Yamaha WR250F(N), Owner'S Service Manual

Page: 194 / 686

3 - 15
INSP
ADJ
ENGINE OIL LEVEL INSPECTION
(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.
Recommended oil:
At 5 ˚C (40 ˚F) or higher
Å
Yamalube 4 (20W-40) or
SAE 20W-40 type SH motor oil
(Non-Friction modified)
At 15 ˚C (60 ˚F) or lower
ı
Yamalube 4 (10W-30) or
SAE 10W-30 type SH motor oil
(Non-Friction modified)
and/or
Yamalube 4-R (15W-50)
(Non-Friction modified)
(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.
5. Install:
●
Oil tank cap
6. Start the engine and let it warm up for
several minutes.
7. Turn off the engine and inspect the oil
level once again.
NOTE:
Wait a few minutes until the oil settles before
inspecting the oil level.
Recommended oil:
Refer to the following chart for
selection of oils which are suited
to the atmospheric temperatures.
Recommended engine oil classi-
fication:
API STANDARD:
API “SH” or higher grade
(Designed primarily for motor-
cycles)
-20
-4
-10
14
0
30
10
50
20
68
30
86
40 50
104
122
°
C Temp.
°
F
10W-30
10W-40
20W-40
20W-50
15W-40
a
b