Generator Engine Bogs Under Load - Excessive Governor Droop / Governor Replacement

I recently rebuilt this 458cc Champion engine after dropping a valve. The repaired engine ran well, but soon realized that the engine was bogging excessively under load. Although the governor is working, the droop is twice what it should be. Adjusting the sensitivity made no difference. The governor gear and weights were inspected during the rebuild and appeared to be in good condition.. Maybe I missed something. Lets dig in and find out what is wrong with the governor system.

Generator Model: 201035
Engine (458cc): R460N-VP

Champion Rebuild Video Series:
Champion Generator Engine Locked Up After 1 Year - Fixed (part 1):    • Champion Generator Engine Locked Up After ...  
Like New 80s Powermate Found in Garage (part 2):    • Like New 80s Powermate Found in Garage  
Champion Duel Fuel Generator Engine Rebuild (part 3):    • Champion 458cc Engine Rebuild - Duel Fuel ...  
Generator Engine Bogs Under Load - Excessive Governor Droop (part 4): (this video)    • Generator Engine Bogs Under Load - Excessi...  

Governor Gear Assembly: 6400-Z100110-0000
Governor Spring: 16063-Z0D0110-0100

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