Yamaha BLASTER YFS200N Owner's Manual page 112

q WARNING
POTENTIAL HAZARD
Improper cleaning of the spark arrester.
Hot exhaust system
WHAT CAN HAPPEN
Could injure the eyes.
Could cause burns.
Could cause carbon monoxide poisoning,
possibly leading to death.
Could start a fire.
HOW TO AVOID THE HAZARD
When cleaning the spark arrester:
Always let the exhaust system cool prior
to touching exhaust components.
Do not start the engine when cleaning the
exhaust system.
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