I tried to have a small compact "essential" toolbox..but I'm always doing something. So now I've got a full toolbox. Parks in the head. Its heavy.
Metric and standard sockets,deep & shallow 1/4, 3/8 drive, wrenches, pliers, cutters, crimpers,many screwdrivers Make sure you have #3 phillips, Ball Allens.
I have the Suzuki tool kit that came with the motor.
Toilet ring wax. Nerf plugs. Hose clamps.
Electrical tape in Black and some colors. Zip ties. A Plano box of assorted electrical terminals, fuses
A Plano box of assorted SS screws & nuts&washers. extra asst canvas snaps.
Multimeter.
18V screwgun & charger in the dockbox
drillbits
resealable small tube of silicone. Threadlock.