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Video & Articles: Appliance & Equipment RepairRyobi String Trimmer Muffler Assembly Replacement #300748043 
Ryobi String Trimmer Muffler Assembly Replacement #300748043
Total Parts Cost
$NaN03:35
- Description
This video provides step-by-step instructions for replacing the muffler assembly on a Ryobi string trimmer.
All of the information in this replacement video is applicable to the following brands: Ryobi
All of the information in this replacement video is applicable to the following brands: Ryobi
Step By Step Instructions
1
Before you replace the muffler assembly in your string trimmer, make sure the engine and muffler have cooled.
2
Use a T20 Torx bit to unthread the five screws securing the recoil starter assembly to the engine cover and engine.
3
Set the recoil starter aside and unthread the four front screws securing the engine cover.
4
With the screws unthreaded, separate the engine from the cover.
5
Using a T25 Torx bit, unthread the muffler assembly mounting bolts.
6
You can now remove the old muffler assembly from the heat shield.
7
Install the new muffler assembly by positioning it in the shield, aligning the gasket, and then inserting the mounting bolts.
8
Align the assembly on the engine, then thread and tighten the bolts.
9
Realign the engine assembly with the cover.
10
Rethread the screws in the front.
11
Reposition the recoil starter on the engine assembly, making sure the recoil pulley engages with the starter pawl.
12
Thread the screws to secure.
13
The larger screws go on the bottom.
Description
This video provides step-by-step instructions for replacing the muffler assembly on a Ryobi string trimmer.
All of the information in this replacement video is applicable to the following brands: Ryobi
All of the information in this replacement video is applicable to the following brands: Ryobi
Step-By-Step Instructions
1
Before you replace the muffler assembly in your string trimmer, make sure the engine and muffler have cooled.
2
Use a T20 Torx bit to unthread the five screws securing the recoil starter assembly to the engine cover and engine.
3
Set the recoil starter aside and unthread the four front screws securing the engine cover.
4
With the screws unthreaded, separate the engine from the cover.
5
Using a T25 Torx bit, unthread the muffler assembly mounting bolts.
6
You can now remove the old muffler assembly from the heat shield.
7
Install the new muffler assembly by positioning it in the shield, aligning the gasket, and then inserting the mounting bolts.
8
Align the assembly on the engine, then thread and tighten the bolts.
9
Realign the engine assembly with the cover.
10
Rethread the screws in the front.
11
Reposition the recoil starter on the engine assembly, making sure the recoil pulley engages with the starter pawl.
12
Thread the screws to secure.
13
The larger screws go on the bottom.
Applicable Product Model
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