air filter YAMAHA WR 250R 2011 Owners Manual

TABLE OF CONTENTSSAFETY INFORMATION .................. 1-1
DESCRIPTION .................................. 2-1
Left view .......................................... 2-1
Right view ........................................ 2-2
Controls and instruments................. 2-3
INSTRUMENT AND CONTROL
FUNCTIONS....................................... 3-1
Main switch/steering lock ................ 3-1
Indicator lights and warning
lights ............................................ 3-2
Multi-function display ...................... 3-3
Handlebar switches ........................ 3-8
Clutch lever ..................................... 3-9
Shift pedal ..................................... 3-10
Brake lever ................................... 3-10
Brake pedal .................................. 3-10
Fuel tank cap ................................ 3-11
Fuel ............................................... 3-11
Catalytic converter ........................ 3-13
Seat .............................................. 3-13
Helmet holder ............................... 3-14
Adjusting the front fork .................. 3-14
Front fork bleeding ........................ 3-16
Adjusting the shock absorber
assembly ................................... 3-17
EXUP system ............................... 3-18
Sidestand ...................................... 3-19
Ignition circuit cut-off system ........ 3-19FOR YOUR SAFETY –
PRE-OPERATION CHECKS............. 4-1
OPERATION AND IMPORTANT
RIDING POINTS................................. 5-1
Starting the engine ......................... 5-1
Shifting ........................................... 5-2
Tips for reducing fuel
consumption ............................... 5-3
Engine break-in .............................. 5-3
Parking ........................................... 5-4
PERIODIC MAINTENANCE AND
ADJUSTMENT................................... 6-1
Owner’s tool kit ............................... 6-2
Periodic maintenance chart for
the emission control system ....... 6-3
General maintenance and
lubrication chart .......................... 6-4
Removing and installing panels ..... 6-8
Checking the spark plug ............... 6-11
Engine oil and oil filter element .... 6-12
Coolant ......................................... 6-14
Cleaning the air filter element
and check hose ......................... 6-17
Adjusting the engine idling
speed ........................................ 6-19
Checking the throttle grip free
play ........................................... 6-19
Valve clearance ............................ 6-20
Tires ............................................. 6-20Spoke wheels ............................... 6-22
Adjusting the clutch lever free
play ............................................ 6-22
Adjusting the brake lever free
play ............................................ 6-23
Checking the shift pedal ............... 6-24
Brake light switches ...................... 6-24
Checking the front and rear
brake pads ................................. 6-25
Checking the brake fluid level ....... 6-25
Changing the brake fluid ............... 6-26
Drive chain slack ........................... 6-27
Cleaning and lubricating the
drive chain ................................. 6-28
Checking and lubricating the
cables ........................................ 6-29
Checking and lubricating the
throttle grip and cable ................ 6-29
Checking and lubricating the
brake and clutch levers ............. 6-29
Checking and lubricating the
brake pedal ................................ 6-30
Checking and lubricating the
sidestand ................................... 6-30
Lubricating the swingarm
pivots ......................................... 6-31
Checking the front fork .................. 6-31
Checking the steering ................... 6-32
Checking the wheel bearings ........ 6-32
Battery .......................................... 6-32
Replacing the fuses ...................... 6-3432D-9-E6.book 1 ページ ２０１１年１月７日　金曜日　午後３時１０分

DESCRIPTION
2-2
12
3
4
5
6
7
8
9
EAU10420
Right view
3 12
76
5
4
1. Rear brake fluid reservoir (page 6-25)
2. Air filter element (page 6-17)
3. Rear brake light switch (page 6-24)
4. Bleed screw (page 3-16)
5. Engine oil filler cap (page 6-12)
6. Engine oil level check window (page 6-12)
7. Shock absorber assembly rebound damping force adjusting knob
(page 3-17)
32D-9-E6.book 2 ページ ２０１１年１月７日　金曜日　午後３時１０分

PERIODIC MAINTENANCE AND ADJUSTMENT
6-4
1
2
3
4
56
7
8
9
EAU1770C
General maintenance and lubrication chart NO. ITEM CHECK OR MAINTENANCE JOBODOMETER READING
ANNUAL
CHECK 1000 km
(600 mi)10000 km
(6000 mi)20000 km
(12000 mi)30000 km
(18000 mi)40000 km
(24000 mi)
1Air filter element• Clean.
• Replace.
2Clutch• Check operation.
• Adjust.
3*Front brake• Check operation, fluid level and
vehicle for fluid leakage.
• Adjust brake lever free play.
• Replace brake pads. Whenever worn to the limit
4*Rear brake• Check operation, fluid level and
vehicle for fluid leakage.
• Replace brake pads. Whenever worn to the limit
5*Brake hoses• Check for cracks or damage.
• Check for correct routing and
clamping.
• Replace. Every 4 years
6*Wheels• Check runout, spoke tightness
and for damage.
• Tighten spokes if necessary.
7*Tires• Check tread depth and for
damage.
• Replace if necessary.
• Check air pressure.
• Correct if necessary.
8*Wheel bearings• Check bearing for looseness or
damage.
32D-9-E6.book 4 ページ ２０１１年１月７日　金曜日　午後３時１０分

PERIODIC MAINTENANCE AND ADJUSTMENT
6-7
2
3
4
567
8
9
EAU18670
TIP
The air filter needs more frequent service if you are riding in unusually wet or dusty areas.

