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Echo SRM-225 Trimmer. This model replaced the SRM-210. The most common repairs for this device are straight forward and can be done quickly.

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SRM 225 - runs for 20-30 minutes - once hot stalls out HELP

Replaced carb, fuel lines, fuel filer, checked spark arrestor, use true fuel only - I am baffled

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Hello, I am using true fuel and have since I bought this trimmer. The stalling and stopping sounds like it is having a hard time getting gas. It will start right up after is stalls out. I will disassemble and check for cleanliness but it is impeccably clean last I was in there rebuilding things.

Air leaking into the case via where? What about the ignition coil? I have read in other forums this is symptomatic of a failing ignition coil. Will tear it apart this weekend and let you know what I find.

Thanks

из

Air leaks @ cylinder base gasket. These engines have a plastic casing on the backside. Look at the parts diagram. Two gaskets & two crank seals.

Rebuild ??? how old is it ?

Best trimmer, ever, was a Honda 4-cycle.

из

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@louis56 when you rebuilt the carb did you by chance reroute the fuel line so it is closer to the exhaust ? This sounds like as the engine gets hotter the power goes away and this can happen if the fuel is vaporized in the fuel lines . Just something you might want to check . Hope this helps

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Moved the air intake hose it seemed to stay whole longer while running - When it started to cut off today I tilted the trimmer to one side and the bog down stopped. It still died but I am thinking of all the fuel lines again and the fuel filters to be replaced . Thanks for the advice.

из

I have an srm-2400 echo weed eater and it does the same thing, were you ever able to fix it? I lean it over so that the gas is tilted to the gas cap and it will keep running, tilt it the other way and it'll die.

из

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We are missing the most important pieces of info; sound & smell.

We must assume the fuel/oil mix is correct. Regular 2-cycle oil should show small wisps of smoke as you pull the trigger. The hotter it gets, the smaller the wisps. If you cannot see the exhaust, it is not being lubricated. Add more oil.

Once it stalls & stops. Does it still have good compression ?

Can you remove the muffler and easily blow thru it ? No back-pressure allowed.

While its apart, is the exhaust port sooty ? Clogged ? Can you see the piston rings ?

Was the compression weak when it stopped ? Drop a bit of heavy oil onto the piston rings, then slowly crank the engine. At each revolution, the compression should increase.

Further steps will entail dis-assembly.

Look for air leaking into the crankcase which leans the fuel mixture. Broken clutch springs, bad bearings, bushings, plugged gascap, and such problems, all add to the strain on the little engine.

Please let us know what you find.

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machine is very clean and has been totally overhauled, filters plug hoses etc. I only use true fuel as it is quick and easy. Thanks for the help

из

Does this machine have a rock-heavy pickup in the gas tank ? Is it free to flop around ? Remove the fuel line at the carb, loosen the gas cap, and blow the fuel line back into the tank. It should offer resistance until you force the fuel back to the tank. Then it should bubble just like a aquarium air bubbler.

из

You mean the filter Tom?I will check this next. Yes it is free to flop around but it may be an issue - Thanks again and I will keep you posted

из

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Carb Adjustment solved my problem - Funny they say you cant adjust these but I found out you can and need to - Please view video showing you how to get to adjustment screw - Thanks everybody who helped with many ideas and suggestions -

https://www.youtube.com/watch?v=81OinDUO...

Louis

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I had this issue. Found that the fuel line was collapsing in the tank after engine had been running and got warmed up. Replaced fuel line assembly to fix the problem.

из

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Had the same problem. Put in a new coil. Voila. Life is good again. Cost of coil $65.00. Cost of new machine in PA with tax - $339.00 Warning: Echo really jerked the parts vendor around. Kept stalling on their shipping date, found a guy who had the part in hand. If I waited on Echo, Christmas would get here first. It’s not a hard job.

Disconnect Wiring

Disconnect throttle cable

Remove the really long screw that tightens the collar that holds the drive shaft housing.

Pull out the drive shaft housing.

Separate the engine from the cowling that holds drive shaft, and there the coil will be.

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My echo weed eater runs but at.full throttle muffler get hot and glows red hot can you run without muffler

из

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Had similar issue where my arm 225 would suddenly stop working after 20 - 30 minutes of flawless operation. After much effort and pulling out my hair. I started to notice a shock would zap me as it cut out. Turns out since I sweat a lot my sweat was getting into the handle where the throttle and the on off switch is. The sweat would get on the connections for the switch and complete the circuit to shut down the machine and keeping it from cranking until it dried up. That's why it would always start the next day or after a decent drive down the highway. I tried multiple ways to keep my sweat out of the handle with limited success. I finally settled on this fix and this is still how I run it 2 trouble free years later. I disconnected the wires to the on off switch. Problem solved!!! Just the off side though. I do have to pull the choke all the way closed to shut the machine off now but that kills it fast as the switch did. Recrank is not a problem. For the price you can't beat these string trimmers. That's the only issue I've had out of mine In 3 years up till today when the driveshaft snapped or twisted of on the trimming end for some reason. Hope this helps someone.

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Wow I bet you stink with all that sweat

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Louis будет вечно благодарен.
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