetor for the Ryobi RY52502. Because of the low price of this item, the manufacture does not supply parts for it. Most of the big box stores will carry a primer kit with a few different sizes of primers in the package. Or you might find a small engine service center in your area to see if the have one that might fit.

-WJA
Question: Carb

1159335

So if I order a new carb 308054031 will it need adjustments when installed. I suspect it will, do I need a "pac man" type tool to adjust or hopefully it will have adjustment screws?
you need to adjust screws. start @ 1.75 turns or more out from seat. I have found that a .223 brass casing bent with a V indented at the end can turn the screws while running engine.
WJA
Hello 1159335,

EPA Carburetors

Your machine has an "EPA" carburetor. Starting in 1997 The EPA placed requirements on how clean small engines are required to burn. As part of this restriction the carburetors are set at the factory. The carb then either has the adjustment ports capped or they use special adjustment screws so that the carb can only be adjusted by a tech trained in compliance with the EPA directives. The manufacture offers the special carb adjustment tools their authorized repair shops but not to the general public. The manufacture is liable to ensure that the equipment they sell complies with the EPA directive and therefore will typically not offer the adjustment tools for sale to the general public. You can learn more about the EPA emissions requirements for small engines at the following link...

http://www.epa.gov/otaq/consumer/f98025a.pdf

Before you adjust the carburetor you should determine why it needs adjustment first. A carb should only need adjustment when it is new and needs to be adjusted for altitude or after a carburetor rebuild has been performed. If a piece of equipment has been working fine and then starts acting up there will be more repair issues than a simple carb adjustment. The carburetor itself will not simply go out of adjustment. You will want to look at things like a tune up, a clogged carburetor, a plugged exhaust system, ignition problems, etc. Adjusting a carburetor requires some knowledge and experience with small engines. You can easily overheat and seize the engine if you are not familiar with the proper procedures. It is also a good idea to use an engine tachometer to be sure that you make the correct adjustments.

-WJA
Question: Primmer Bulb

1150040

Where can I get a replacement primmer bulb for my Ryobi 30530 Trimmer?
WJA
Hello 1150040,

Because of the the low cost of the 308054013 carburetor. The manufacture does not supply parts for it. However if have seen some primmer bulb kits in some of the big box stores. You can also try a local small engine repair center in your area to see if the can match on up for you.

Good luck,
-WJA
Lowes' sells a fuel line repair kit that has a bulb that is a perfect fit for the ry30530. The kit # is 49MFLRKK953. It also includes a fuel filter, a length of low permeation fuel line and a fuel line connector. I used this kit to replace my bulb, fuel line and fuel filter.
Question: Carb Part

fyrfytr

Can I purchase the choke lever separate for my RY 30240 trimmer?
WJA
Hello 1108407,

There are two choke levers that I know of that you can purchase. One is part number 518824001 and the other one is part number 521523001.
But I can't tell you for sure that either one of them will work.

Good luck,
-WJA
Question: Use On RY30004A

1094000

Will part 308054013 work on RY30004A?
The corresponding part 308054003 is more than 3 times more expensive.
Is part 308054013 a part of 308054003?
Thanks for reply
WJA
Hello 1094000,

I'm sorry to say the 308054013 and the 308054003 are two different carburetors that you just cannot interchange. It's like having two cars made by the same manufacture but two different models. There are just some parts you can't use for the other. I know it not good news.

But have a good day anyway,
-WJA
Question: Bc30 Carb

1090750

Is there a way to change the settings on this carburetor?
WJA
Hell 1080750,

EPA Carburetors

Your machine has an "EPA" carburetor. Starting in 1997 The EPA placed requirements on how clean small engines are required to burn. As part of this restriction the carburetors are set at the factory. The carb then either has the adjustment ports capped or they use special adjustment screws so that the carb can only be adjusted by a tech trained in compliance with the EPA directives. The manufacture offers the special carb adjustment tools their authorized repair shops but not to the general public. The manufacture is liable to ensure that the equipment they sell complies with the EPA directive and therefore will typically not offer the adjustment tools for sale to the general public. You can learn more about the EPA emissions requirements for small engines at the following link...

http://www.epa.gov/otaq/consumer/f98025a.pdf

Before you adjust the carburetor you should determine why it needs adjustment first. A carb should only need adjustment when it is new and needs to be adjusted for altitude or after a carburetor rebuild has been performed. If a piece of equipment has been working fine and then starts acting up there will be more repair issues than a simple carb adjustment. The carburetor itself will not simply go out of adjustment. You will want to look at things like a tune up, a clogged carburetor, a plugged exhaust system, ignition problems, etc. Adjusting a carburetor requires some knowledge and experience with small engines. You can easily overheat and seize the engine if you are not familiar with the proper procedures. It is also a good idea to use an engine tachometer to be sure that you make the correct adjustments.

I hope this helps with the repair of your small engine!

-WJA
Question: Carburetor Kits

noonotyes

are there any kits avialable for these carbs 308054013
WJA
Hello noonotyes,

The cost of a carburetor kit would probably come close to the cost of the a new carburetor,part number 308054013. I would guess that is why the manufacture does not offer the kit. One other thing you might want to order the gasket for the carburetor depending on what model you have.

