Lo-res videos of mechanic Paul Leahy explaining the parts and maintenance of the Yanmar 3YM30

1) The Cooling System

http://www.youtube.com/watch?v=EtpX3FdeE8k

2) Mounts, anodes, oil and fuel

http://www.youtube.com/watch?v=FP_ZHCru3X8

3) Bleeding, electricity and propeller

http://www.youtube.com/watch?v=BpwPL4-8Kzg