2017 YAMAHA YFM90 fuel reserve

4-9
4of sparks, open flames, or other sources of
ignition such as the pilot lights of water heat-
ers and clothes dryers.
2. Do not overfill the fuel tank. When refueling, be sure to insert the pump nozzle into the fuel
tank filler hole. Stop filling when the fuel
reaches the bottom of the filler tube. Because
fuel expands when it heats up, heat from the
engine or the sun can cause fuel to spill out of
the fuel tank.
3. Wipe up any spilled fuel immediately.NOTICE: Immediately wipe off spilled fuel
with a clean, dry, soft cloth, since fuel may
deteriorate painted surfaces or plastic
parts.
[ECB00982]
4. Turn the fuel tank cap fully clockwise to make sure it is securely closed.
WARNING
EWB02532Gasoline is poisonous and can cause injury or
death. Handle gasoline with care. Never siphon
gasoline by mouth. If you should swallow some
gasoline or inhale a lot of gasoline vapor, or get
some gasoline in your eyes, see your doctor
1. Maximum fuel level
2. Fuel tank filler tube
12
Recommended fuel:Regular unleaded gasoline only
For Europe: Regular unleaded gasoline only
with a research octane number of 95 or
higher
Fuel tank capacity: 6.6 L (1.74 US gal, 1.45 Imp.gal)
Fuel reserve amount: 0.9 L (0.24 US gal, 0.20 Imp.gal)
UBD361E0.book Page 9 Monday, January 25, 2016 10:53 AM

4-11
4ON
With the fuel cock lever in this position, fuel flows
to the carburetor. Turn the fuel cock lever to this
position when starting the engine and riding. RES
This indicates reserve. With the fuel cock lever in
this position, the fuel reserve is made available.
Turn the fuel cock lever to this position if you run
out of fuel while riding. When this occurs, refuel as
soon as possible and be sure to turn the fuel cock
lever back to “ON”!
EBU18851Starter (choke) “ ”Starting a cold engine requires a richer air-fuel
mixture, which is supplied by the starter (choke).
Move the starter (choke) in direction (a) to turn on
the starter (choke).
1. Arrow mark positioned over “ON”
1
1. Arrow mark positioned over “RES”
1
UBD361E0.book Page 11 Monday, January 25, 2016 10:53 AM

10-2
10
Transmission oil:Type:SAE 80W-90
Quantity:
0.35 L (0.37 US qt, 0.31 Imp.qt)Air filter:Air filter element:Wet elementFuel:Recommended fuel:Regular unleaded gasoline only
Fuel tank capacity: 6.6 L (1.74 US gal, 1.45 Imp.gal)
Fuel reserve amount:
0.9 L (0.24 US gal, 0.20 Imp.gal)Carburetor:Type × quantity:
H66D x 1Spark plug (s):Manufacturer/model: NGK/CR6HSA
Spark plug gap: 0.6–0.7 mm (0.024–0.028 in)Clutch:Clutch type:Dry, centrifugal automaticTransmission:Secondary reduction system:
Chain drive
Secondary reduction ratio: 35/14 (2.500) Transmission type:
V-belt automatic
Operation: Centrifugal automatic type
Chassis:Frame type:Steel tube frame
Caster angle: 3.40 °
Trail:
19.8 mm (0.78 in)Front tire:Type:Tubeless
Size:
AT18 x 7-8
Manufacturer/model: DURO/DI2017Rear tire:Type:
Tubeless
Size: AT18 x 9-8
Manufacturer/model: DURO/DI2016Loading:Maximum loading limit:82.0 kg (181 lb)
(Total weight of rider, cargo, accessories, and tongue)
UBD361E0.book Page 2 Monday, January 25, 2016 10:53 AM