Originally Posted by tjts1

Changing the GPs on the om602 really isn't that bad. It's the on606 with its pencil GPs you have to worry about. You do need to pull the intake manifold but if you can wrench on an OM617 you can wrench on an OM602. I wouldn't worry about it.

OM602 especially the 89+ is a great engine. If condition checks out I wouldn't hesitate to buy it.