2001 YAMAHA YFM660R fuel reserve

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Yuki_DATA2:HM00G210_YFM660R-60:YFM350-4.frameEL
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Fuel tank cap
Remove the fuel tank cap by turning it counter-
clockwise.
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Fuel cock
The fuel cock supplies fuel from the fuel tank to
the carburetor.
The fuel cock has three positions.
OFF: With the lever in this position fuel will
not flow. Always turn the lever to this
position when the engine is not running.
ON: With the lever in this position, fuel flows
to the carburetor. Normal riding is done
with the lever in this position.
RES: This indicates reserve. If you run out of
fuel while riding, turn the lever to this
position. THEN FILL THE FUEL TANK AT
THE FIRST OPPORTUNITY. After refuel-
ling, return the fuel cock lever to the
“ON” position.
1. Fuel tank cap
2. Bouchon de réservoir de carburant
1. Tapón del depósito de combustible

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Yuki_DATA2:HM00G210_YFM660R-60:YFM350-5.frameEL
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Fuel
Make sure there is sufficient gasoline in the
tank.
NOTE:
1. If knocking or pinging occurs, use a differ-
ent brand of gasoline or higher octane
grade.
2. If unleaded gasoline is not available, then
leaded gasoline can be used. Recommended fuel:
Regular unleaded gasoline
with a research octane number of 91 or
higher.
Fuel tank capacity:
Total:
12 L
Reserve:
2.6 L

Yuki_DATA2:HM00G210_YFM660R-60:YFM350-SPEC-E.frameEL
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Radiator capacity (including all routes): 1.3 L
Air filter: Wet type element
Fuel:
Type
Tank capacity
Reserve amountRegular unleaded gasoline
12 L
2.6 L
Carburetor:
Type
× quantity
ManufacturerBSR33
× 2
MIKUNI
Spark plug:
Type/manufacturer
GapDPR8EA-9/NGK
0.8 ~ 0.9 mm
Clutch:
Type
OperationWet, Multiple-disc
Left hand operation
Transmission:
Primary Reduction System
Primary Reduction Ratio
Secondary Reduction System
Secondary Reduction Ratio
Transmission type
OperationSpur gear
71/34 (2.088)
Chain drive
40/13 (3.076)
Constant mesh, 5-speed forward, 1-speed reverse
Left foot operation MODEL YFM660R