Shocks and springs do different things.
They are not mutually exclusive.
The shocks will dampen the effects of the springs.
I'm not saying you need them, but they won't hurt.
If 1 or 2 teeth are broken that will not cause a problem
You do not have to unscrew the nut.
I would not unscrew the nut.
The quadrant oring will be ok.
Max rpm at WOT for that motor is 4200-4600.
Is this a new to you boat? Did it ever work better?
What prop do you have on it?
You may have to prop down to get the rev's up to where they should be at WOT.
If there's an existing wire for something else going from the console to the compartment you could use it to pull a fish wire through and then use the fish wire to pull the original and new wire back.
Welcome, as you have discovered they're hard if not impossible to find.
Your best bet is to get a custom one made from a local canvas/tent/awning shop.
