Changing The Final Transmission Oil; Checking The Coolant Level - Yamaha MBK X-MAX 300 2017 Service Manual

b. Start the engine and keep it idling until en-
gine 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 prob-
lem(s) and check the engine oil pressure
again.
e. Tighten the oil check bolt to specification.
Engine oil check bolt
7 N·m (0.7 kgf·m, 5.2 lb·ft)
EAS31187

CHANGING THE FINAL TRANSMISSION OIL

1. Stand the vehicle on a level surface.
TIP
• Place the vehicle on the centerstand.
• Make sure the vehicle is upright.
2. Start the engine, warm it up for several min-
utes, and then turn it off.
3. Place a container under the final transmis-
sion.
4. Remove:
• Final transmission oil filler cap "1"
(along with the O-ring "2")
• Final transmission oil drain bolt "3"
(along with the copper washer "4")
Completely drain the final transmission oil.
1
2
4 3
3-20
PERIODIC MAINTENANCE
5. Install:
• Final transmission oil drain bolt
(along with the copper washer
Final transmission oil drain bolt
20 N·m (2.0 kgf·m, 15 lb·ft)
6. Fill:
• Final transmission oil
(with the specified amount of the recom-
mended final transmission oil)
Final transmission oil
Type
Motor oil SAE 10W-30 type SE
or higher or Gear oil SAE 85W
GL-3
Quantity (disassembled)
0.23 L (0.24 US qt, 0.20 Imp.qt)
Quantity
0.20 L (0.21 US qt, 0.18 Imp.qt)
7. Install:
• Final transmission oil filler cap
(along with the O-ring
TIP
Lubricate the O-ring with lithium-soap-based
grease.
8. Start the engine, warm it up for several min-
utes, and then turn it off.
9. Check:
• Final transmission oil leakage
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.
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