The metal disc is part of the diaphragm. It is the part that makes contact with the metering lever. The metal disc should face down or toward the carburetor body. You are correct about the gasket. I'll admit it... I made a mistake. The diaphragm should be above the gasket. The proper reassembly order is, from carb body working out, gasket, diaphragm, cap. Sorry for the confusion. -Mark
@FIXTechGuides
12 жыл бұрын
We are glad we could help you even if you didn't need any parts for this repair. Our goal is to not only offer the best parts ordering website on the internet but to also offer as much repair help as we can to the DIY community. Thanks for watching, -Mark
@L2fish
9 жыл бұрын
I have cleaned a lot of these with no results until I started removing the screen and cleaning under it. Makes all the difference in the world. Small engine mechanic tipped me off on this. Bend a pin and grab the side of the screen. Comes out easy if your lucky and no damage.
@dnsmithnc
10 жыл бұрын
One thing I would additionally recommend is that you protect yourself from contact with the carb cleaner and, in fact, all similar chemical. They will have a cumulative negative impact on all bodily systems especially the kidneys, liver and nervous system. Moreover, they could possibly be carcinogenic and, like many carcinogens, the resulting cancer might not appear until decades later.
@phillipkramer6638
8 жыл бұрын
I am glad to see you mentioning the spring that loves to go flying. First time I took apart a dead carb to see what makes it tick that piece almost hit me in the face and I never found it in the garage again
@kilts4u2
6 жыл бұрын
As an added tip. . .I've found that I can use a thin sewing needle to physically go into the orifices and clean out any gunk that's been built up. . mainly from ethanol treated gasoline (which is a bad idea to use in carburetors). Quite often carb cleaner simply won't clean out these orifices totally. I spent a LOT of time going through the pangs of trying to get string trimmers and later, chain saws , running until I was schooled on the problems with ethanol additives. It's a major hassle. If you can get 100% gasoline, it's highly recommended that you use it in your 2 and 4 cycle engines. There's a class action lawsuit involving small engine builders against this gas. Unfortunately, it's often the only thing available. Nice video. Well stated.
@gregguettler5145
11 жыл бұрын
Great video - thanks for the information. Question: In section 130-150 of the video the removal layering of the diaphragm gasket would appear to be carb->gasket->diaphragm->cover. In section 733-745 of the video you show the reassembly as carb->diaphragm->gasket->cover. Does the order matter?
@dnsmithnc
10 жыл бұрын
A very well presented video but, I have went through this cleaning procedure and sometimes it just doesn't work. I even tried soaking the carb in carburetor cleaner for days. Didn't work. What finally did was taking a tip from a long time small engine mechanic Basically, after removing all rubber parts, you boil the carburetor in a strong solution of Tide detergent. Apparently, varnish can be so tough and plentiful that a little spraying or even soaking in carb cleaner just won't do any good. I even tried going through the portals with guitar wire as was suggested by one mechanic. When I got through boiling one carb that I was having problems with, after trying everything in this video and more, I ended up with a skim of something on top of the water which I took to be more varnish. Once put back on the engine, it ran like a top.
@FIXTechGuides
10 жыл бұрын
dnsmithnc Thank you for the advice and feedback! Always great to hear about people's repair experiences.
@JustinCrediblename
10 жыл бұрын
thank you. how strong of a solution?
@dnsmithnc
10 жыл бұрын
***** Justin, I just can't tell you exactly as I didn't take note of how much I put in. Maybe a couple of tablespoons, (not soup spoons) for a 1 1/2 quart pot. I can say that you need to have the Tide thoroughly dissolved before putting in the part. Also, make sure rubber or gasket parts are taken off. In addition, make sure the carburetor is thoroughly rinsed off after removing. The best way is transfer the carburetor to clean hot water, boil it for a for a minute or two then thoroughly rinse off with cool water as soon as you can. You want to make sure you don't leave any detergent in the carburetor as it will stop up the ports/passageways as well. Good luck.
