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Echo HCA2500 Engine cuts out on acceleration. Exhaust arrestor clean, air filter clean

Posted by Anonymous on

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 133 Answers

SOURCE: LACK OF POWER

Maybe get some carb and choke cleaner and clean the carb really well. It might have some varnish in the little holes that the fuel moves through. If you take the carb apart to clean it make sure you get a rebuild kit so you can replace the paper gaskets and the diaphram.

Let me know if this helps.
Thanks
roundo4

Posted on Aug 01, 2009

  • 26 Answers

SOURCE: cuts out on acceleration

if you have over 200 hours on this FS 80 then you may need a valve adjustment(yes this 2-stroke has valves). if you wanna try to do it yourself it should be set @ 0.1mm @TopDeadCenter. my advice is take it to any stihl dealer and let them do it. its scheduled maintenance

Posted on Feb 27, 2010

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SRM 2400 trimmer. Why doesn't it start?


Ralph, if you are getting fuel, spark and have compression , I suspect the muffler screen is plugged. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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ECHO SRM 2100 GRASS TRIMMER HAS NO POWER


For all others with String trimmers, blowers and other 2 stroke style engines...
If no power on high, tends to bog, won't run once choke off, check these:
  • Fuel Filter - It's IN the Gas tank; Just replace it
  • Spark Arrestor at Muffler, it's a screen that tends to clog up and causes very restricted exhaust flow
  • Spark Plug - again just replace it
  • Carburetor, clean or install rebuild kit
  • And adjust sorta hidden High/Low carburetor adjustment screws
Take a look here...

And here:

And one more...

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Her chee fun 50 scooter. when trying to accelerate the engine "dies". have had a new ecu and magneto fitted, carb stripped and cleaned, fuel tank drained and cleaned then filled with fresh fuel. when the...


Assuming everything is back toether properly and was not the problem the frst place, remove the exhaust pipe to expose the exhaust ports to ensure they are not carbon block. Also check the exhaust it self for a spark arrestor screen that could hve been carbon fouled and clogged. Cannot free flow because of the problems noted above, you will not be able to run a two-stroke engine reliably.

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Echo Weed Eater bogs down.


Echo carbs have a little black plastic plug covering the High speed adj screw..CA air pulotion control bs..So get that little black blug out and give the screw a little turn open and u should be good to go..It worked for me..on a PBL 251 blower..My Echo weed wacker has the carb also..Go to Echos site and download the parts break down for your unit and look at the carb page..You will see the plug and HS,screw..happing wacking and blowing

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Can't get my Echo PB251 Blower to rev up at all, unit is 8 mo.s old was running fine now all of a sudden won't rev up, I have changed plug gas filter,cleaned all filters including spark arrestor changed...


guarantee exhaust is clogged maybe not muffler but exhaust port pull muffler off check screen and muffler then look into exhaust port usually rectangular port is closed down with carbon pull starter slowly to lower piston then scrape out carbon with screwdriver clean as good as possible then blow cylinder out make sure to get all pieces of carbon out reassemble should run fine

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Your carburetor needs cleaned, or you need a new carb. kit. If you need tips on how best to do this, let me know.

Jim

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1 Answer

Engine won't accelerate on Echo PE269 edger


Hello rbronniman:

I Understand you have Cleaned the Exhaust Port, but Did you try Running the Engine with the Muffler Off the Unit?
Sometimes the Muffler or Spark Arrestor Screen can be Restricted Also.
If the Muffler and Spark Arrestor are Clear, then the Problem is Either Worn Rings, Bad Carburetor Mount Gasket, Improper Spark Plug Gap, the Carburetor Metering Jet is Not Operating Correctly or the Internal Carburetor Filter/Screen is Restricted and Requires Cleaning/Replacing.
To Correct this you need to Soak and Clean the Carburetor.
>>The Following is a Basic File I Made for Cleaning Carburetors. Any Input is Appreciated. Even though the Carburetor Looks Clean, the Internal Passages May be Restricted with Varnish that Gas Causes to Build Up over Time.
>>Spray Cleaners Remove this Varnish in Layers, so Soaking is the Only Sure Way to Remove ALL this Varnish.
>>I have Found that Most People can Use a Breakdown/IPL and Disassemble the Carburetor Enough for Proper Cleaning.
>>Remove Any Adjustment Screws that Go Into the Carburetor Body. The Welch Plugs Do Not have to be Removed.
>>If you are Able to Remove and Disassemble the Carburetor and Keep the Gaskets Intact, then Usually these Gaskets can be Reused. The Only Parts you May Need to Replace are the Needle Valve and Metering Pump Diaphram.
>>The Metering Jet Diaphram Dowl should Just be Touching the Metering Jet Actuator.
>>The Metering Jet is Under the Carburetor Plate with 4 Small Screws Holding the Cover Plate to the Carburetor Body.
>>Check the Internal Screen Filter for Restriction also.
>>If you Order a Kit, then Replace All the Old Components with the New Ones in the Kit even if the Old Parts Look Good.
>>Once Disassembled, then Soak the Carburetor Body and Parts in a 1 Gallon Can of Gunk Carburetor Cleaner Overnight. The Can has a Parts Tray Inside it for the Small Parts.
>>Once the Carburetor and Parts are in the Cleaner, you can Replace the Lid for Safety and to Prevent Accidental Spillage. Then Blow Out the Passages with Compressed Air.
>>***(Do Not Use High Pressure Air for the Zama Carburetors, they have Check Valves for the Primer and these are Usually Blown Out of the Carburetor if Not Careful. Allow the Zama Carburetor to Set on a Drip Pan and Dry)***.
>>****All the Carburetor Adjustments are the Same for Lawn Mower and Trimmers.
>>If the Main Air and Idle Air Mixture Screws are Side by Side on the Side of the Carburetor, then the Idle Air is Nearest the Engine.
>>****Turn the Idle Air and Main Air Mixture Screws In Until SNUG **Do Not Jam** Then Reverse Both Screws 1 1/2 Turns. Holding the Throttle Full Open, Start the Engine. Turn the Main Air Mixture Screw Clockwise Until Proper Revs are Obtained. Occasionally you May have to Turn this Counter Clockwise to Achieve the Proper Revs. Now Allow the Engine to Idle. Set the Engine Idle Screw (Not Idle Air) so the Engine will Stay Running if Required. Now Set the Idle Air Mixture Screw so there is No Hesitation when Throttling from Idle to Full Throttle. Reset the Engine Idle if Required.****
>>If you have Questions, Please Ask. The links above Provide Good Directions on Cleaning the Carburetor. Make sure you use an Compressed Air to Blow through all the Carburetor Passages to make sure they are Clear.
>>1- http://www.repairfaq.org/samnew/lmfaq/lmclctc.htm
>>2- http://www.cpdonline.com/692509.pdf .
Please, Do Not Hesitate, If you Hit a Snag or this Does Not Correct the Problem, I am Here if You Require More Assistance.
Hope this Helps. Let me Know What Happens, Please. May the All Mighty Bless You and Yours. Be Safe and Be Happy. Thanks.

Good Luck

Respectfully

jbridger (John)

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1 Answer

Motor not accelerate past idle, bogs down...


yes,check your spark arrestor screen in the muffler

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1 Answer

Engine wont run.Stihl 028 chainsaw.


Remove and clean the exhaust port, muffler and spark arrestor screen. Also clean the air filter.

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