Yamaha YZ450F(W), Owner'S Service Manual

Page: 172 / 650

3 - 14
INSP
ADJ
ENGINE OIL LEVEL INSPECTION
4. Inspect:
• Oil level
Check that the engine oil is above the
level mark
a
and that the oil does not
come out when the check bolt
1
is
removed.
Below the level mark
a
→
Add oil
through the filler cap hole until it is above
the level mark
a
.
Oil comes out at the check bolt
→
Drain
the oil until it stops coming out.
NOTE:
When inspecting the oil level, do not screw the
oil level gauge into the oil tank.
Insert the gauge lightly.
(For USA and CDN)
CAUTION:
• Do not add any chemical additives.
Engine oil also lubricates the clutch and
additives could cause clutch slippage.
• Do not allow foreign material to enter the
crankcase.
(Except for USA and CDN)
CAUTION:
• Do not add any chemical additives or use
oils with a grade of CD
a
or higher.
• Do not use oils labeled “ENERGY CON-
SERVING II”
b
or higher. Engine oil also
lubricates the clutch and additives could
cause clutch slippage.
• Do not allow foreign materials to enter the
crankcase.
Recommended oil:
Yamalube 4, SAE10W30 or
SAE 20W40
Yamalube 4-R, SAE10W50
API service SG type or higher
JASO standard MA
Recommended oil:
SAE10W30, SAE10W40,
SAE15W40, SAE20W40 or
SAE20W50
API service SG type or higher
JASO standard MA
-20 -10 0 10 20 30 40 50 ˚C
0 10 30 50 70 90 110 130 ˚F
YAMALUBE 4(10W-30) or SAE 10W-30
YAMALUBE 4(20W-40) or SAE 20W-40
YAMALUBE 4-R(10W-50) or SAE 10W-50
-20 -10 0 10 20 30 40 50 ˚C
SAE 10W-30
SAE 10W-40
SAE 15W-40
SAE 20W-40
SAE 20W-50
a
b