Customer Questions and Answers for Flywheel Key by Tecumseh

The flywheel key, also called a woodruff key, is a rectangular key that holds the flywheel on the crankshaft. The key is what ensures that when the flywheel engages, it has a stable base so that it can rotate freely and securely. This key is durable, but it can often get lost during other repairs or be subject to impact damage. When the key is missing, the flywheel will come loose, and the engine will not be able to operate until it is fixed. The replacement of this flywheel key is fairly simple and only requires basic tools. Just remember to disconnect the spark plug before doing any work on the engine or its components. This flywheel key is manufactured by Oregon to exact OEM standards and designed for use with a variety of Tecumseh engines. It will work with lawn and garden equipment including lawn mowers, string trimmers, wood chippers, and other small engines by Craftsman, Toro, Tecumseh, Lawn Boy, MTD. This replacement part is made of durable metal and sold individually.