Champion Dual Fuel 10000 Starting Watt generator

I have a 2023 Champion Duel Fuel (Propane and Gas) generator. It has only been started about for times off of Propane. Has not been used for anything sitting in my shop. Like new.

Gasoline - 10000 starting Watts
8000 running Watts

Propane - 9000 starting Watts
7200 running Watts

Two 20 Amp 120 V GFCI outlets
One 30 Amp 120/240 V outlet
One 33 Amp 120/240 V outlet

Electric or pull start. Has started right off every time with no issues.