This Generac GP7500e was purchased used in non-running condition. According to the seller, it only needed the fuel system cleaned. Once cleaned up and running it became clear the generator was not producing power. After running some diagnostics, it was determined the rotor was bad. Several months later a used generator head was located and installed. Electrical power was restored only to find about half the horse power was missing from this 14hp engine. The borescope revealed rust inside the engine and a wiped out cam lobe. The damage was sever and repair not practical. Fast forward a few months later and I was able to rebuild a comparable 420cc Generac Honda clone engine that can be swapped in. Will the rebuilt engine be able to pull the rated load of 7500 watts? Lets find out.

Ken's Small Engine Repair: @KensSmallEngineRepair
Ken's Video on this exact Generator:    • Generac Gp7500E spits exhaust out the...  

Below are links to the 4 videos in this GP7500e series. Each video is a complete standalone video. They build on each other and make more sense if watch in order.

Part 1: Generac GP7500E - No Power Output (Stator/Rotor Swap)    • Generac GP7500E - No Power Output (St...  
Part 2: Another Generac Generator Not Producing Power - Can We Fix It?    • Another Generac Generator Not Produci...  
Part 3: Generac Engine Rebuild - Wiped Camshaft Lobe    • Generac Engine Rebuild - Wiped Camsha...  
Part 4: Generac Engine Swap - (this video)

I no longer use Harbor Freight Super Heavy Duty Degreaser in my ultrasonic cleaner. Harbor Freight changed the recipe. The bottle previously stated "NON-CORROSIVE". Now it says "CORROSIVE", "do not user on Aluminum". It now damages most carburetors.

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