Yamaha 4SH-28199-67 Owner's Manual page 196

Exhaust system
The exhaust system on the machine is very hot
during and following operation. To prevent
burns, avoid touching the exhaust system.
Park the machine in a place where pedestrians
or children are not likely to touch it.
WARNING
Do not touch the hot exhaust system. Do not
park the machine during or after operation in a
place where others might be likely to touch it.
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