Page 242 of 362
8-13
EBU14900
Engine oil
The engine oil level should be checked before
each ride. In addition, the oil must be changed
at the intervals specified in the periodic mainte-
nance and lubrication chart.
Engine oil level measurement
1. Place the machine on a level surface.
2. Warm up the engine for several minutes and
stop it.
3. Wait a few minutes until the oil level settles,
remove the oil filler cap, wipe off the dipstick
clean. Insert the dipstick in the filler hole
without screwing it in.
NOTE:
Wait a few minutes until the oil level settles
before checking.
4. Remove the dipstick and inspect the oil
level.
5. The oil level should be between the maxi-
mum and minimum marks. If the level is low,
add oil to raise it to the proper level.
qw
e
1. Dipstick
2. Maximum level mark 3. Minimum level mark
1. Jauge
2. Repère de niveau maximum 3. Repère de niveau minimum
1. Varilla de medición
2. Marca de máximo 3. Marca de mínimo
1C5-9-61-08 9/4/04 9:30 AM Page 8-14
Page 248 of 362
8-19
cC
Be sure no foreign material enters the
crankcase.
9. Warm up the engine for several minutes at
idle speed. Check for oil leakage while
warming up.
cC
If oil leakage is found, stop the engine imme-
diately and check for the cause.
Recommended oil:
See page 10-2.
Oil quantity:
Periodic oil change
1.25 L
1C5-9-61-08 9/4/04 9:30 AM Page 8-20
Page 250 of 362

8-21
EBU14912
Final transmission oil
The final transmission case must be checked for
oil leakage before each ride. If any leakage is
found, have a Yamaha dealer check and repair
the machine. In addition, the final transmission
oil must be changed at the intervals specified in
the periodic maintenance and lubrication chart.
Final transmission oil measurement
1. Place the machine on a level surface.
2. Remove the screw and check the oil level. It
should be up to the brim of the hole. If the
oil level is low, remove the oil filler bolt, and
then add sufficient oil of the recommended
type to raise it to the proper level.
3. Install the screw and oil filler bolt, and then
tighten them to their specified torques.we
q
q
1. Screw 2. Brim 3. Correct oil level
1. Vis 2. Bord 3. Niveau d’huile correct
1. Tornillo 2. Borde 3. Nivel correcto de aceite
1. Oil filler bolt
1. Boulon de remplissage d’huile
1. Tapón de llenado de aceite
Tightening torque:
Screw:
16 Nm (1.6 m0kgf)
Oil filler bolt:
23 Nm (2.3 m0kgf)
1C5-9-61-08 9/4/04 9:30 AM Page 8-22
Page 343 of 362
10
11 9
10-2
Model YFM125G
Engine oil/final transmission oil:
Type
Recommended engine oil/final transmission API Service SE, SF, SG type or higher
oil classification:
Quantity
Engine oil:
Periodic oil change 1.25 L
Final transmission oil: 0.6 L
cC
8Do not use oils with a diesel specification
of “CD” or oils of a higher quality than
specified. In addition, do not use oils
labeled “ENERGY CONSERVING II” or
higher.
8Be sure no foreign material enters the
crankcase.
–20° 10° 20° 30° 40°
10W30
10W40
20W40
20W5050°C
0° –10°
5W30
15W40
1C5-9-61-09~11 9/4/04 9:29 AM Page 13