Fuel Tank Breather Hose; Fuel Cock - Yamaha YZ85 2021 Owner's Manual

Instrument and control functions

Fuel tank breather hose

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1. Fuel tank breather hose
Before operating the motorcycle:
 Check the fuel tank breather hose
connection.
 Check the fuel tank breather hose
for cracks or damage, and replace
it if necessary.
 Make sure that the fuel tank
breather hose is not blocked, and
clean it if necessary.
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Fuel cock

The fuel cock supplies fuel from the
tank to the carburetor while filtering it
also.
The fuel cock has two positions:
OFF
1. Arrow mark positioned over "OFF"
With the lever in this position, fuel will
not flow. Always return the lever to this
position when the engine is not run-
ning.
ON
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1. Arrow mark positioned over "ON"
With the lever in this position, fuel flows
to the carburetor. Normal riding is done
with the lever in this position.
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