Ducati Streetfighter Owner's Manual page 79

Warning
The exhaust system might be hot, even after engine is
switched off; pay particular attention not to touch exhaust
system with any body part and do not park the vehicle next
to inflammable material (wood, leaves etc.).
Warning
Using padlocks or other locks designed to prevent
motorcycle motion, such as brake disc locks, rear sprocket
locks, and so on is dangerous and may impair motorcycle
operation and affect the safety of rider and passenger.
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