Instrument an
d
control functions
4-11
4
brand or premium 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
ethanol can be used if the ethanol con-
tent does not exceed 10% (E10). Gas-
ohol containing methanol is not
recommended by Yamaha because it
can cause damage to the fuel system
or vehicle performance problems.
EAU13551
Fuel cock
The fuel cock supplies fuel from the
tank to the carburetors while also filter-
ing it.
The fuel cock lever positions are ex-
plained as follows and shown in the il-
lustrations.
OFF
With the fuel cock lever in this position,
fuel will not flow. Always turn the fuel
cock lever to this position when the en-
gine is not running.
ON
With the fuel cock lever in this position,
fuel flows to the carburetors. Turn the
fuel cock lever to this position when
starting the engine and riding.
RES
1. Arrow mark positioned over “OFF”
1. Arrow mark positioned over “ON”
1. Arrow mark positioned over “RES”
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