Echo Zama Carburetor Hidden Hi Jet Screw




What do you think about this video?

Reiko Takahashi: Couldnt get the brass insert out. Blasted the inside with carb cleaner and adjusted under full throttle. Works great nowl Thx

Galatians: Thanks much for showing this information. Now my blower is running at top performance.

evanhall27: I KNEW that sucker was hidden somewhere in there!! After completely taking the carburetor apart and cleaning it 3 times, new spark plug, new fuel, new fuel filter, checking spark arrestor, etc.. I knew all along that it had to be something to clean or adjust under that little piece of black plastic..I was just afraid to mess with it! Btw, it didn't work after I cleaned the jet and put it back in because I only 'snugged' it up..and after messing with it and it not starting I decided to tighten it even more and boom! Fired right up and ran better than before. .Thank you so much!!

foreverwood1963: Double wide 6 thank you I just took this carb apart and said to my self man this carb looks different it helped a lot. My hedge trimmer would bog down when trying to rev it up and now it revs up fine, BUT.... Mysteriously now it won't idle I have been beating my brains trying to figure out why. It always idled well and all I did was clean the carb and adjust the needle. It idled right before I took it apart and I know that it's been placed back correctly. I'm puzzled

Dn Twn Bro: Haven't run across this problem yet but when one comes in I will know how to fix it. Thank you

patrick cordery: hey that was coo, i need help i cant seem to ges to my primer builb on weed eater fl1500 ive cleaned it and still nothing its a zama carb 530071629 can you help me thanks 

patrick cordery: im sorry i cant seem to get any gas in the primer builb 

Donald Timpanaro: Thanks for video, i didn't have to take out my jet and clean. My blower was new I was able to adjust set screw and fix with a tuning. Runs better than factory setting now.

montee79: Worked for me too thanks much man !!!!!

David Norris: I don't know if anyone else has mentioned it, but go down to the welding supply joint and get a torch tip cleaner kit....perfect for these diameters and cheap

Don McPherson: Thought there was something hidden in there. Time to fix it. 

Donald Timpanaro: My machine needed the screw backed out about 2- or 3 turns after snugging it in,

Kevin Emerick: Thank you sir!!! Been looking for this video and explanation all over... Us DIY'ers really appreciate your insight.

foreverwood1963: Thanks double wide I've never seen that. I do have an echo that can't be adjusted, but I've yet to ever clean that one. This was excellent info

grutubevideos: This solved my problem with my Echo PB 250 LN blower. I first checked the spark arrestor since that was another common issue, but there was no blockage there. For the blower, i was able to remove the adjuster plug with the carburetor still loosely attached to the blower. You'll need a Torx T25 or preferably T27 to loosen air filter/carburetor assembly then remove the fuel bulb assembly and you can access the plug. I didn't use a drill but simply used a small regular screwdriver to ream the brass plastic assembly till it came out. I removed the fuel needle valve and ran a wire from a wire brush through it to make sure it was clear. Reinstall the needle valve all the way and back out 1/2 turn. Reattach the fuel bulb assembly to the carb and the retighten the air cleaner/carburetor assembly. Started right up and adjusted the fuel mixture at full throttle. Good luck!

brotharuss: All I can say is...echo dealers must hate you tube. 40,000 views x $50 bucks is a lot of carb money they missed out on. Tip for all - You can use a pick if your not comfortable with a drill to get the plastic insert out. 

kaleibob: I was about to give up then I found this video. I took that damn thing apart 6 times and couldnt figure it out. had a little debris in the set screw and all seems well. thanks for the info

Armando Pulgaron: Thank you so much for this post. You saved me from having to buy a new carb, or a new machine. When the pe-225 edger stopped running, I determined the problem was the fuel system. I thought easy" just clean the carb, throw a carb repair kit on it, check the filters, we're done. Wrong! I was not happy. It still pointed to fuel but i checked everything including exhaust for blockage, every thing. I must have tore that carb down 10 times, wondering why it would not run. Till I saw your video. thanks so much. Now it runs like a monster. Until now I thought that unit was under powered. It was probably not set right from the factory. It was always feeble. Thanks again.

on a mission: thank you dude

gary stiles: THANK YOU!!!!! Now how much other stuff don't I know?

Calvon Bowden: Thanks that was a great guide!!

David Donaldson: Worked for me! Mine was idling fine but would sputter out once you gave it throttle. I did the rebuild and it didn't help. Then I took out the jet and cleaned it and it got much better. Last, I backed out the jet a turn or so and it ran perfectly! The trimmer was only about a year old! The jet didn't look clogged but cleaning it made all the difference. Thanks!!!

Ric Barnett: Got my PB 250 blower running right again. Thanks a lot! With the jet fully seated, it wasn't quite right, so played around a bit and settled at 3/4 turns out.

doccpu7: Sweet and helpful vid Butttt bit boring. Also the cylinder is plastic so after a while the little wheel eats the track and it runs leaner. Sad. the echos used to run forever. Now the plastic is so soft a lot of throttle action will wear out the ramp on the cylinder. So dont do a lot of revving.

