If your boat is like mine, you remove the seat; measure the distance between the bolt holes and saw about that much off the back of the seat base. You're right. You re-attach with just two bolts. You put the other bolts back just to plug the holes. Be careful to run the bolts through the seat adjustment straps.
I really think the folks at WS should make this fore - aft adjustment easier. Maybe leave off all that excess seat base.
Deck Rigging Gear
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