2002 YAMAHA YFM80R fuel cap

LOCATION OF THE WARNING AND
SPECIFICATION LABELS .......................1-1
SAFETY INFORMATION .........................2-1
DESCRIPTION AND MACHINE
IDENTIFICATION.....................................3-1
Identification number records ...............3-3
Key identification number .....................3-5
Vehicle identification number ...............3-7
Model label ...........................................3-9
CONTROL FUNCTIONS..........................4-1
Main switch ...........................................4-1
Indicator lights ......................................4-3
Handlebar switches ..............................4-3
Throttle lever ........................................4-7
Speed limiter ........................................4-9
Front brake lever ................................4-13Rear brake pedal and lever ................4-15
Parking brake .....................................4-17
Shift pedal ..........................................4-19
Fuel tank cap ......................................4-19
Fuel cock ............................................4-21
Choke lever ........................................4-23
Seat ....................................................4-25
PRE-OPERATION CHECKS ...................5-1
Front and rear brakes ...........................5-5
Fuel ......................................................5-9
Engine oil ............................................5-11
Final gear oil .......................................5-15
Throttle lever ......................................5-17
Fittings and fasteners .........................5-17
Switches .............................................5-17
Battery ................................................5-17
Tires ...................................................5-19
How to measure tire pressure ............5-23
Tire wear limit .....................................5-25
EBU00015
CONTENTS
1234
5
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2-15
8Never exceed the stated load capacity for an
ATV. Cargo should be properly distributed
and securely attached. Reduce speed and fol-
low instructions in this manual for carrying
cargo or pulling a trailer. Allow greater dis-
tance for braking.w8Always turn off the engine when refueling.
8Do not refuel right after the engine has
been running and is still very hot.
8Do not spill gasoline on the engine or
exhaust pipe/muffler when refueling.
Never refuel while smoking, or while in the
vicinity of sparks, open flames, or other
sources of ignition such as the pilot lights
of water heaters and clothes dryers.
Gasoline can catch fire. You could be
burned.
5TH-9-60 ~3 9/25/01 4:21 PM Page 52

3-1
EBU00032
DESCRIPTION AND MACHINE
IDENTIFICATION1. Seat 9. Rear brake lever
2. Front cover 10. Parking brake
3. Rear brake pedal 11. Neutral indicator light
4. Fuel cock 12. Front brake lever
5. Rear wheel 13. Throttle lever
6. Footrest 14. Main switch
7. Shift pedal 15. Fuel tank cap
8. Front wheel 16. Handlebar switchesNOTE:
The machine you have purchased may differ
slightly from those shown in the figures of this
manual.
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!1 !2
!3 !4 !5
!6
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4-19
EBU00083Shift pedal
This machine is equipped with a constant-mesh
3-speed transmission. The shift pedal is located
on the left side of the engine. Neutral is at the
bottom position.EBU00092Fuel tank cap
Remove the fuel tank cap by turning it counter-
clockwise.
q
3
2
1N
q
1. Shift pedal N. Neutral1. Pédale de sélection N. Point mort1. Pedal del cambio N. Punto muerto
1. Fuel tank cap1. Bouchon de réservoir de carburant1. Tapón del depósito de combustible
5TH-9-60 4~5 9/25/01 4:23 PM Page 18

5-9
EBU00909Fuel
Make sure there is sufficient gasoline in the
tank.NOTE:
(for Europe only)
If knocking or pinging occurs, use a different
brand of gasoline or higher octane grade.cCUse only unleaded gasoline. The use of leaded
gasoline will cause severe damage to internal
engine parts, such as the valves and piston
rings, as well as to the exhaust system.
Recommended fuel: Regular gasoline
For Europe: Regular unleaded gasoline
only with a research octane
number of 91 or higher.
For Australia: Unleaded gasoline only
Fuel tank capacity:
Total:
6.8L
Reserve:
0.9 L
1. Filler tube 2. Fuel level1. Tube de remplissage 2. Niveau de carburant1. Tubo de llenado 2. Nivel de combustible
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5-11
w8Do not overfill the fuel tank. Fuel expands
when it heats up. If the fuel tank is over-
filled, fuel could spill out due to heat from
the engine or the sun.
8Be careful not to spill fuel, especially on
the engine or exhaust pipe which can
cause a fire and severe injury. Wipe up
any spilled fuel immediately.
8Do not refuel right after the engine has
been running and is still very hot.
8Be sure the fuel tank cap is closed secure-
ly.EBU00445Engine oil
Make sure the engine oil is at the specified level.
Add oil as necessary. (See page 8-13 for
details.)
5TH-9-60 4~5 9/25/01 4:23 PM Page 36

EBU00440Troubleshooting chart1. FuelCheck if there is
fuel in the fuel
tank2. CompressionUse electric starter
to see if there is
compression3. IgnitionRemove plug and
check electrodes
Wet
Wipe clean with dry
cloth
Dry
Attach plug cap and
ground to chassis
Use electric
starter
Spark weakSpark good
Ignition system normal
No spark
Ask a Yamaha dealer to inspect
Adjust plug gap or
replace plug
There is compresson
Compression normalAsk a Yamaha dealer to inspect
No compression
There is fuel
Turn the fuel
cock to “OFF”Remove the
fuel hose from
the fuel cock.
Some fuel
Turn the fuel
cock to “RES”
Restart engine
No fuel
Supply fuel
4. BatteryUse electric
starter
Engine turns
over quickly
Battery good
Engine turns
over slowly
Check fluid, recharge,
check connections
Check fuel flow
Water or dirt
mixed in fuelTurn the fuel
cock to “ON”
No fuel
Fuel cock clogged
Clean the fuel filter
and the fuel tank
Clean fuel cock
8-73
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10-3
Model YFM80W
Final gear oil:
Type SAE 80API “GL-4” Hypoid gear oil
Quantity:
Total amount 0.12 L
Air filter: Wet type element
Fuel:
Type Regular gasoline
For Europe: Regular unleaded gasoline
For Australia: Unleaded fuel only
Tank capacity 6.8 LReserve amount 0.9 L
Carburetor:Type/manufacturer VM16SH/MIKUNI
Spark plug:
Type/manufacturer CR7HS/NGKGap 0.6 ~ 0.7 mm
Clutch type: Wet, multiple-disc automatic
5TH-9-60 9~ 9/25/01 4:28 PM Page 310