Yamaha MBK X-MAX 300 2017, Service Manual

Page: 89 / 462

PERIODIC MAINTENANCE
3-18
• Always adjust both rear shock absorber as-
semblies evenly. Uneven adjustment can
result in poor handling and loss of stability.
Spring preload
NOTICE
ECA13590
Never go beyond the maximum or minimum
adjustment positions.
1. Adjust:
• Spring preload
TIP
Adjust the spring preload with the special
wrench and extension bar included in the own-
er’s tool kit.
a. Turn the adjusting ring “1” in direction “a”
or “b”.
b. Align the desired position on the adjusting
ring with the position indicator “2”.
TIP
The adjustment value is the adjusting ring posi-
tion number.
EAS30656
CHECKING THE ENGINE OIL LEVEL
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. Check:
• Engine oil level
The engine oil level should be between the
minimum level mark “a” and maximum level
mark “b”.
Below the minimum level mark
→
Add the
recommended engine oil to the proper level.
TIP
Before checking the engine oil level, wait a few
minutes until the oil has settled.
NOTICE
ECA13370
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.
TIP
Before checking the engine oil level, wait a few
minutes until the oil has settled.
Direction “a”
Spring preload is increased (suspen-
sion is harder).
Direction “b”
Spring preload is decreased (suspen-
sion is softer).
Adjusting positions
Adjustment value (Soft)
1
Adjustment value (STD)
3
Adjustment value (Hard)
5
1
2
3
4
5
1
a
b
2
Recommended brand
YAMALUBE
SAE viscosity grades
10W-40
Recommended engine oil grade
API service SG type or higher,
JASO standard MA or MB
a
b