Jeff Poppe: This did the trick. I bought my Echo srm 225 trimmer last spring and when i pulled it out of hibernation this year it was bogging really bad. Thanks for this video!

Stefan Granhaug: thanks man you just saved me 40 bucks on a new carb.

MrReynolds560: These trimmers are notorious for getting carbon clogs in the exhaust ports. That is the first thing I check on mine if it acts up.

Kalkaekie: Very helpful ! Thanks !

Harry Pappas: does this help my blower when it bog or run half speed th dw

Peter Goltzman: Thanks. That did the trick for me. I was surprised at just how tiny the hole on the bottom of the screw was. I was afraid the fine wire I stuck up in there would break off inside. It's no wonder it gets clogged. Any how without someone telling me about it, I would have never figured it out. Thanks again.

blosom2315: my trimmer would only run on choke. I did this and now it wont run at all. thanks. i'm sure I just voided the warranty too.

Troyvidihoo: Thank you man, I been frustrated with this model carb several times and now see where I failed to notice this deceitful little feature! Appreciate your efforts and insights!

Maxwell Smart: I will add my big thank you as well! That's the only video I could find that reveals that "secret" and the only way that I could get my trimmer running again. Great job.

bsox67: My buddy has an echo backpack that is running ok..Starts and runs fine and throttles up ok.. He says it just doesn't have quite the power it used to have. Before i rip it apart, would this be a potential problem for lack of full power? Thank you

wcjcnc: Well damn it!!! I have an Echo trimmer with this exact same carburetor and I've replaced the entire fuel line assembly and carb kit and it still won't run right. It will crank but it won't throttle up. This has to be what's wrong with it. THANK YOU!!!! 

Marc Heritier: Suggestion for wire ; use a 10/1000 inch (top E ) guitar string . It works perfectly.

Drew Speirs: Hi Double Wide 6, great video. How about the echo pas 265?? Does this have a similar screw?? Much appreciated video!!

James Lauer: Just want to say thanks it worked great

wcjcnc: I adjusted this screw out just half a turn and the trimmer runs great! Finally! The screw/jet is really snug so I don't think it will turn on it's own. I was ready to smash that trimmer against a tree. lol 

Keith McDaniel: My Echo trimmer would only run at idol with the choke full on and would stall out when I pressed the throttle. Cleaning the jet with a piece of wire from a wire brush fixed the trimmer and it now runs like new. Thanks!! 

wcjcnc: I cleaned this jet screw out but my trimmer still won't run. Are you sure it needs to be snugged up when reinstalled? Wondering if adjusting it will make a difference. I had a Tecumseh carb on a post hole digger once with a screw kind of like this that I read should be snugged up when installed but I turned it out just a bit and it made a difference. Thanks for the vid!

Victor Schlapper: Take an electric wire conector,or a but wire conector, the ones with the plastic sleve on them, check several and you will find one that slips over the non-adjusting screw. Or screws with special ends. Use it to adjust the low and high speed screws. or www.youtube.com/watch?v=R9zGGrCP_C0

David Thorne: thanks man....big help! Is that a piece of plastic on the kitchen table I see ... hope your old lady knows what a gentlemen you are ... that's worth some points man! DirtBoy32

dtrain138: 2 months later, but yes. I'm about to go to the shop for some fuel lines. My dad cut the bulb and the dealer said that''s an old-school fix thing, but this machine doesn't work like that so now it's not the blb, so I hope it's the fuel line. If not, I'm going to try some other things. I'll try to find you if I happen to fix it somehow. On mine, you can kinda hear air coming out somewhere. Good luck...and let me know if you fix it first. Thx

mark Farrer: your the man i bought a echo sr230 for 40 bucks... it would idle but would allow me to give it gas.. i took it apart and it did nothing.. i did what you said to do and wallah it worked.. i had just ordered a new carb tonight. i was able to cancel the order.. you just saved me 40 bucks thanks again

Jay: Anyone else have the issue where you push the primer bowl an gas flows backwards out the air intake? Can't seem to fix this issue . it's been a few years now

zamarro94luigi: Luigi Marro

biron foster: dude it worked i need a phone number and adress to sent you 20$ money order

joe fishman: you do have to replace the carb you have no choice the carb is a piece of crap now there is another adjustment did you know that ?

baileyslip: Hi again, I just gotta say of all the videos that I have watched no one says anything about the two line connection on the primer base ASSY, as the fuel side on mine is clear, but the other one the primer side on mine is cloged.... It's a zama also. Thanks again for any help.

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Echo Zama Carburetor hidden Hi jet screw 4.9 out of 5

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Echo Zama Carburetor hidden Hi jet screw