Hope this helps,
-WJA
Question: Handle

spake3

can i just order to yellow arm that operates the run and start button or has anyone got one off an old carb they cld send me
WJA
Hello spake3,

I think the choke lever you need is part number 518824001.

Hope that helps,
-WJA
Question: Ordered New Crb

lsuders

Does the Carb I ordered come with a new gasket? 308054013
WJA
Hello lsuders,

The 308054013 carburetor does not come with the 900994004 gasket. It would have to be ordered separate.

Hope this helps,
-WJA
Question: Clean Carb

delterra

the gas filter was laying in the bottom pf the tank, and have to keep the choke on to run probably dirt in carb do i need a gasket kit to clean
WJA
Hello delterra,

You may want clean your carburetor to see if this will help with your problem. Here is a link to an article and video that will help you with that. How to Clean a 2 Cycle Engine Carburetor.

Hope this helps,
-WJA
Question: Starves For Gas

sandytee525

I replaced the bulb and the fuel lines in my trimmer however it still runs for a short time (2 seconds) then runs out of gas. The bulb does not fill completely and quickly drains out any gas drawn into it. What could be the problem?
Probably a bad oil gas mix- use only 93 or 94 octane. Redo your gas oil mix "perfectly" exactly as oil mix label says...don't guess. drain the gas- push the bulb a couple times... clear it out. put in new gas- push the bulb a few times- start...keep pushing the bulb to push the new gas through. should smoke a little then should smooth out and run fine.
That reply did NOT answer the Question. I have the same problem. I replaced bulb also and still have prob and seeing you have changed the fuel lines (which i was thinking to do next. Thought it may be sucking air). I now have to go to the carborator. Dont think there is anything else left. I actually thought it may be the little black plug under the bulb releasing the fuel prematurely.
get a new carb... this new and improved gas with the ethanol tends to varnish and stop it up. if you cant get gas without ethanol, when done using pour remaining fuel out and run trimmer until it uses the fuel remaining in the carb and fuel lines.
Question: Carburetor

wookie58

just replaced carburetor on my trimmer and now the primer bubible fills but still no gas to start engine. Was I suppose to remove something from the carburetor
Question: Primer Bublble

ry30497193

Can you purchase the bubble without purchasing the carburetor also?
UtahAV
Ryobi does not offer a replacement for the primer bulb on this particular model. That said, it is a pretty common primer bulb. I have used the Ryobi bulb, part #561635001, on many different Ryobi carbs. So far I haven't found one that it didn't fit.

I hope this helps,

-UtahAV
-Mark
Home Depot has bulb replacements in three sizes.
A package of 3 different size bulbs costs @13 at true value. The whole carb costs @19. You decide.
UtahAV
Question: Level Bar

margaret

Hi margaret,

Unfortunately the manufacture does not offer the choke lever separate from the carburetor. The carburetor will need to be replaced. The carb is part #308054013.

I hope this helps,

-UtahAV
-Mark
Question: Carb. Fuel Adjustment

Tod Kilbourn

My SS30 runs only at FULL CHOKE. How do I adjust the High Speed Mixture Needle? It does not want to turn.
Hi Tod,

If your trimmer had previously run fine but now will only run with the choke on it will need more than just a simply adjustment. It sounds like the engine is not getting enough fuel. This will be caused by dirt or old gas clogging the carburetor. The first thing I would try is to remove the carburetor and thoroughly clean it with carburetor cleaner. If this doesn't work the next step would be to rebuild the carburetor but Ryobi does not offer rebuild kits for their carbs. In this case you would need to replace the carburetor. The new carburetor is part #308054013 and is available from http://www.ereplacementparts.com .

I hope this helps with your repair!

-Mark

Question: Carb Kit

anonymous

I need a carburetor repair kit please.
WJA
The manufacture does not supply a carburetor repair kit for this model. A new carburetor, part number 308054013 Carburetor would have to ordered. Or we have prepared an article and video on how to clean a 2 cycle carburetor. Here is a link to it.

How to Clean a Two Cycle Engine Carburetor

-WJA
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  • Easy repair. Part fit perfectly.
    The part was correct. Tutorial on carburator helped to ensure gas lines were attached correctly the first time.
    Guest - October 12, 2019 Verified Purchase
    Easy repair, stopped all gas leaks
    The part matched the old one and works great. My weed whacker now starts and runs well.
    Jacob - August 7, 2019 Verified Purchase
    Exact fit. Piece of cake!
    Taking off old part was two nuts and disconnecting the throttle cable. New carb was as easy as reversing the above steps. One caution however. These Ryobi carburetors require a special, large size Pac Man needle valve adjusting tool which is not part of standard assortments. I'm sure e-Replacement Parts stocks these but the product description should warn you to purchase the tool if you do not already have one specifically for Ryobi carbs. You WILL need it.
    Guest - June 24, 2019 Verified Purchase
    Easy to attach, but wouldn't work.
    The part number was correct but the weed eater did not start at all. It had started before the new part was added, but just wouldn't stay running.
    Guest - September 16, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Ryobi, Ridgid, Homelite
    Product Number: 308054013
    Classification: Part
    Weight: 0.29 lbs.
    Shipping: Ships Worldwide
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