I checked the fuel outlet at the tank and no restrictions or debre. But during initial startup cranks ok but no fuel like its lost its prime. It will crank for 20 to 30 seconds with choke on and nothing. Pull air filter and fog it with carb cleaner and fires right up. Once its warmed up it fires up every time. But wait a week and same thing all over. My neighbor replaced the fuel pump last year and said it made no difference. Any help would be great, other wise I'll be taking my Big Dog over to knock it out ! Thanks guys