Re: 2006 60hp lower unit
remove the trim tab by removing the bolt located on top, in front of the lower casing just above the prop, you have to push the lower casing sideways just enough to get your socket in, remove the ttab, then under the ttab is a bolt, remove and the lower unit should slide out, ensure you have someone holding the unit, dont want this falling on your most vulnerable parts. You can do this on your own, but be very carefull.
all the best Yjoe