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Flywheel Key 591757
This part 591757 is compatible with:
- Product Type:
- Lawn Mower, Small Engine
- Brands:
- Simplicity, Briggs & Stratton
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Flywheel Key Customer Reviews
Common Problems Fixed by the Flywheel Key
Based on customer reports and repair data, this part commonly fixes these issues:
About the Flywheel Key
The flywheel key might have sheared in half. The flywheel key is a small metal piece which fits into the crankshaft and engages with the flywheel. If the engine stops suddenly, the flywheel key breaks in half to prevent damage to the engine. To determine if the flywheel key is broken, remove the flywheel from the engine and inspect the flywheel key. If the flywheel key is broken, replace it.
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