2006 YAMAHA YFM50R 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
Engine stop switch with cord (lanyard) .....4-7
Throttle lever ......................................4-11
Speed limiter ......................................4-13
Front brake lever ................................4-17Rear brake lever .................................4-17
Parking brake .....................................4-19
Shift lever ...........................................4-21
Fuel tank cap ......................................4-21
Fuel cock ............................................4-23
Choke lever ........................................4-25
Seat ....................................................4-27
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
Tires ...................................................5-19
How to measure tire pressure ............5-23
Tire wear limit .....................................5-25
Fittings and fasteners .........................5-25
Switches .............................................5-25
Battery ................................................5-25
EBU00015
CONTENTS
1
2
3
4
5
5YF-9-62 ~3 3/4/05 9:55 PM Page 14

3-1
EBU00032
DESCRIPTION AND MACHINE
IDENTIFICATION
1. Seat 8. Rear brake lever
2. Front cover 9. Parking brake
3. Fuel cock 10. Neutral indicator light
4. Fuse 11. Front brake lever
5. Engine stop switch with 12. Throttle lever
cord (lanyard) 13. Main switch
6. Footrest 14. Fuel tank cap
7. Shift lever 15. Handlebar switches
NOTE:
The machine you have purchased may differ
slightly from those shown in the figures of this
manual.
1
2
6
89
0q
w e r t
3
5
6 74
5YF-9-62 ~3 3/4/05 9:55 PM Page 66

4-21
EBU14380
Shift lever
The shift lever is located on the left side of the
engine. Use the shift lever to shift the transmis-
sion into drive or neutral.
EBU00092
Fuel tank cap
Remove the fuel tank cap by turning it counter-
clockwise.
1
23
q
1. Shift lever 2. Drive position
3. Neutral position
1. Levier de présélection 2. Vitesse de marche
3. Vitesse de point mort
1. Palanca de cambios 2. Posición de marcha
3. Posición de punto muerto
1. Fuel tank cap
1. Bouchon de réservoir de carburant1. Tapón del depósito de combustible
5YF-9-62 4~5 3/4/05 9:58 PM Page 20

5-9
EBU09981
Fuel
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.
cC
Use 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:
Unleaded gasoline only
For Europe: Regular unleaded gasoline
only with a research octane
number of 91 or higher
Fuel tank capacity:
Total: 6.8 L
Reserve: 0.9 L
q
w
1. Filler tube 2. Fuel level1. Tube de remplissage 2. Niveau de carburant1. Tubo de llenado 2. Nivel de combustible
5YF-9-62 4~5 3/4/05 9:58 PM Page 36

5-11
w
8Do 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.
EBU10842
Engine oil
Make sure the engine oil is at the specified level.
Add oil as necessary. (See page 8-13.)
5YF-9-62 4~5 3/4/05 9:58 PM Page 38

EBU00440
Troubleshooting chart
1. Fuel
Check if there is
fuel in the fuel
tank
2. Compression
Use electric starter
to see if there is
compression
3. Ignition
Remove spark plug
and check electrodes
WetWipe clean with dry
cloth
DryAttach spark plug cap
and ground to chassisUse electric
starterSpark weak
Spark goodIgnition system normal
No spark
Ask a Yamaha dealer to inspect
Adjust spark plug gap
or replace spark plug
There is compressonCompression normal
Ask a Yamaha dealer to inspectNo compression
There is fuelTurn the fuel
cock to “OFF”
Remove the
fuel hose from
the fuel cock.
Some fuelTurn the fuel
cock to “RES”Restart engine
No fuelSupply fuel
4. Battery
Use electric
starter
Engine turns
over quicklyBattery good
Engine turns
over slowlyCheck fluid, recharge,
check connections
Check fuel flow
Water or dirt
mixed in fuel
Turn the fuel
cock to “ON”No fuelFuel cock clogged
Clean the fuel filter
and the fuel tank
Clean fuel cock
8-71
5YF-9-62 8 2/23/05 6:56 PM Page 8-71

10-3
Model YFM50R
Final gear oil:
Type SAE 80API “GL-4” Hypoid gear oil
Quantity:
Total amount 0.12 L
Air filter: Wet type element
Fuel:
Type Unleaded gasoline only
For Europe: Regular unleaded gasoline only
Tank capacity 6.8 L
Reserve amount 0.9 L
Carburetor:
Type/manufacturer VM16SH/MIKUNI
Spark plug:
Type/manufacturer CR7HSA/NGK
Gap 0.6–0.7 mm
Clutch type: Wet, multiple-disc automatic
5YF-9-62 9~ 3/4/05 10:00 PM Page 310