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Description
25 310 09-S Governor Gear Kit Kohler – Genuine OEM Replacement Engine Part
The Kohler 25 310 09-S Governor Gear Kit is a genuine OEM replacement internal engine component designed for select Kohler small engines. This governor gear kit is essential for maintaining proper engine speed regulation by controlling throttle response under varying load conditions.
Commonly replaced during engine rebuilds, governor system repairs, or internal servicing, this OEM kit ensures correct fit, durability, and reliable engine performance in outdoor power equipment applications.
Product Details
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Manufacturer Part Number: 25 310 09-S
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Brand: Kohler
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Part Type: Governor Gear Kit
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Application: Engine Speed Control / Governor System
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OEM Status: Genuine Kohler OEM Replacement Part
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Condition: New
Function
The Kohler 25 310 09-S Governor Gear Kit is designed to:
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Regulate engine speed under load changes
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Maintain consistent RPM for safe operation
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Support smooth throttle response and performance
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Replace worn or damaged governor gear components
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Restore proper governor system operation during repairs
Compatibility
This OEM governor gear kit fits select Kohler small engine models commonly used in:
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Riding lawn mowers
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Lawn tractors
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Zero-turn mowers
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Commercial outdoor power equipment
⚠️ Always verify your engine model and specification number before ordering to ensure correct fitment.
Installation / Usage
The governor gear kit installs internally within the engine crankcase as part of the governor assembly. Replacement is recommended if:
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Engine surges or runs at inconsistent speed
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Governor gear is worn or damaged
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Performing an engine rebuild or major internal service
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Throttle control becomes unstable under load
For best results:
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Follow Kohler service manual procedures
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Inspect governor linkage components during installation
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Use only genuine Kohler OEM internal engine parts
Maintenance Tips
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Inspect governor components during major engine servicing
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Replace worn gears promptly to prevent speed control issues
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Maintain proper lubrication to reduce internal wear
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OEM parts ensure correct fit and long-term reliability
