LOL!!
Yeah, google is great huh?
Just FYI, I've seen some posts where folks have used a screwdriver between the flywheel and the starter to hold it.
Never tried that one myself..
Also, I've read that some have removed a spark plug, inserted a length of rope into the cylinder to prevent it from completing a cycle.. This will hold it too. Remove rope when done, re-install plug..
I've even used a large heavy weight fabric belt (found at thrift store) with a pretty beefy belt buckle on it as a strap wrench once.. Worked pretty good.
Googling "Strap Wrench", "Flywheel Holder" and "Flywheel Turner" also yield some tools that could do the job..
I noticed iBoats is out of stock on them right now:
https://www.iboats.com/shop/cdi-elec...-551-5110.html
Too bad too.. They'd price match if you found it cheaper elsewhere..
Hope it helps!