I think its appropriate to remind him of the agreement. maybe also mention that the item was not a concern but it did remind you of your request in January.
Maybe say you'd like to get the garage organized/cleared out and to do so you'll need to know what he wants and when he can take it.
I'd go for the canoe as well!
Me:45, W:45 S:16 D:13 M:22, T:25 Bomb: July 2010 Putting finances in order for "D" Continue to live in same home-separate rooms