@slk230red
11 жыл бұрын
Great video...My TroyBilt weed wacker wouldn't start so I followed your instructions and cleaned the carburetor. Voila, it started right up. So now that I felt confident, I pulled out my Craftsman blower that quit running last summer. When I removed the carburetor I noticed the fuel lines were cracked. I cleaned the carburetor, replaced the fuel lines and it wouldn't start. The cylinder sleeve was loose so I tightened it up and she fired right up. Thanks eReplacementParts,
@tysdad0113
11 жыл бұрын
thanks for the video Mark. Its very instructive to people like myself. It helps people like me that needs a little instruction on the simple repairs that drive me crazy every spring. Also I was told to use non-ethanol fuel at the local co-op to keep debri down in the carbs on my small engines.
@nkoenig4501
11 жыл бұрын
Tremendous resource. Detailed, clear, accurate and complete. Very professional. Thank you.
@edjuan8213
9 жыл бұрын
Does it matter if you flip flop the placement of the diaphragm? I noticed the butterfly metal of the thingy is facing you when you disassembled it but away from you when you put it back..
@samiches2008
8 жыл бұрын
That carb is a ZAMA C1U-H60D and a full rebuild kit is a ZAMA RB-29, which is commonly available from many online sources. Even the sponsor, E-Replacement Parts, sells them!
@walleyewilly8085
9 жыл бұрын
Nice video, It was fairly accurate except for the diaphragm gasket. You will also need to break the plastic anti tamper piece off the Hi and lo mixture screws and clean them. Just take note on how far they were turned out.
@phillric97
9 жыл бұрын
Ryobi generally use carbon copies of Zama carbs, in this instance I believe a set of diaphragms and gaskets are available for this carb under Zama part no. GND-18
@slonegan
13 жыл бұрын
Thank you! Had a Stihl FS 55R that wasn't working... came across this... demystified the process for me, and 30 minutes later it's running like new. Thanks again!
@FIXTechGuides
13 жыл бұрын
@LogosWins Thanks! I'm glad we where able to help you out. Good to hear that your trimmer is running again. -Mark
@nlimchua
10 жыл бұрын
Great presentation. Straightforward and to the point. No B.S. - I like it that way.
@twinhd6376
9 жыл бұрын
thanks for taking the time to help us folk who havent stripped a carb before,my lawn is back to normal, from down here in west wales uk
@MegaGuitman
9 жыл бұрын
I found that using a 12 gauge plain (not wound) guitar string will work cleaning the tiny holes..any gummy stuff in there away.
@johngivler4107
8 жыл бұрын
So helpful, thought with a Roybi trimmer for a weekend. Cleaning worked great!
@kennylewis1981
9 жыл бұрын
I love your videos. PLEASE keep them coming. May I ask why the adjusting screws (Hi and Low) were not also cleaned? A newbie.
@MrFreerideForever
12 жыл бұрын
Thanks brah. I got a Homelite 25cc trimmer that has exactly that carb on it & it only runs with the choke full on. Throttle has no effect & half choke or choke off stalls it. I disassembled the carb as much as in the video except I left the needle in & it looked fairly clean so I didn't clean it. I did take out that fine screen though (was easy to do) & it had some dirt in it. Not enough to plug it though.
@mkranc
11 жыл бұрын
I noticed that the high and low needles weren't removed for this cleaning. Isn't that required for a thorough cleaning? I believe that carb cleaner contains MEK which is highly carcinogenic, rapidly absorbed through the skin and is associated with liver cancer (hepatocellular carcinoma) with long term or repeated exposure.
@sudhapavanamam
8 жыл бұрын
I am the principal of Sri neelakanteswara ITi. These all videos are very very useful to our trainees
@barrypearson8449
8 жыл бұрын
Great video and well explained but failed to show checking and clean needle and arm level for correct fuel intake
@KendrickArnett
13 жыл бұрын
Great video, thanks for sharing it. I've got a 3 year old trimmer that purred along last year and won't start this season... and your videos should help me get it running again.
@smiloch
12 жыл бұрын
you might want to put a little call-out on the video at about 7:33 to bring attention to this error, as some people may not read the comments.
@joninrockies
9 жыл бұрын
Wonderful video, but there is no mention of disassembling or cleaning the mixture adjustment screws.
@HeavyboxesDIYMaster
11 жыл бұрын
At 7:29 ... It's my understanding it should be gasket first then diaphragm.
@FIXTechGuides
13 жыл бұрын
@MrFerrariman1 That is great! Glad we could help! Thanks for watching. -Mark
@country1998
12 жыл бұрын
Really a good video. Thanks for your effort in making it to help out those of us who can use all the help we can get.
