Someone should correct me if I'm wrong, but my Buddy has that hose as well. It's nothing to worry about, it's a drain hose that's meant to be as such. ( I forget where it comes from.)
Aging is mandatory, growing up is optional.
My kids call me 'crazy', I prefer 'Eccentric'.
Nullius in verba
I'll third the carb drain tube. It is supposed to hang low like that because should you drain the carb bowl after running the motor, it would be unwise to let it drip down combustible fluids onto a hot engine