21.2cc Easy-Starting Gas Straight Shaft String Trimmer
Echo SRM-225I

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A Speed-Feed head and i-75 starter technology.

Part/Model NumberSRM-225I
Fuel Capacity14.2 fl. oz.
Warranty (consumer)5 years
Warranty (commercial)2 years
Engine Displacement21.2cc
Shaft Length59"
Dry Weight11.7 lbs. (without cutting head or shield) / 12 lbs. (with cutting head and shield)
Shaft TypeStraight
Starting Systemi-75
Cutting HeadSpeed-Feed 400
Cutting Swath17"
ShieldStandard SRM
Drive Shaft4-Layer Cable
Nylon Line.095" Cross-Fire
  • 21.2 cc professional-grade, 2-stroke engine for outstanding performance
  • 59" straight shaft
  • i-75 starting system for reduced effort starting
  • Speed-Feed trimmer head reloads in seconds without disassembly
  • Engine vibration-reduction system for operator comfort