@kidmedia1
9 жыл бұрын
Thank you SO much. someone gave me a multi tool engine and i watched your videos closley practicing on the engine the guy gave me. i've stripped it,cleaned it and now waiting for the new primer bulb to arrive so I can start the engine. Your videos are straitforward ,clear and helpful. I thank you for that,now i know a lot about 2 strokes in just few days. Happy :)
@annesteele9806
11 жыл бұрын
WHAT IF NO CARB CLEANER TO HAND? WOT DO I USE AND ALSO I HAVE NO PRIME BULB IS MINE THE THROTTLE PRIMER?? PLS HELP
@Leopena91
8 жыл бұрын
Hey mark I work at a lawn mower parts store and I came to realize that for the rhino carburetors the Zama carburetor kits with part number Gnd-12 or Gnd-18 have worked for my customers. Try it!
@adamandlorraine
12 жыл бұрын
Thanks this helped me fix a badly running chainsaw (clogged spark arrester screen) and a non starting strimmer. (new spark plug) clear and methodical instructions. Nice.
@justinjohnston8704
9 жыл бұрын
Is there a video of yours that explains how to adjust a carb without a tach? I've been trying and trying on this Stihl I have but just can't do it. I took it to the local shop they wanted four days! For a five minute job! I have the special flat end screw driver Stihl has to do it too. Thier factory settings of one turn out are fine if the saw just idles, but if I run the saw through one peice of wood it never idles down.
@FIXTechGuides
12 жыл бұрын
It sounds to me like one of the gaskets or the reed valves may have been reassembled upside down. This will block the carb passages, basically stopping fuel flow through the carb. I hope this helps, -Mark
@jddavis7683
Жыл бұрын
Thanks for taking the time for sharing the video. I did think it was intuitive and enjoyed watching.
@FIXTechGuides
Жыл бұрын
Glad it was helpful, thanks for watching!
@williamdonnelly8783
8 жыл бұрын
Thank you for the video showing how to service a small carburetor, the problem I have with mine is when I start it and let it warm up as soon as I try to speed up it just splutters and stops, I have sprayed carb cleaner in it but still no good, any help would be brilliant.
@extendedp1
8 жыл бұрын
my ryobi ss26 does the same thing. I was going to try and clean it, but maybe that isn't the problem. Did you get yours working?
@tylerhoffman7299
10 жыл бұрын
Does anyone notice how red his knuckle joints are? Be cautious if you want to keep healthy lungs, spray with adequate ventilation and outdoors preferably, try to contain drain off fluids if possible, if you want to keep your hands, wear chemical resistant gloves, and lastly invest the meager 1.88 for a pair of safety glasses to protect one of the two most vital assets you possess before using such chemicals as Acetone, Xylene. Toluene, Methyl Ethyl Ketone (MEK), Ethyl Benzene, 2-Butoxyethanol, and propane. Most of these 'ingredients' are present in carb cleaner. Take a moment to read and understand any labels. Cheers!
@jakbuji7981
8 жыл бұрын
Excellent video and instructions,very clear and easy way to get it right,and if one cannot follow this simple instructions,perhaps shouldn't touch the carb.
@FIXTechGuides
13 жыл бұрын
@slonegan That is great to hear! Glad we where able to help! -Mark
@geoffreyc-s1457
10 жыл бұрын
Excellent video, and was vey helpful in repairing the carburettor on my line trimmer! However, I must make a few comments. Always wear safety glasses when using compressed air, aerosol cans, or when disassembling springs. A spring may indeed "fly across the shop" and disappear, but it may also fly up and hit you in the eye. Compressed air (even at low pressure) can relocated dirt and debris into your eye with serious consequences. A good pair of safety glasses will cost you $5.00 so it is money well spent. Cheap disposable gloves are also a good idea when using cleaners or solvents! Otherwise, thanks for the tips.
@ItsMeScareCro
11 жыл бұрын
Both my weedeater and blower died on the same day. I'm thinking it might have been some bad gas/oil, but I switched to the trufuel to try it and it tries to fire a lot easier, but now is time to clean the carbs. Thanks for taking the time to make this video. Wish me luck! lol, damn it.