Hydraulic brake service
• Regularly check and, if necessary, correct the brake fluid level.
• Every two years replace the internal components of the brake master cylinders and calipers, and change the brake
fluid.• Replace the brake hoses every four years and if cracked or damaged.
32D-9-E6.book 7 ページ ２０１１年１月７日　金曜日　午後３時１０分

PERIODIC MAINTENANCE AND ADJUSTMENT
6-17
2
3
4
567
8
9 18. Start the engine, and then check
the vehicle for coolant leakage. If
coolant is leaking, have a Yamaha
dealer check the cooling system.
19. Install the panels.
EAU44323
Cleaning the air filter element
and check hose The air filter element should be cleaned
or replaced at the intervals specified in
the periodic maintenance and lubrica-
tion chart. Clean or, if necessary, re-
place the air filter element more
frequently if you are riding in unusually
wet or dusty areas. In addition, the air
filter check hose must be frequently
checked and cleaned if necessary.
To clean the air filter element
1. Remove panel B. (See page 6-8.)
2. Open the air filter case cover by re-
moving the screw and pulling the
case cover outward as shown.3. Unhook the holding clip, and then
pull the air filter element out.
4. Remove the sponge material from
the air filter element frame, clean it
1. Screw
2. Air filter case cover
1. Holding clip
2. Air filter element
2
11
2
32D-9-E6.book 17 ページ ２０１１年１月７日　金曜日　午後３時１０分

PERIODIC MAINTENANCE AND ADJUSTMENT
6-18
1
2
3
4
56
7
8
9with 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]
5. Apply oil of the recommended type
to the entire surface of the sponge
material, and then squeeze the ex-
cess oil out.
TIPThe sponge material should be wet butnot dripping.
6. Pull the sponge material over the
air filter element frame.
7. Insert the air filter element into the
air filter case. NOTICE: Make sure
that the air filter element is prop-
erly seated in the air filter case.
The engine should never be op-erated without the air filter ele-
ment installed, otherwise the
piston(s) and/or cylinder(s) may
become excessively worn.
[ECA10481]

8. Place the holding clip in the origi-
nal position.
9. Close the air filter case cover, and
then install the screw.
10. Install the panel.
To clean the air filter check hose
1. Check the hose at the bottom of
the air filter case for accumulated
dirt or water.
2. If dirt or water is visible, remove
the hose, clean it, and then install
it.
1. Sponge material
2. Air filter element frame
1
2
Recommended oil:
Yamaha foam air filter oil or other
quality foam air filter oil
1. Air filter check hose
1
32D-9-E6.book 18 ページ ２０１１年１月７日　金曜日　午後３時１０分

8-1
2
3
4
5
6
789
SPECIFICATIONS
EAU50912
Dimensions:Overall length:
2180 mm (85.8 in)
Overall width:
810 mm (31.9 in)
Overall height:
1230 mm (48.4 in)
Seat height:
930 mm (36.6 in)
Wheelbase:
1420 mm (55.9 in)
Ground clearance:
300 mm (11.81 in)
Minimum turning radius:
2300 mm (90.6 in)Weight:Curb weight:
134 kg (295 lb)Engine:Engine type:
Liquid cooled 4-stroke, DOHC
Cylinder arrangement:
Single cylinder
Displacement:
250 cm
3
Bore  stroke:
77.0  53.6 mm (3.03  2.11 in)
Compression ratio:
11.80 : 1
Starting system:
Electric starter
Lubrication system:
Wet sump
Engine oil:Recommended brand:
YAMALUBE
Type:
SAE 10W-30, 10W-40, 10W-50, 15W-40,
20W-40 or 20W-50
Recommended engine oil grade:
API service SG type or higher, JASO stan-
dard MA
Engine oil quantity:
Without oil filter element replacement:
1.30 L (1.37 US qt, 1.14 Imp.qt)
With oil filter element replacement:
1.40 L (1.48 US qt, 1.23 Imp.qt)Cooling system:Coolant reservoir capacity (up to the maxi-
mum level mark):
0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator capacity (including all routes):
0.90 L (0.95 US qt, 0.79 Imp.qt)Air filter:Air filter element:
Wet element
Fuel:Recommended fuel:
Premium unleaded gasoline only
Fuel tank capacity:
7.6 L (2.01 US gal, 1.67 Imp.gal)
Fuel reserve amount:
2.1 L (0.55 US gal, 0.46 Imp.gal)Fuel injection:Throttle body:
ID mark:
3D71 10Spark plug(s):Manufacturer/model:
NGK/CR9EK
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)Clutch:Clutch type:
Wet, multiple-discTransmission:Primary reduction ratio:
3.120 (78/25)
Final drive:
Chain
Secondary reduction ratio:
3.308 (43/13)
Transmission type:
Constant mesh 6-speed
Operation:
Left foot operation
–20 –10 0
1020 30 40 50 C 10 30 50 70 90 110 0 130 F
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40SAE 10W-50
32D-9-E6.book 1 ページ ２０１１年１月７日　金曜日　午後３時１０分

