Yamaha MBK MW125 2014, Service Manual

Page: 101 / 380

PERIODIC MAINTENANCE
3-20
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6. Install:
• Engine oil drain bolt
(along with the gasket )
7. Fill:
• Crankcase
(with the specified amount of the recom-
mended engine oil)
8. Install:
• Dipstick
9. Start the engine, warm it up for several min-
utes, and then turn it off.
10.Check:
• Engine
(for engine oil leaks)
11.Check:
• Engine oil level
Refer to “CHECKING THE ENGINE OIL
LEVEL” on page 3-18.
12.Check:
• Engine oil pressure
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a. Slightly loosen the oil check bolt “1”.
b. Start the engine and keep it idling until engine
oil starts to seep from the oil check bolt. If no
engine oil comes out after one minute, turn
the engine off so that it will not seize.
c. Check the engine oil passages and the oil
pump for damage or leakage. Refer to “OIL
PUMP” on page 5-56.
d. Start the engine after solving the problem(s)
and check the engine oil pressure again.
e. Tighten the oil check bolt to specification.
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13.Reset:
• Oil change indicator
Refer to “INSTRUMENT FUNCTIONS” on
page 1-4.
EAS30811
CHECKING THE COOLANT LEVEL
1. Stand the vehicle on a level surface.
TIP
• Place the vehicle on the centerstand.
• Make sure the vehicle is upright.
2. Check:
• Coolant level
The coolant level should be between the min-
imum level mark “a” and maximum level mark
“b”.
Below the minimum level mark
→
Add the
recommended coolant to the proper level.
NOTICE
ECA13470
• Adding water instead of coolant lowers the
antifreeze content of the coolant. If water is
used instead of coolant check, and if nec-
essary, correct the antifreeze concentra-
tion of the coolant.
• Use only distilled water. However, if dis-
tilled water is not available, soft water may
be used.
3. Start the engine, warm it up for several min-
utes, and then turn it off.
4. Check:
• Coolant level
T
R
.
.
Oil strainer cover
20 Nm (2.0 m·kgf, 14 ft·lbf)
T
R
.
.
Engine oil drain bolt
22 Nm (2.2 m·kgf, 16 ft·lbf)
Engine oil quantity
Quantity (disassembled)
0.90 L (0.95 US qt, 0.79 Imp.qt)
Periodic oil change
0.80 L (0.85 US qt, 0.70 Imp.qt)
New
1
T
R
.
.
Oil check bolt
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
b
a