I'd have slammed the door first, turned out the lights, then made some noises.
Then let them out......
Skip the S2 350. When they sat for any length of time, the case seals on the crank hardened. In the next 150 miles, they split and the cases must be split to replace them or it will not run evenly, if at all. They were a disposable bike, like the Blue Streak and the 750 triple.