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Echo SRM-261S - User Manual

Echo SRM-261S
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Grass Trimmer/Brush Cutter
Operator's Manual
MODELS, SRM - 261
SRM - 261S
Serial Number 002001001 & Up
WARNING DANGER
Read rules for safe operation and instructions carefully. ECHO provides an
Operator's Manual and a Safety Manual. Both must be read and understood for
proper and safe operation. Failure to do so could result in serous injury.
X7502094301
X750001181
06/01

Questions and Answers

  • W
    Wendy CaseyAug 11, 2025
    What to do if my Echo SRM-261S Trimmer engine cranks but won't start?
    • M
      Michael NicholsAug 12, 2025
      If the Echo Trimmer engine cranks but doesn't receive fuel at the carburetor, clean it. If there's no fuel at the cylinder, or if the muffler is wet with fuel, consult your ECHO dealer. Also, if there's no spark at the end of the plug wire, ensure the switch is on and consult your ECHO dealer.
  • S
    simmonsjamesAug 18, 2025
    Why is my Echo SRM-261S engine hard to start?
    • D
      David HannaAug 18, 2025
      If your Echo Trimmer engine is hard to start, several factors could be the cause. It could be due to a clogged fuel strainer or fuel line, which would require cleaning or replacement. Alternatively, the fuel mixture might be too rich, in which case you should open the choke, clean or replace the air filter, or adjust the carburetor. Other potential issues include no spark (turn switch to ON), incorrect spark gap (adjust to .65mm or 0.026 in.), a carbon-covered or fuel-fouled spark plug (clean or replace), or a defective spark plug (replace the plug).
  • K
    kleinsierraAug 27, 2025
    Why is my Echo SRM-261S Trimmer engine running poorly?
    • H
      Haley CherryAug 27, 2025
      If the Echo Trimmer engine is running poorly, check the following: the air filter (clean or replace), the fuel filter (replace), the fuel vent (replace), the spark plug (clean and adjust/replace), the cooling system (adjust) and the spark arrestor screen (clean).
  • D
    debra71Sep 2, 2025
    What to do if my Echo Trimmer engine runs, but dies?
    • J
      Justin SmithSep 2, 2025
      If your Echo Trimmer engine runs but dies or doesn't accelerate properly, consider these potential causes: a dirty air filter (clean or replace), a dirty fuel filter (replace), or a plugged fuel vent (clean or replace). Also, check for a dirty or worn spark plug (clean and adjust or replace). Improper carburetor adjustment may also be the reason (adjust it). Excessive dirt or debris (clean) or a cracked, plugged, or perforated screen (replace) could also be the cause.

Echo SRM-261S Specifications

General IconGeneral
Engine Displacement25.4 cc
Engine Type2-stroke
Start Systemi-30™ starting system
Cutting Width17 inches (43 cm)
Line Diameter0.095 inches (2.4 mm)
Shaft TypeStraight shaft

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