@jaker5555
9 жыл бұрын
Beautifully presented. Thank you. I wonder if it's possible to simply use the cleaner straight in the the fuel lines, without pulling it apart?
@tthoy7338
10 жыл бұрын
you should correct the video. On the side with the plate the gasket should be placed first on the carb body then the diaphragm.
@shazaidi
13 жыл бұрын
I have a troy built 2-cycle. The carburetor is Walbro. You can get an entire re-build kit with primer bulb from ebay for like 10 bucks. I just finished taking my carb apart and cleaning it. The fuel lines were deteriorted and the primer bulb was cracked.
@graggcain9496
10 жыл бұрын
I have a echo pb2100 leaf blower. It starts and runs but when I give it gas it boggs down but still runs. does the carb need to be cleaned? or is it in the idle screws. Gragg Cain
@nikolmarston9013
9 жыл бұрын
you need to adjust your carb while it's running, rev it out and adjust the carb screw should work : )
@shadovanish
11 жыл бұрын
Ryobi may not offer a rebuild kit for the carburetor, but the carb is probably made by Walbro (or some other carb mfg.), not Ryobi. Usually, the carb mfg. & model can be found on the carb body, which will allow for the proper rebuilt kit to be obtained. Most small engine shops have, or can get carb rebuild kits, or carb rebuild kits can be obtained from on line small engine suppliers.
@northernwoodsmen
10 жыл бұрын
Great video helped a lot but you might want to press the use of safety glasses when using carb cleaner it burns like hell when you get as much as the mist in your eyes so guys and gals use safety glasses again great video thanks my unit runs great.
@edwardflores9969
9 жыл бұрын
FYI...Wear your PPE's when doing instruction videos. Just in case, your PPE's are your Personal Protective Equipment such as nitrile gloves and safety glasses when handling chemicals and blowing off chemicals with compressed air.
@FIXTechGuides
13 жыл бұрын
@MrFerrariman1 Glad you found our video helpful! -Mark
@BuckChoklitt
13 жыл бұрын
Hey Mark, I just followed this video and got my Ryobi running again--but now it will only run at full choke, and it runs at full RPM. Any ideas for me?
@patmac
11 жыл бұрын
I have been running 100low lead aviation gas in my 2 strokes for years.. Never a problem if carbs are clean to start w/ and proper maint is maintained.
@Z71Ranger
11 жыл бұрын
You need to correct this video.The diaphragm gasket goes on first then the diaphragm then the cover plate. No way the engine will run the way you have it now. I think you got it mixed up with the reed valve. It goes reed valve, gasket then plate.Other than that the video is great.
@bellerve201
14 жыл бұрын
on the inlet where the gas line connects to the carby, just shoot some compressed air into it and the little screen will come out. then just push it back in when it is clean. also, carburator cleaner can ruin the pieces as i have found out the hard way
@MrGameengineer
8 жыл бұрын
This was so helpful thank you so much. I have a Ryobi SS26 and the carburetor is very similar to what you show.
@MrD50boy
11 жыл бұрын
I'll be doing this over the weekend! My Ryobi CS30 will only run after being primed... as soon as I give it throttle, it will bog down and run slower and slower then die. I'm guessing that carb is gunked up.
@MrD50boy
11 жыл бұрын
I'll be doing this over the weekend! My ryobi CS30 will only run after being primed... as soon as I give it throttle, it will bog down and run slower and slower and die.
@1HBPlayer
12 жыл бұрын
No problem at all. Thanks for clarifying. And mostly, thanks for the video! By now I have actually found documentation on my Zama carb. Re-assembly is no longer an issue. Turns out my problem was hi/lo adjustment screws. So now it's clean and working great!
@boilersrock1
11 жыл бұрын
Thanks for posting this! I happen to have a Ryobi weed trimmer as well, so this video works perfectly for me.
@toddfromplainfieldil1116
11 жыл бұрын
Thanks for the video. Just helped me clean the Carb on my Craftsman line trimmer.
@ryanmckenna5254
10 жыл бұрын
Maximum Power Equipment had several kits in stock
@tavo2163
12 жыл бұрын
Hey sorry, I have a trimmer incorporating a carburetor equal to samples, the problem is that when you turn off the engine accelerated, alludes me want to keep it stable.
