I'm dammed if I could find anywhere to fit bungs when I set mine up for racing. Not without cutting the fairing anyway - which kinda defeats the object.

The engine is certainly slim enough not to get damaged during a crash, and generally there's no sticky out bits to catch and flip the bike, so they just slide on the fairings till they stop. Add some carbon fibre matting to the fattest parts and you'll be fine!
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MC21SP Plaything
BMW F800GS Bumblebee
Triumph 9551 Daytona Big boys toy
FJ1100 Sporting relic
GTS1000 oddball