Fuel Cock - Yamaha Star XV250ZC Owner's Manual

Fuel cock

This model is equipped with a negative
pressure fuel cock. The fuel cock sup-
plies fuel from the tank to the carburetor
while also filtering it.
The fuel cock lever positions are ex-
plained as follows and shown in the il-
lustrations.
ON
1. Arrow mark positioned over "ON"
With the fuel cock lever in this position,
fuel flows to the carburetor when the
engine is running. Turn the fuel cock le-
ver to this position when starting the en-
gine and riding.
INSTRUMENT AND CONTROL FUNCTIONS
EAU13581 RES
1. Arrow mark positioned over "RES"
This indicates reserve. With the fuel
cock lever in this position, the fuel re-
serve is made available. Quickly turn
the fuel cock lever to this position if you
run out of fuel while riding, otherwise
the engine may stall and will have to be
1
primed (see "PRI"). After turning the
fuel cock lever to "RES", refuel as soon
as possible and be sure to turn the fuel
cock lever back to "ON"!
PRI
1
1. Arrow mark positioned over "PRI"
This indicates prime. With the fuel cock
lever in this position, the engine can be
"primed". Turn the fuel cock lever to this
position when the engine has been al-
lowed to run out of fuel. This sends fuel
directly to the carburetor, which will
make starting easier. After the engine
has started, be sure to turn the lever to
"ON" (or "RES" if you have not refueled
yet).
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