Einhell
Unstable Governor Operation
Engine surges up and down at no load, hunting RPM
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Dirty carburetor idle circuit, Weak or stretched governor spring, Binding throttle linkage, Air leak at intake manifold
How to Fix / Troubleshooting
Safety first: Stop the engine before adjusting linkages.
- Clean idle jet: Remove and clean the carburetor idle jet and passages with carb cleaner.
- Inspect governor spring: Replace any stretched or corroded governor springs with Einhell originals.
- Lubricate linkage: Lightly lubricate throttle and governor pivot points to ensure smooth movement.
- Check intake gaskets: Spray a small amount of carb cleaner around the intake manifold while the engine runs; if RPM changes, there is an air leak and the gasket should be replaced.
Fine governor adjustments should follow the Einhell service procedure to maintain correct frequency.
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Repair Difficulty
Medium
3/5
Required Part
Einhell Governor Linkage and Spring Kit
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