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Ryobi Hedge Trimmer Won't Start? Ignition Coil #850108002

This video provides step-by-step instructions for replacing the ignition coil on Ryobi and Homelite hedge trimmers. The most common reason for replacing the ignition coil is when the trimmer won’t start and the ignition coil proves to be at fault.

All of the information in this ignition coil replacement video is applicable to the following brands: Ryobi, Homelite

Tools used: T25 Torx bit, spark plug wrench, clutch tool, rope, T20 Torx bit, needle-nose pliers, business card
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Ignition Coil and Spark Plug Testing:

Ignition Coil and Spark Plug Testing

How your hedge trimmer works:

How It Works: Hedge Trimmer
For additional repair advice and help finding your model number visit the repair help section of our website: Hedge Trimmer repair help