You will need to build a minor cradle to support the hull before decap occurs. Check the stickies and google boat cap removal.
Build a cradle for the outboard.
The size of your boat makes it s perfect candidate for cap removal.
Tools you'll need;
Drill,.sawsall, oscillating tool, sawzall, , bi-metal blades. You wil need to have these on hand anyway for your project.
2x4's, maybe pc. of ply.
Caes of Beer, maybe 2 and ask some friends to come over for BBQ. When they arrive then you tell the cost of the beer and burgers is to help you lift cap off.
Store cap on level platform with ply or studs to keep it level. Cover it.
Advantages of removing cap;
Mobility
No need to make modify what was sliced out
Great exposure of hull componets to replace, stringers, bulkheads, wiring
Less material, less costs
Take alot of pics and measurements. Save in computer files for when you back with top.
Either way works. Break out the ole Ben Franklin T bar score card for pros and cons.