These DVDs are a GREAT way to learn about various engine details prior to purchasing.
Engine Installation videos
Click here for ULPower (Zenith & generic)
Click here for Rotax 912 (generic installation)
Click here for Rotax 912 - Zenith CH701 installation
Click here for Rotax 912 - Zenith CH750 installation
Click here for Jabiru 3300 - Zenith CH601/650 installation
Click here for Jabiru 3300 - Zenith CH750 installation
Click here for Jabiru 3300 - Rans S-19 installation
Click here for Viking Honda Aircraft engine (generic) installation