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Echo
Gas Line Trimmer

Model # SRM-2100SB Official Echo trimmer/brushcutter

Here are the diagrams and repair parts for Official Echo SRM-2100SB trimmer/brushcutter, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 223 parts  |
Spark Plug 15901010630
#3

Starter/ignition/clutch/fuel system diagram

Spark plug

Part #15901010630

Replaced by #6703

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Manufacturer substitution
This part replaces 15901010630. Substitute parts can look different from the original.
This item is not returnable
$5.29
In Stock
Bearing, Ball 609 90080400609
#14

Optional pe gear housing diagram

Bearing, ball 609

Part #90080400609

The manufacturer no longer makes this part, and there's no substitute part

Gasket 13001042032
Gasket

Part #13001042032

The manufacturer no longer makes this part, and there's no substitute part

Caution Label 89016052630
#35

Optional pe gear housing diagram

Caution label

Part #89016052630

The manufacturer no longer makes this part, and there's no substitute part

Nozzle, Check Valve 12537649030
#33

Carburetor diagram

Nozzle, check valve

Part #12537649030

The manufacturer no longer makes this part, and there's no substitute part

Housing Assembly, D. Shaft (lower -srm)(includes Items 41 & 42) 61020654130
#40

Drive shaft/handles/throttle diagram

Housing assembly, d. shaft (lower -srm)(includes items 41 & 42)

Part #61020654130

The manufacturer no longer makes this part, and there's no substitute part

Screw 5x25 90024205025
#8

Drive shaft/handles/throttle diagram

Screw 5x25

Part #90024205025

The manufacturer no longer makes this part, and there's no substitute part

Gasket/diaphragm Kit 12530349030
#B

Carburetor diagram

Gasket/diaphragm kit

Part #12530349030

The manufacturer no longer makes this part, and there's no substitute part

Cap, Lo Speed Limiter 12532909860
Cap, lo speed limiter

Part #12532909860

The manufacturer no longer makes this part, and there's no substitute part

Line Trimmer Fuel Line Grommet 13211546730
#24

Starter/ignition/clutch/fuel system diagram

Line trimmer fuel line grommet

Part #13211546730

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

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Why does my gas line trimmer leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

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Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

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How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

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Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

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Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

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Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

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How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…

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How to tune up a grass line trimmer video

How to tune up a grass line trimmer video

Tune of your grass line trimmer, following the steps in this video.…

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