This generac engine will not run. It only backfires through the carburetor. In a previous video ( ) I confirmed that the exhaust valve was barly opening due to a worn cam lobe. Lets get the engine opened up and install the new camshaft. Generator Model: Camshaft: Generac 0G84420175 Gasket Kit: Ken's Small Engine Repair: @KensSmallEngineRepair Ken's Video on this exact Generator: 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) Part 2: Another Generac Generator Not Producing Power - Can We Fix It? Part 3: (this video) Part 4: Generac Engine Swap - Worn Engine/Down on Power 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. Visit My Amazon Store: 3M Roloc Bristle Brush: Dremel Wire Wheel: Dremel: Lisle 68100 Feeler Gauge: Permatex 81950 Engine Assembly Lube: Puller: Rotary 15344 Tachometer: Test Tank: Tachometer: Rotary 15344 Archer Digital Engine Tachometer ZDDP Additive: If you want to donate to the channel, you can use the YouTube "Super Thanks" feature or via PayPal: #GeneratorRepair #SmallEngineRepair #SmallEngine #DIY #Fixed #Troubleshooting #HowTo #Generac #HondaClone 420cc, Camshaft Lob Wear, Camshaft Failure, Camshaft, Engine Rebuild, Excessive Camshaft, Lobe Wear, Fixed, Flat Tappet, Flattened Cam, Follower, GP7500e, GX390, Generac, Generator, Glitter in Oil, Honda Clone, Honda, How To, How-To, Lift Table, Metal Shavings, Polish Journal, Repair, Rounded Cam, Small Engine, Timing Mark, Troubleshooting, Valve Adjustment