Yamaha YFZ50 2019, Owner'S Manual, Page: 94 / 126

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ment removed. This will allow unfiltered air
to enter the engine, causing rapid engine
wear and possible engine damage. Addi-
tionally, operation without the air filter ele-
ment will affect carburetor jetting with
subsequent poor performance and possi-
ble engine overheating.
[ECB00462]
10. Install the seat.
TIP
The air filter element should be cleaned every 20–
40 hours. It should be cleaned and lubricated
more often if the ATV is operated in extremely
dusty areas. When servicing the air filter element,
be sure to check the air inlet of the air filter case
for obstructions.
EBU28905
Cleaning the spark arrester
Be sure the exhaust pipe and muffler are cool be-
fore cleaning the spark arrester.
1. Tailpipe bolt
2. Tailpipe
3. Spark arrester
4. Gasket
1
2 3
4
UBW463E0.book Page 19 Monday, January 28, 2019 10:22 AM