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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 90080000609
Bearing

Part #90080000609

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

Bolt 5x25 (2) 90014205025
#26

Crankcase/fan housing/cover diagram

Bolt 5x25 (2)

Part #90014205025

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

Ignition Switch 16340155630
#4

Drive shaft/handles/throttle diagram

Ignition switch

Part #16340155630

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

Bracket Assembly (includes Items 28-35) 61060156730
#27

Drive shaft/handles/throttle diagram

Bracket assembly (includes items 28-35)

Part #61060156730

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

Spanner 8 X 10 89511200330
Spanner 8 x 10

Part #89511200330

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

Lawn & Garden Equipment Nut 21041752730
#7

Intake/exhaust/air filter diagram

Lawn & garden equipment nut

Part #21041752730

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

Clutch Drum 17500548930
#17

Crankcase/fan housing/cover diagram

Clutch drum

Part #17500548930

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

Brand Label 89011849130
#17

Starter/ignition/clutch/fuel system diagram

Brand label

Part #89011849130

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

Muffler Lid 14587642030
#19

Intake/exhaust/air filter diagram

Muffler lid

Part #14587642030

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 …

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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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