Trimmer Repair - Replacing the Ignition Coil (Ryobi Part # 850080001) 

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This particular ignition coil is specific to Ryobi manufactured brands, including Ryobi and Homelite. To find an ignition coil specific to your model, visit eReplacementParts.com.
If your string trimmer is showing any of these symptoms; replacing the ignition coil could solve your problem:
1) Engine shuts off randomly
2) Engine runs intermittently
3) Engine dies during use (when hot)
4) Engine will not restart when hot
5) Engine won’t stay running
eReplacementParts.com part number: 850080001
Tools used for this repair/replacement:
1) Torx / Phillip’s drivers
2) Long-nosed pliers
3) Standard screwdriver
4) Hammer
5) Ignition air gapping gauge
Get model-specific repair help from eReplacementParts.com. Learn how to troubleshoot, diagnose and repair your power tools and equipment with illustrated instructions, hundreds of step-by-step repair videos, and our DIY forum. If you have a power tool or appliance problem, we can help.
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