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Ryobi Hedge Trimmer Throttle Control Replacement #518902001

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This video provides step-by-step instructions for replacing the throttle control (or throttle trigger) on Ryobi hedge trimmers. The most common reason for replacing the throttle control is if the engine doesn’t rev up when you pull the trigger.

All of the information in this throttle control replacement video is applicable to the following brands: Ryobi

Tools used: T20 Torx head screwdriver, T25 Torx head screwdriver, needle-nose pliers, clamp

Step By Step Instructions

1
Before you replace the throttle trigger on your hedge trimmer first make sure the engine has cooled.
2
Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
Now remove all of the screws holding the handle base and cover together.
4
Carefully remove the handle cover and use a clamp to secure the handle base to the gear box assembly.
5
Lift the old throttle trigger out of the handle base and detach it from the throttle cable.
6
Remove the trigger spring.
7
Install the new throttle trigger by first attaching the throttle cable to the new trigger.
8
Move the on-off switch out of the way then align the spring on the trigger and position the trigger in the handle base until it is fully seated.
9
Reposition the on-off switch.
10
Make sure the throttle cable is inserted into the groove in the handle base then carefully remove the clamp, support the base and realign the handle cover.
11
Replace the screws.
12
Be aware, you will need to thread the larger screws through the nuts to secure.
13
Reattach the wire and boot to the spark plug and your hedge trimmer should be ready for use.
Description
This video provides step-by-step instructions for replacing the throttle control (or throttle trigger) on Ryobi hedge trimmers. The most common reason for replacing the throttle control is if the engine doesn’t rev up when you pull the trigger.

All of the information in this throttle control replacement video is applicable to the following brands: Ryobi

Tools used: T20 Torx head screwdriver, T25 Torx head screwdriver, needle-nose pliers, clamp
Step-By-Step Instructions
1
Before you replace the throttle trigger on your hedge trimmer first make sure the engine has cooled.
2
Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
Now remove all of the screws holding the handle base and cover together.
4
Carefully remove the handle cover and use a clamp to secure the handle base to the gear box assembly.
5
Lift the old throttle trigger out of the handle base and detach it from the throttle cable.
6
Remove the trigger spring.
7
Install the new throttle trigger by first attaching the throttle cable to the new trigger.
8
Move the on-off switch out of the way then align the spring on the trigger and position the trigger in the handle base until it is fully seated.
9
Reposition the on-off switch.
10
Make sure the throttle cable is inserted into the groove in the handle base then carefully remove the clamp, support the base and realign the handle cover.
11
Replace the screws.
12
Be aware, you will need to thread the larger screws through the nuts to secure.
13
Reattach the wire and boot to the spark plug and your hedge trimmer should be ready for use.

Applicable Product Model

Parts Needed
Total$0.00

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