Guess this is sort of a hot topic in the states, plenty of liability & other
legal issues. Here is an article on how to
emergency start your
engine in german, hope
google translate will do the trick.
https://rheintrainer.de/volvo-penta-notstart/
and yes, you can break stuff doing that. On the other hand, not being able to start your engine in an
emergency because of a faulty, cheapo microswitch on the panel can lead to broken stuff as well.
... and locate the stop leaver on the injection
pump beforehands...