INDEX
AAir filter element and check hose,
cleaning ................................................. 6-17
Auxiliary light bulb, replacing ................... 6-38BBattery ..................................................... 6-32
Brake and clutch levers, checking and
lubricating .............................................. 6-29
Brake fluid, changing ............................... 6-26
Brake fluid level, checking ....................... 6-25
Brake lever .............................................. 3-10
Brake lever free play, adjusting ............... 6-23
Brake light switches ................................. 6-24
Brake pedal ............................................. 3-10
Brake pedal, checking and lubricating ..... 6-30CCables, checking and lubricating ............. 6-29
Care ........................................................... 7-1
Catalytic converter ................................... 3-13
Clutch lever................................................ 3-9
Clutch lever free play, adjusting .............. 6-22
Coolant .................................................... 6-14
Coolant temperature warning light............. 3-2DDimmer switch ........................................... 3-9
Drive chain, cleaning and lubricating ....... 6-28
Drive chain slack ..................................... 6-27EEngine break-in ......................................... 5-3
Engine idling speed ................................. 6-19
Engine oil and oil filter element................ 6-12
Engine stop switch..................................... 3-9
Engine trouble warning light ...................... 3-3
EXUP system .......................................... 3-18
FFront and rear brake pads, checking ...... 6-25
Front fork, adjusting ................................ 3-14
Front fork, bleeding ................................. 3-16
Front fork, checking................................. 6-31
Fuel ......................................................... 3-11
Fuel consumption, tips for reducing .......... 5-3
Fuel level warning light .............................. 3-2
Fuel tank cap........................................... 3-11
Fuses, replacing ...................................... 6-34HHandlebar switches ................................... 3-8
Headlight bulb, replacing......................... 6-35
Helmet holder .......................................... 3-14
High beam indicator light ........................... 3-2
Horn switch ............................................... 3-9IIdentification numbers ............................... 9-1
Ignition circuit cut-off system ................... 3-19
Indicator lights and warning lights ............. 3-2LLicense plate light bulb, replacing ........... 6-37MMain switch/steering lock .......................... 3-1
Maintenance and lubrication, periodic....... 6-4
Maintenance, emission control system ..... 6-3
Matte color, caution ................................... 7-1
Model label ................................................ 9-1
Multi-function display................................. 3-3NNeutral indicator light ................................ 3-2PPanels, removing and installing ................ 6-8
Parking ...................................................... 5-4Part locations .............................................2-1
SSafety information ......................................1-1
Seat ......................................................... 3-13
Shifting .......................................................5-2
Shift pedal ................................................3-10
Shift pedal, checking................................ 6-24
Shock absorber assembly, adjusting .......3-17
Sidestand .................................................3-19
Sidestand, checking and lubricating ........6-30
Spark plug, checking ............................... 6-11
Specifications.............................................8-1
Starting the engine.....................................5-1
Start switch ................................................3-9
Steering, checking ................................... 6-32
Storage ......................................................7-3
Supporting the motorcycle .......................6-38
Swingarm pivots, lubricating .................... 6-31TTail/brake light ......................................... 6-36
Throttle grip and cable, checking and
lubricating ..............................................6-29
Throttle grip free play, checking............... 6-19
Tires ......................................................... 6-20
Tool kit .......................................................6-2
Troubleshooting ....................................... 6-41
Troubleshooting charts ............................6-43
Turn signal indicator light ...........................3-2
Turn signal light bulb, replacing ............... 6-36
Turn signal switch ......................................3-9VValve clearance ....................................... 6-20
Vehicle identification number .....................9-1
32D-9-E6.book 2 ページ ２０１１年１月７日　金曜日　午後３時１０分