You may have to keep the throttle open a bit. Most of the above comments were made by folks who had never really experienced this problem and were offering, good and heartfelt answers, but they were wrong answers. The carburetor might be clogged. See if anything comes out of it. Thank you so much! Definitely very helpful and I appreciate the detailed answers, L Pfaff. If there is no spark, this indicates that the spark plug is defective and should be replaced. Add more oil. Don't use gasoline containing ethanol, it plugs carburetor jets. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. I sprayed the jets but the clog must have been in the fuel line. I did not make any adjustments to the carburetor. You should see a strong spark between the tester’s terminals when the engine is cranking. Fully press and release the primer bulb 10 times, then try starting again. 2nd spark arrester screen plugged, remove and clean the muffler and screen and check exhaust port for carbon accumulation, scrape port clean while holding with port position down or use vacuum so debri will not fall in cylinder when cleaning(carbon debri could harm cylinder walls and rings). SRM-210/SERIAL: S65311001001-S65311999999, SRM-210/SERIAL: S72812001001-S72812999999, SRM-210/SERIAL: S80313001001-S80313999999, SRM-210I/SERIAL: S65411001001-S65411999999, SRM-210I/SERIAL: S72912001001-S72912999999, SRM-210SB/SERIAL: S65511001001-S65511999999, SRM-210SB/SERIAL: S73012001001-S73012999999, SRM-210SB/SERIAL: S80513001001-S80513999999, SRM-210U/SERIAL: S67111001001-S67111999999, SRM-210U/SERIAL: S74612001001-S74612999999, SRM-210U/SERIAL: S82113001001-S82113999999, SRM-225/SERIAL: S04011001001-S04011999999, SRM-225/SERIAL: S89312001001-S89312999999, SRM-225/SERIAL: S89413001001-S89413999999, SRM-225/SERIAL: S94726001001-S94726999999. When you pull the starter rope, tabs extending from the pulley and cam should grab the hub on the engine, causing the engine to turn. My lawn mower was doing this. Just because it looks clean, doesn't mean it is. @estepario. Finally I put the intake hose in my mouth and blew and sucked on it. Slowly turn in the low speed jet, until it starts to die, then back it out another 1/4 to 1/2 turn. To determine if the spark plug is defective, use a spark plug tester. Carburetors on these things are notoriously finicky. I don't know why my exhaust port was so oily and I thought too much fuel was getting through initially, but that was not the case. I've actually watched all 4 of these videos today, but will review them to see if I may have missed something. The Echo is now running smoothly. Still a no go. I checked the plug, not dirty at all. ... but it would get stuck and become very hard to turn. If the recoil starter pulley is broken, replace it. I have replaced the plug, removed and cleaned the carb. The two-cycle engine that runs your string trimmer needs three things to operate smoothly: clean fuel, air circulation and a spark. We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right. Adjusted the carb. The … If that doesn't work, move the choke lever to half choke and pull the starter rope, 6 times maximum, to start the engine. As a result, the engine won't start. This spring I bought some new gas and added 10 yr old Castrol Super Oil. There is a wide range of complementary Accessories and Parts available for your string trimmer. @mrjimphelps. The problem is the thing refuses to start after you shut it off hot. 2. If it starts now it revs up and down on ch … read more Lakeside53. had the exact same problem: idling like crap then when I pulled accelerator lever it would conk out almost every time. Use a can of spray carb cleaner to make sure all the passages are clean. I bought new gas and mixed in some Seafoam gas treatment. I know this sounds a bit vague, but just take the carb completely apart and spray the cleaner into every hole / passage. All in all, in my limited garden power tools experience, I like the ECHO trimmer despite the current troubles. I will clean/scrape/vaccuum exhaust port and check diaphragms more closely, and if I can find adjustment screws for jets, I will try them as well. To do this, use an ohmmeter and turn the switch off and on. The recoil starter assembly engages the crankshaft to turn over the engine. I appreciate the quick reply L Pfaff. I have one question concerning the high and low jets- honestly, I don't know where they are on this SRM-225. The one thing I do notice is an accumulation of grease/oil near the exhaust. I love detailed answers. Amaxwell Reply With Quote. I recently replaced fuel line and filter (Echo 90097 kit) and still, no better. My ECHO SRM-225 starts on cold setting but dies out soon after, sometimes one to three minutes, sometimes just a few seconds. Already ordered? Rinse and squeeze it various times to get out all the remaining water and soap in the pores. Tried priming, not priming etc. Remove the starter assembly and inspect it to determine if it is working properly. Inside the main metal part of the carb you'll see a number of tiny holes on the sides, make sure all of them are unclogged (liquid should come out of them when you spray into a corresponding hole in the carb). $100K answer to … If I removed the gas filter and blew and sucked on the line first, I would not have to go through disassemling the muffler and carburetor. When you release the rope, the tabs should retract and the rope should rewind back on the pulley. I've messed with a million and 1 of these echo 225’s and it's just out of set. Now she is running without bogging down and idling okay. Your answers are anything but vague. Joined Dec 25, 2004 Messages 24,802 Location Woodinville, WA. It could be one of these common issues: 1. It was the cap for me and wasn't getting the full power and oil leaked so I replaced the carb for $15 Amazon and cap, runs like new. I checked the spark arrestor screen (it was clean) though I did not invert to vaccuum out any possible debris. The other 58V Echo tools, such as the leaf blower, hedge trimmer, and chain saw, use the same battery system. We are missing the most important pieces of info; sound & smell. It's unlikely the diaphragm needs to be replaced, but it is likely that one of the tiny little passages is clogged. lots of smoke for a bit, but running like a champ. I had the same issue, oily exhaust port and bog down/stall on acceleration. Enter model number to search for the required part specific to your product, Browse our parts categories to select from a variety of parts for your product. It's 110% the hidden fuel mixture screw. If the rewind spring is broken, replace it. I will be back on to let you know how things are progressing and mention the solution. © 2021 iFixit — Licensed under Creative Commons — Privacy — It should perform with little or no visible smoke coming from the exhaust. Did you prime the engine? Is the fuel in your tank stale, or improperly mixed? I have been using TRuFuel 50:1 with no problems for months until now.I checked … Start doing it yourself with the confidence that comes with 100+ years of experience. Inspect the spark plug for signs of wear or damage. These passages are so incredibly small, it's impossible to tell by looking if they are clean or not. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! There is a hidden fuel mixture screw right below the primer bulb that usually needs loosened and that almost always fixes the bog down problem with those particular weed eaters…, This fixed my issue on a pas 225 that had light use last season was put up without fuel in it each time nothing wrong with the carb nothing blocking the screen on the exhaust, 04/09/2020 by Is defective, use the same battery system the exact same problem idling! Low speed jet, until it starts to die, then try again! Stihl are the only trimmers i will buy trying to start the engine oil was culprit! The throttle open a bit vague, but will review them to see if i to! Location SC trimmer: wo n't start know how things are gas venting... S terminals when the engine won ’ t effective, rebuild or replace the spark plug is,... I may have missed something had to replace the spark plug, removed and cleaned the carb apart... 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