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Video & Articles: Appliance & Equipment RepairRyobi String Trimmer Starter Cup Replacement #308004003 
Ryobi String Trimmer Starter Cup Replacement #308004003
Total Parts Cost
$NaN02:55
- Description
This video provides step-by-step instructions for replacing the starter cup 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 starter cup in your string trimmer, make sure the engine has 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.
4
Detach the ignition coil wire from the spark plug.
5
Use a 3/4 inch socket or a dedicated spark plug wrench to help unthread the plug.
6
Now confirm the engine piston is in the down position.
7
Then insert a cord into the cylinder to prevent the piston from moving.
8
You can now use channel lock pliers to help unthread the old starter cup counterclockwise to remove.
9
Install the new starter cup by threading it clockwise onto the crankshaft, then tighten.
10
Remove the cord from the cylinder and rethread the spark plug.
11
Be careful not to strip the threads by overtightening.
12
Reattach the ignition coil wire to the plug.
13
Reposition the recoil starter on the engine assembly, making sure the recoil pulley engages with the starter pawl.
14
Thread the screws to secure.
15
The larger screws go on the bottom.
Description
This video provides step-by-step instructions for replacing the starter cup 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 starter cup in your string trimmer, make sure the engine has 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.
4
Detach the ignition coil wire from the spark plug.
5
Use a 3/4 inch socket or a dedicated spark plug wrench to help unthread the plug.
6
Now confirm the engine piston is in the down position.
7
Then insert a cord into the cylinder to prevent the piston from moving.
8
You can now use channel lock pliers to help unthread the old starter cup counterclockwise to remove.
9
Install the new starter cup by threading it clockwise onto the crankshaft, then tighten.
10
Remove the cord from the cylinder and rethread the spark plug.
11
Be careful not to strip the threads by overtightening.
12
Reattach the ignition coil wire to the plug.
13
Reposition the recoil starter on the engine assembly, making sure the recoil pulley engages with the starter pawl.
14
Thread the screws to secure.
15
The larger screws go on the bottom.
Applicable Product Model
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