Of course, if there was a problem, not only is your engine toast,* but you might drown.** Bummer.
But, yeah, it'd be worth it when it worked!
The (judge?) in the water observing the bikes fly past him has some balls.
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* Sucking water into an engine that intends to compress the working fluid is going to end badly.
** Almost like ice racing when you hit thin ice, but warmer. Determining the actual odds of living may require math.