Oil and Fuel Spraying Out of Carburetor - What Would Cause This?

A subscriber Jay picked up this barn find Generac SE10000 Generator. He cleaned it up and got it running. His excitement was short lived. After about 30 seconds of running, oil and gas bubbled up out of the carburetor stalling the engine and soaking the air filter. Repeated attempts to run the engine resulted in the same issue. What could cause this issue? Engine Model: Subaru EH63 Generator Model SE10000 Oil Cap: 2636360203 263-63602-03 Air Filter: 26332610A1 263-32610-A1 Rocker Cover: 2461550101 246-15501-01 Rocker Cover Gasket: 2461600213 246-16002-13 Help support the channel by becoming a member: @jcondon1 Visit My Amazon Store: https://www.amazon.com/shop/jamescondon 45 Degree Needle Nose Pliers: https://amzn.to/45mmGSs Amprobe ACDC-52NAV: https://amzn.to/3vRgRy7 Battery: https://amzn.to/46IKpNv Compression Tester (Mityvac MV5530): https://amzn.to/3Qxld4E Feeler Gauge (Lisle 68100): https://amzn.to/4aY3gnm Fuel Line Pliers (Craftsman 47051): https://ebay.us/m/fA5Gfu Fuel Tank Bushing: https://amzn.to/4ejKQ2e Kill A Watt: https://amzn.to/3Ui8WTU Mityvac MV8500 Vacuum/Pressure Pump: https://amzn.to/47tY1eP Oscilloscope: https://amzn.to/3UkttqL Simple Green PRO HD: https://amzn.to/3UqsXGu Squeeze Bottle: https://amzn.to/4cW0GjF Tea Ball: https://amzn.to/4p90m64 Test Light (Lisle 28400): https://amzn.to/4bnMGAi Test Tank: https://amzn.to/3wi6DXG Ultrasonic Cleaner: https://amzn.to/4ct1eMy Tool Wishlist: https://www.amazon.com/hz/wishlist/ls... You can also support the channel through YouTube "Super Thanks" or via PayPal: https://www.paypal.com/paypalme/james... My sons Etsy 3D Print Shop: https://www.etsy.com/shop/3dPrintingB... 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. Recently I have been using Simple Green PRO HD with good results. #Generac #GeneratorRepair #Generator #SmallEngineRepair #SmallEngine #DIY #Fixed #Troubleshooting #HowTo Alternator, Battery Replacement, Blow By, Dirty Carburetor, EH63, EH64, EH65, EH72, Fixed, Flooding, Fuel Pump Diaphragm, Fuel Tank Bushing, Fuel in Oil, Gas in Oil, Generator Maintenance, Generator Not Working, Generator, Hertz, How To, How to Fix Generator, How-To, Leaking Fuel Tank, Load Test, Oil Coming Out of Carburetor, Oil From Breather, Oil Pressure Test, Portable Generator Repair, Power Quality, Pressure Test, Rebuild, Repair, Robin Subaru, Robin, Small Engine Repair, Small Engine, Subaru Robin, THD, Thin Oil, Troubleshooting, V-Twin, Valve Adjustment, Valve Cover, Yamaha