Yamaha Star 250 Xv250y C Owners Manual

PERIODIC MAINTENANCE AND ADJUSTMENT
7-6
7
17Shift pedal pivot 
shaftApply lithium-soap-based grease 
lightly.√√√√√
18 Sidestand pivotCheck operation.
Apply lithium-soap-based grease 
lightly.√√√√√
19*Sidestand switchCheck operation and replace if 
necessary.√√√√√√
20*Front forkCheck operation and for oil leak-
age.
Replace if necessary.√√√√√
21*Shock absorber as-
sembliesCheck operation and for oil leak-
age.
Replace if necessary.√√√√√
22 Engine oilChange (warm engine before 
draining).√√√√√√...

PERIODIC MAINTENANCE AND ADJUSTMENT
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7
* Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service.TIPFrom 19000 mi (31000 km) or 36 months, repeat the maintenance intervals starting from 7000 mi (11000 km) or 12 months.
EAU17620
TIP

The air filter needs more frequent service if you are riding in unusually wet or dusty areas.


Hydraulic brake system
When disassembling the master cylinder or caliper cylinder, always replace the brake fluid. Check...

PERIODIC MAINTENANCE AND ADJUSTMENT
7-8
7
EAU18751
Removing and installing the 
panel The panel shown needs to be removed
to perform some of the maintenance
jobs described in this chapter. Refer to
this section each time the panel needs
to be removed and installed.
EAU19510
Panel A
To remove the panelPull the rear of the panel out, and then
slide the panel forward to release it in
the front.To install the panel
Secure the front of the panel, and then
push the rear of the panel in.
EAU19544
Checking the...

PERIODIC MAINTENANCE AND ADJUSTMENT
7-9
7To check the spark plugs
1. Check that the porcelain insulator
around the center electrode on
each spark plug is a medium-to-
light tan (the ideal color when the
vehicle is ridden normally).
2. Check that all spark plugs installed
in the engine have the same color.
TIPIf any spark plug shows a distinctly dif-
ferent color, the engine could be oper-
ating improperly. Do not attempt to
diagnose such problems yourself. In-
stead, have a Yamaha dealer checkthe...

PERIODIC MAINTENANCE AND ADJUSTMENT
7-10
7
EAU19681
Canister (for California only) This model is equipped with a canister
to prevent the discharging of fuel vapor
into the atmosphere. Before operating
this vehicle, make sure to check the fol-
lowing:

Check each hose connection.


Check each hose and canister for
cracks or damage. Replace if dam-
aged.


Make sure that the canister breath-
er is not blocked, and if necessary,
clean it.
EAU42102
Engine oil and oil filter ele-
ment The engine oil level...

PERIODIC MAINTENANCE AND ADJUSTMENT
7-11
74. If the engine oil is below the mini-
mum level mark, add sufficient oil
of the recommended type to raise
it to the correct level.
To change the engine oil (with or
without oil filter element replace-
ment)
1. Start the engine, warm it up for
several minutes, and then turn it
off.
2. Place an oil pan under the engine
to collect the used oil.
3. Remove the engine oil filler cap
and drain bolt to drain the oil from
the crankcase.
TIPSkip steps 4–6 if the oil...

PERIODIC MAINTENANCE AND ADJUSTMENT
7-12
7
TIPMake sure that the O-ring is properlyseated.
7. Install the engine oil drain bolt, and
then tighten it to the specified
torque.
8. Refill with the specified amount of
the recommended engine oil, and
then install and tighten the oil filler
cap.
TIPBe sure to wipe off spilled oil on any
parts after the engine and exhaust sys-tem have cooled down.NOTICE
ECA11620


In order to prevent clutch slip-
page (since the engine oil also
lubricates the clutch), do not
mix...

PERIODIC MAINTENANCE AND ADJUSTMENT
7-13
7
EAU32737
Cleaning the air filter element The air filter element should be cleaned
at the intervals specified in the periodic
maintenance and lubrication chart.
Clean or, if necessary, replace the air
filter element more frequently if you are
riding in unusually wet or dusty areas.
1. Remove the bolts and loosen the
air filter case joint clamp screw.
2. Disconnect the hoses from the air
filter case, and then remove the air
filter case.3. Remove the air filter...

PERIODIC MAINTENANCE AND ADJUSTMENT
7-14
7 5. Remove the sponge material from
the air filter element frame, clean it
with solvent, and then squeeze the
remaining solvent out. WARNING!
Use only a dedicated parts
cleaning solvent. To avoid the
risk of fire or explosion, do not
use gasoline or solvents with a
low flash point.
 [EWA10431]
 NOTICE:
To avoid damaging the foam
material, handle it gently and
carefully, and do not twist or
wring it.
 [ECA10511]
6. Apply oil of the recommended type
to the entire...

PERIODIC MAINTENANCE AND ADJUSTMENT
7-15
7
EAU21251
Carburetor The carburetor is an important part of
the engine and its emission control sys-
tem, which requires very sophisticated
adjustment. Therefore, carburetor ad-
justments should be left to Yamaha
dealer, who has the necessary profes-
sional knowledge and experience.
EAU44732
Checking the engine idling 
speed Check the engine idling speed and, if
necessary, have it adjusted by a
Yamaha dealer at the intervals speci-
fied in the periodic...