Yamaha TW125 1999, Service Manual

Page: 61 / 283

3-12
CHECKING THE ENGINE OIL LEVEL/
CHANGING THE ENGINE OIL
CHK
ADJ
CAUTION:
NOTE:
43 Nm (4.3 m kg)
Engine oil also lubricates the clutch and
the wrong oil types or additives could
cause clutch slippage. Therefore, do not
add any chemical additives or use engine
oils with a grade of CD
a
or higher and do
not use oils labeled “ENERGY CONSERV-
ING II”
b or higher.
Do not allow foreign materials to enter the
crankcase.
4. Start the engine, warm it up for several min-
utes, and then turn it off.
5. Check the engine oil level again.
Before checking the engine oil level, wait a few
minutes until the oil has settled.
EAS00076
CHANGING THE ENGINE OIL
1. Start the engine, warm it up for several min-
utes, and then turn it off.
2. Place a container under the engine oil drain
bolt.
3. Remove:
engine oil filler cap 1
engine oil drain bolt 2
4. Drain:
engine oil
(completely from the crankcase)
5. If the oil filter element is also to be replaced,
perform the following procedure.
a. Remove the oil filter element cover
1
and oil
filter element 2 .
b. Check the O-ring 3 and replace it if it is
cracked or damaged.
c. Install the new oil filter element and the oil fil-
ter element cover.
Oil filter element cover bolt
7 Nm (0.7 m kg)
6. Check:
engine oil drain bolt gasket
Damage
Replace.
7. Install:
engine oil drain bolt