Yamaha SR400 2014, Service Manual

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PERIODIC MAINTENANCE
3-21
3. Hold the vehicle upright and apply the front
brake.
4. Check:
•
Front fork operation
Push down hard on the handlebar several
times and check if the front fork rebounds
smoothly.
Rough movement

Repair.
Refer to “FRONT FORK” on page 4-37.
EAS2RD1036
CHECKING THE REAR SHOCK ABSORBER
ASSEMBLY
Refer to “CHECKING THE REAR SHOCK AB-
SORBER ASSEMBLY” on page 4-49.
EAS21590
ADJUSTING THE REAR SHOCK ABSORBER
ASSEMBLY
WARNING
EWA13120
Securely support the vehicle so that there is
no danger of it falling over.
Spring preload
NOTICE
ECA13590
Never go beyond the maximum or minimum
adjustment positions.
1. Adjust:
• Spring preload
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Turn the adjusting ring “1” in direction “a” or
“b”.
b. Align the desired position on the adjusting
ring with the stopper “2”.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
EAS20731
CHECKING THE ENGINE OIL LEVEL
1. Stand the vehicle on a level surface.
TIP
Place the vehicle upright on the centerstand.
2. Start the engine, warm it up for several min-
utes, and then turn it off. Before checking the
engine oil level, wait a few minutes until the oil
has settled.
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.
Direction “a”
Spring preload is increased (suspen-
sion is harder).
Direction “b”
Spring preload is decreased (suspen-
sion is softer).
Spring preload adjusting positions
Minimum
1
Standard
1
Maximum
5
1
a
b
2
b
a