Fuel Tank Breather Hose; Fuel Cock - Yamaha TTR 125 2020 Owner's Manual

Instrument and control functions
um unleaded fuel. Use of unleaded fuel
will extend spark plug life and reduce
maintenance costs.
Gasohol
There are two types of gasohol: gaso-
hol containing ethanol and that con-
taining methanol. Gasohol containing
4
ethanol can be used if the ethanol con-
tent does not exceed 10% (E10). Gas-
ohol containing methanol is
recommended by Yamaha because it
can cause damage to the fuel system
or vehicle performance problems.

Fuel tank breather hose

not
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.
4-5
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Fuel cock

The fuel cock supplies fuel from the
tank to the carburetor(s) while filtering it
also.
The fuel cock has three positions:
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
With the lever in this position, fuel flows
to the carburetor(s). Normal riding is
done with the lever in this position.
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