Solution publishing page content
1. Edit the related Item Template.
2. Add the PublishingPageContent to the ManagedPropertyMapping. For a clean example I removed all mappings besides Title and PublishingPageContent.
3. Create a variable for the PublishingPageContent column.
4. The PublishingPageContentHTML will contain the page content but with styling. The following code will remove the styling.
5. Us the code below to display the PublishingPageContent.