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NGK Spark Plug (BPM8Y). The spark plug ignites the fuel and air mixture in the engine's cylinder to power the engine. If the spark plug is has fouled (if the tip of the spark plug is burnt or damaged), the engine may not start or may run rough.

Champion spark plug (RCJ6Y). The spark plug ignites the fuel and air mixture in the engine's cylinder to power the engine. If the spark plug is has fouled (if the tip of the spark plug is burnt or damaged), the engine may not start or may run rough.

MTD Spark Plug (794-0055A)

NGK Spark Plug, (BPMR7A) SOLID

Champion Spark Plug (RDJ7Y). The spark plug ignites the fuel and air mixture in the engine's cylinder to power the engine. If the spark plug is has fouled (if the tip of the spark plug is burnt or damaged), the engine may not start or may run rough.

Champion Spark Plug (RCJ8Y). The spark plug ignites the fuel and air mixture in the cylinder to power the engine. If the spark plug is burnt, fouled or damaged the engine may not start or may run rough.

Champion Spark Plug (RCJ7Y). The spark plug ignites the fuel and air mixture in the engine's cylinder to power the engine. If the spark plug is has fouled (if the tip of the spark plug is burnt or damaged), the engine may not start or may run rough.

NGK Spark Plug (BPM7Y)

Plug cover

Champion Spark Plug (RN4C)

NGK Spark Plug (BPMR6A)

NGK Spark Plug (CMR7H)

Champion Spark Plug (CJ8Y)

Champion Spark Plug (RCJ4)

NGK Spark Plug (BPR2ES)
The spark plug in your chainsaw is vital to its performance. A chainsaw relies on the spark plug to properly fire for the engine to start. If the spark plug fails to fire properly, it might cause issues with the chainsaw and, eventually, the gas-powered chainsaw won't start. You can remove the chainsaw spark plug to inspect it. Examine the spark plug for buildup and damage. If a spark plug is no longer in good condition, it should be pretty obvious. Please see our Chainsaw Repair Help and Troubleshooting section for more information on replacing your chainsaw's spark plug. Our chain saw repair section contains step-by-step directions and videos for replacing the spark plug on your chainsaw.
Repair Clinic has a comprehensive online catalog of replacement parts for your chainsaw with stock for all top brands. These are genuine OEM parts that are guaranteed to fit. Simply enter your chainsaw's model number in the search field at the top of this page to locate a matching spark plug for your chainsaw. Looking for a chainsaw spark plug supplier near you? All spark plugs and other chainsaw parts are in-stock and ready to ship the same day, right to your door. As a result, Repair Clinic is always nearby to deliver the lawn equipment part you require as soon as possible!
Chainsaw fuel lines can get clogged, causing the engine to lose power. To avoid this issue, try changing your spark plug as part of routine chainsaw maintenance. A good rule of thumb is to change the spark plugs in chainsaws every 100 hours of use. It is advisable to replace the spark plug before the engine fails to start.