Trimmer
Echo SRM-225
2-Stroke
The Echo SRM-225 is a 21.2cc 2-stroke straight-shaft trimmer and one of the most widely used commercial trimmers in North America, standard equipment on landscaping crews across the US. Despite modest displacement, the SRM-225 delivers reliable power for production grass and light brush trimming and is known for durability under daily commercial conditions. It runs a Zama carburetor. Under commercial use, monthly fuel system service (primer bulb, filter, lines) and seasonal spark plug replacement are routine. The SRM-225's dominance in the landscaping market means large aftermarket parts availability from multiple suppliers.
Spark Plug
OEM90023Y(0.6mm gap)Also fits SRM-230, SRM-210
| Brand | Part # | |
|---|---|---|
| Champion | CJ8Y | Buy on Amazon → |
| NGK | BPM8Y | Buy on Amazon → |
Air Filter
OEMA226000050Also fits SRM-210, SRM-230
| Brand | Part # | |
|---|---|---|
| Stens | 605-263 | Buy on Amazon → |
Fuel Filter
OEMA369000100In-tank pickup filter; fits most Echo chainsaws and trimmers
| Brand | Part # | |
|---|---|---|
| Stens | 610-009 | Buy on Amazon → |
Carburetor
OEM12520005562Zama C1U-K52; 21.2cc engine
| Brand | Part # | |
|---|---|---|
| Zama | C1U-K52 | Buy on Amazon → |
Recoil Starter
OEMA180000880Also fits SRM-210, SRM-230
| Brand | Part # |
|---|
Primer Bulb
OEM12318139130
| Brand | Part # | |
|---|---|---|
| Zama | BG-00-4 | Buy on Amazon → |
Fuel Line Kit
OEMV471001471Includes fuel pickup line and return line
| Brand | Part # | |
|---|---|---|
| Stens | 115-530 | Buy on Amazon → |
Trimmer Head
OEM99944200903Speed-Feed 400; bump-feed
| Brand | Part # | |
|---|---|---|
| Oregon | 55-256 | Buy on Amazon → |
Trimmer Line
OEM(.080" diameter, round)
| Brand | Part # | |
|---|---|---|
| Oregon | 22-895 | Buy on Amazon → |
| Arnold | 490-080-0100 | Buy on Amazon → |