@mracca
8 жыл бұрын
Thank you for the video. You instructions were clean and the video was good.
@Timbone1343
12 жыл бұрын
I will watch the videos you have a few more times. One thing I noticed is that my carb does not have the white/red/black plastic piece on it like yours does under the choke lever.
@wildflowr
10 жыл бұрын
AWESOME!!!!! Thank you so much for this video! I just cleaned my first 2 stroke carburetor ....... SUCCESSFULLY!!!! :)
@tmdaexhibits
13 жыл бұрын
Thanks for this. I've got a Sears bushwacker with stalling problems. I bet this will fix it.
@MrFreerideForever
12 жыл бұрын
I'm wondering about adjustment. What are the white & red plastic things for? The manual says to take it to a service center for adjustment with the symptoms my trimmer has. My best guess is that they set the hi & lo at the factory & put those plastic things over top to keep it that way. I got the trimmer from my aunt who said it's barely been used, but they bought it 6-7 years ago. Since I found dirt in the screen, maybe it just needs a cleanout? Is that more likely than needing adjustment?
@BernieL1
11 жыл бұрын
My 2 stroke troy would not start. Wasted time changing lines and filter. Watched video, do as Mark says. Make sure to clean the small screen found on the carb. It is usually clogged and that is the problem for not starting. Ethanol found in gas clogs the small holes and lines so I now use the pre mix which has no ethanol. Mark thanks much, mazeltov.
@superwaffanator
8 жыл бұрын
Outstanding video! Thanks for the effort. It is very helpful!
@dvddale111
6 жыл бұрын
On some carbs gasket is underneath, on others it's on top of diaphragm, depends on make model year etc.
@tskipwadoo3447
8 жыл бұрын
I did all of this. I changed the plug, air filter and gas too. My Stihl grass trimmer still won't start. So I bought a Dewalt battery grass trimmer, problem solved !
@shelbyob1
8 жыл бұрын
I agree, same thing, I would not buy another Ryobi product. They just dont last more than a season or two.
@frankhoward7645
7 жыл бұрын
Ryobi engines, just like most other small engines don't last more than a season or two because they collect debris in the small orifices in the carb. Cleaning them is an intregral part of maintainence.
@EvilPumaDotCom
12 жыл бұрын
I got something similar. 33cc 2 stroke scooter engine someone put on a bike, I bought the mount and motor thye had setup. Engine was a pain to run on the fuel they left me in the rigged gas can. I did notice some junk in it and in the fuel lines. Some junk in the bulb. It runs like a beast till warm, carb dirty or spark?
@KhanivorUS
11 жыл бұрын
Did you reconnect the fuel lines to the right inlets? Try swapping them around!
@AmoureuseTouti
13 жыл бұрын
Thanks for sharing all the trick and technique. Is there a place to order a pump assembly for Troy Bilt 2200 PSI pressure washer? My output pipe is cracked so the water is leaking out like crazy, as the result I probably get about 50% pressure on the wand. Thanks. Tom
@carlosestrada3107
11 жыл бұрын
Hi Mark, awesome video I followed the steps and actually ended rebuilding my carburetor. So I finally got to turn on, but it will stay on only with the choke engaged. When I give it gas, the choke disengages and engine will accelerate erratically and then shuts off. Any thoughts
@williamdonnelly8783
8 жыл бұрын
Hello Bubba I have stripped the carburetor like you said and I still have the same problem will run but will not increase speed as soon as I try it just splutters and stops, I have been in touch with the supplier and they seem to think it is a problem with the factory setting on the carburetor but am still waiting on a reply as I may have to replace the carburetor, will let you know outcome, thanks once again.
@okejee3455
12 жыл бұрын
To be safe, could you put the unit in a Ziplock bag when removing and replacing the needle assembly? Or loosely wrap it in plastic wrap. That way, you could see what you are doing but if the spring got loose, it wouldn't fly across the room.
@duanefuller5419
8 жыл бұрын
Hi, I have a older craftsman chainsaw. I installed new carb and fuel line and filter but getting no fuel to carb. Thanks.
@DaveSender66
11 жыл бұрын
Good work. You present the information well. You don't speak to fast and you sound good. Do you have any e-books available going into detail about the how and why of your trade?
