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Multiple models matched. Select your model to confirm fit.

Camshaft

Valve spring retainer

Collet

Rod-push

Rod-push (intake)

Valve cap

Breather Reed

Arm-rocker

Retainer-valve spring

Fan-flywheel

Rod-push (exhaust)

Cylinder head. If the cylinder head gaskets are worn out, the engine may not start.

Valve retainer

Air Vane Arm

Breather
Ensure your Lawn Boy mower's peak performance with genuine OEM Lawn Mower engine parts from Repair Clinic. Our extensive inventory of replacement Lawn Mower parts guarantees a precise fit for every Lawn Boy model, helping you maintain the manufacturer's warranty. Frequent challenges like a hard-to-start engine can often be resolved by replacing the spark plug or cleaning a clogged carburetor. We provide comprehensive resources to troubleshoot common issues, so you can confidently tackle any repair. Whether you need to address a rough-running engine or a mower that stalls, our parts and expert guidance are here to assist. Shop for replacement Lawn Equipment Parts and enjoy same-day shipping to get your mower back in action swiftly. For other necessary components, explore our selection of Lawn Boy Lawn Mower Parts and take advantage of our expertise and genuine OEM parts.
Finding the right engine parts for your Lawn Boy lawn mower is essential for maintaining its performance and longevity. Here are some common questions and answers to help guide you through repairs and replacements.
First, disconnect the spark plug wire and use a spark plug wrench to remove the old plug. Check the gap on the new plug, install it, and reconnect the wire. Ensure the mower is off and cool before beginning.
A rough-running engine may be due to a dirty carburetor, clogged air filter, or bad spark plug. Clean the carburetor, replace the air filter, and inspect the spark plug. Replacing these components can often resolve the issue.
If your mower won't start, check the fuel system for blockages, inspect the spark plug for wear, and ensure the battery is charged. Cleaning the carburetor and replacing a faulty spark plug can also be effective solutions.
Repair Clinic offers a wide selection of Lawn Equipment Parts to keep your lawn mower running smoothly. Explore our Lawn Mower Spark Plug Parts for more options.


Keep your Lawn Boy lawn mower in peak condition with genuine OEM engine parts from Repair Clinic. Replacing worn engine components ensures your mower runs efficiently and reliably, preventing unexpected breakdowns. Use our model number lookup to find the exact Lawn Boy engine part you need. With same-day shipping, No-Hassle 365-Day Returns, and a Price Match Guarantee, online ordering is convenient and stress-free. For troubleshooting and installation guidance, visit our Lawn Mower Repair Help page. Explore additional Lawn Mower Spring Parts for comprehensive repairs.
Locating the model number of your Lawn Boy lawn mower is essential to find the right engine parts for repair or replacement. Typically, the model number can be found on a sticker or metal plate on the mower's engine housing. This number ensures you order the correct Lawn Mower parts online and avoid compatibility issues. When looking for Lawn Boy engine replacement parts, enter the model or part number to easily find what you need. For common problems like a lawn mower that won't start or runs rough, check the carburetor or spark plug, as these can often be the culprits. Regular maintenance and replacing worn parts can keep your mower running efficiently. To explore more parts for your Lawn Mower needs, visit our page on Lawn Mower Switch Parts for additional options.
Get dedicated support for finding Lawn Mower engine parts at Repair Clinic. Our customer service team is available seven days a week, offering live chat to assist you with any questions. Easily locate the exact replacement part by entering your Lawn Mower's model or part number. Enjoy our price match guarantee on genuine OEM parts, ensuring you get the best deal. We support DIYers and professionals with troubleshooting tips like checking battery connections if your Lawn Mower's battery keeps dying, or inspecting the blade control cable if the blades won't engage. Plus, with our no-hassle 365-day returns, you can shop confidently. Remember to check our Lawn Mower Repair Help section for repair guides and videos. Count on us for expert troubleshooting assistance and easy online ordering of Lawn Mower engine parts.

Repair Clinic has five ways for you to stop your lawn mower from leaking gas. Before we get to those, let's review how the gasoline you pour into the tank powers the mower.

Why does your lawn mower battery keep dying? Repair Clinic has done the research and this article will provide some answers, starting with what a battery's purpose is on a gas-powered lawn mower.

What's causing that black smoke to billow out of the engine? There are three likely reasons and they are all related to how a gas-powered lawn mower engine operates.