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Knob-Star 5/16-18

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Knob handle.

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T-knob.new rope guide

Knob

Knob

Knob

Knob

Knob

Handle knob
Ensure your Lawn Boy String Trimmer operates smoothly with genuine OEM knob replacements from Repair Clinic. Our selection of Lawn Boy String Trimmer knob replacements guarantees a precise fit, maintaining your equipment's performance and the manufacturer's warranty. Whether you need to replace a worn-out adjustment knob or a damaged throttle knob, find the perfect genuine OEM String Trimmer parts for your specific model. Replacement weed eater parts are crucial for optimal operation, and our inventory is designed to meet these needs. For more comprehensive String Trimmer repair parts, visit our replacement parts page or explore Murray String Trimmer Parts for additional options. Trust Repair Clinic for all your weed wacker parts needs, ensuring easy and efficient DIY repairs.
String trimmers are essential for maintaining neat and tidy lawns. For those using Lawn Boy models, understanding how to replace and maintain string trimmer knobs is crucial. Here, we address common questions about replacing these parts.
To replace the knob, first turn off and unplug the trimmer. Remove the old knob by unscrewing it counterclockwise. Align the new knob and screw it in clockwise until secure. Ensure it is tightly fastened to avoid any operational issues.
You can find genuine Lawn Boy string trimmer parts at Repair Clinic, a trusted retailer for outdoor power equipment parts. They offer a wide range of replacement parts, including knobs, with a price match guarantee and 365-day return policy.
If your trimmer won't start, check the spark plug, carburetor, air filter, and fuel. Replace the spark plug and air filter if necessary, clean or rebuild the carburetor, and ensure the fuel is fresh. For further assistance, visit Ryobi String Trimmer Motor Parts for more detailed solutions.


Ensure your Lawn Boy string trimmer is in top condition by ordering replacement knobs online. Whether you need to replace a lost or damaged knob, finding the right part is quick with our model and part number lookup. Enjoy the convenience of same-day shipping and the confidence of our No-Hassle 365-Day Returns and Price Match Guarantee. Common issues like a loose or missing trimmer knob can be easily fixed with our selection of genuine replacement parts. Don't let a minor part keep you from maintaining your lawn. For more assistance, explore our String Trimmer Repair Help section for troubleshooting and repair guides.
To ensure you purchase the correct replacement parts, such as knobs for your Lawn Boy string trimmer, you'll need to locate the model number. This number is typically found on a label or plate on the trimmer's shaft or housing. With the model number, you can easily access the right replacement parts online, ensuring a perfect fit for your repair needs. Common issues like a trimmer head that won't spin can often be resolved by replacing worn parts like knobs or the drive shaft. If you need additional parts like spark plugs, visit our String Trimmer Spark Plug Parts page for more options.

At Repair Clinic, our dedicated customer service team is here to assist you with all your string trimmer knob replacement needs. With live chat support available seven days a week, finding the right string trimmer parts has never been easier. Use our model/part number lookup tool to quickly locate the exact replacement part you need. If you encounter problems like your string trimmer head not spinning, it could be due to a faulty clutch or drive shaft, both easily fixable with genuine OEM parts. Enjoy our no-hassle 365-day returns and price match guarantee for the best deals online. Explore our DIY-friendly repair guides and videos available in the String Trimmer Repair Help section. If you need assistance, reach out to us anytime – our expert troubleshooting support is ready to ensure your equipment runs smoothly. Visit Repair Clinic today and order your string trimmer parts with confidence!

Learn the correct way to replace your string trimmer line for optimal performance. Follow these simple steps to ensure smooth trimming and prevent frustrating tangles or breakage.

Is your string trimmer head not spinning? Common causes include a worn drive shaft, faulty clutch, broken trimmer head, or tangled line. Diagnose and fix the issue with these expert tips.

A faulty spark plug can cause engine misfires, hard starts, rough idling, or power loss. Learn how to recognize bad spark plug symptoms and when to replace them for smooth operation.