@jeangodefroy2180
8 жыл бұрын
Merci. Très bien expliqué et belle vidéo.
@kewlbug
11 жыл бұрын
just randomly stumbled on this video. I bet you can put any of the walbro carburators for go peds on there. all those engines are 23-29cc. Looks like the same bolt pattern, Or even use their rebuild kits if the one in this video is a Walbro. It sure looks like one.
@MrMikeds
12 жыл бұрын
On the prime bulb base is there check valves in those two holes?
@garyleedwb
12 жыл бұрын
I have a Troy Bilt string trimmer, It will only run with the choke at 1/2 if I open it all the way it bogs..... does this sound like a dirty carb? it's fairly new.
@jeffreydivito8441
9 жыл бұрын
Question Mr. Mark.... my 25cc blower made a one knock noise when on full throttle normal operation, sputtered and quit. I clean the carb, changed the plug and muff and bought new premixed fuel.... still a no start.... the one knock and stop.... what do you think?.... no engine seizing or imbalance either
@sheilamoatts8848
11 жыл бұрын
The diaphragm and diaphramm gasket were put back on the carbirator in the wrong order.
@rv6eric
12 жыл бұрын
I was having problems with my Ryobi CS26. I could start it & as soon as the choke goes off it stalls. Watched your video and decided to give it a try. Discovered my fuel filter had fallen off so ran to Home Depot and got fuel line replacement kit. Took carb apart, cleaned it and reassembled. Put in new spark plug. Put it back together and it starts (as it did before) but as soon as I pull throttle & release which turns the choke off, the engine stalls same as before. Frustrating! Any ideas?
@chackett99
11 жыл бұрын
Around 5:18 in your video you clean the 'head' piece or the part of the carb where the primer bulb attaches and does it's work. I did the same procedure but now, the primer bulb will not perform it's function, and if I try and run the engine, the primer bulb will collapse. Is it possible there are one way valves inside some of those little holes, and spraying cleaner in the 'wrong' direction could cause one of those to become stuck? Where else should I look for fuel flow problems? Thanks!
@melaniecuracao
10 жыл бұрын
This is a GREAT Tutorial. Thank you. However,, after cleaning (with carb cleaner in ALL the little holes) it still doesn't run.. It started for 2 secs and then died.. It was running normally before.. but I stupidly enough stored it with gas in the the tank.. We replaced all the tubes (there was gum in there) as well as the filter.. One think that I noticed that the priming bulb does not pop back when priming.. So I guess somewhere a valve stucked or connection still blocked.. Any suggestions will be greatly appreciated !!!!!
@Gears.and.Gadgets
9 жыл бұрын
Under the primer bulb and plate of your carb you'll find a small screen inside of a hole. I've found that screen plugged up many times when the primer bulb behaves like that. Clean that screen out with carb cleaner.
@theslimed2013
11 жыл бұрын
Is it possible that if you put the gasket and the Diaphragm on backwards, you can have throttle issues?
@rollerdoors
10 жыл бұрын
Look People - the gasket was stuck to the cover plate on removal. This means it goes on just BEFORE the cover plate assembly, NOT before the diaphragm.
@Timbone1343
12 жыл бұрын
I have a SST25 weed eater. It would start but stall as soon as I let the throttle all the way out. I tried to adjust the carb but it was not enough. So i tried this cleaning process. I used Brake Clean instead of carb cleaner because I didn't have any and they work the same in my experience. Now when I prime it, fills the bulb and then the bulb becomes hard to depress any more. It tried to start RIGHT after I cleaned it and now it won't even kick over a few times. I'm stuck. Did I ruin my carb?
@edrhyan5352
9 жыл бұрын
Is the lack of carb rebuild kits still true 4 years later for Royobi
@josevillanueva9705
Жыл бұрын
My carburetor diaphragm broke, would I have to replace it so it could work?
@leslieparra9874
8 жыл бұрын
e replament keep up the good work your are doing a good job
@mehdy782005
8 жыл бұрын
Thank you so much for the good videos 😎
@Growla
6 жыл бұрын
All your videos are very well done. Thank you.
@Italia543
12 жыл бұрын
Hey i have the same carb on my homelite 25cc weedwacker and the only way it runs is if i switch the choke from full to half every second simotaniously what do u think that problem is?
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