2008 YAMAHA WR 250X fuel filter

TABLE OF CONTENTS
SAFETY 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 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 .........................3-12
Seat ...............................................3-12
Helmet holder ................................3-13
Adjusting the front fork ...................3-13
Front fork bleeding .........................3-15
Adjusting the shock absorber
assembly ....................................3-15
EXUP system ................................3-17
Sidestand .......................................3-18
Ignition circuit cut-off system .........3-18
PRE-OPERATION CHECKS
.............. 4-1
Pre-operation check list ................... 4-2
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 MINOR
REPAIR
............................................... 6-1
Owner’s tool kit ................................ 6-1
Periodic maintenance and lubrication
chart ............................................. 6-2
Removing and installing panels ...... 6-6
Checking the spark plug .................. 6-8
Engine oil and oil filter element ....... 6-9
Coolant .......................................... 6-12
Cleaning the air filter element and
check hose ................................. 6-15
Adjusting the engine idling
speed ......................................... 6-17
Checking the throttle cable free
play ............................................ 6-18
Valve clearance ............................. 6-18
Tires .............................................. 6-18
Spoke wheels ................................ 6-20Adjusting the clutch lever free
play ............................................ 6-21
Adjusting the brake lever free
play ............................................ 6-22
Adjusting the rear brake light
switch ......................................... 6-22
Checking the front and rear brake
pads ........................................... 6-23
Checking the brake fluid level ....... 6-23
Changing the brake fluid ............... 6-24
Drive chain slack ........................... 6-25
Cleaning and lubricating the drive
chain .......................................... 6-26
Checking and lubricating the
cables ........................................ 6-27
Checking and lubricating the throttle
grip and cable ............................ 6-27
Checking and lubricating the brake
and shift pedals ......................... 6-27
Checking and lubricating the brake
and clutch levers ........................ 6-28
Checking and lubricating the
sidestand ................................... 6-29
Lubricating the rear suspension .... 6-29
Checking the front fork .................. 6-29
Checking the steering ................... 6-30
Checking the wheel bearings ........ 6-31
Battery ........................................... 6-31
Replacing the fuses ...................... 6-32
Replacing the headlight bulb ........ 6-33
Tail/brake light ............................... 6-35

8-1
2
3
4
5
6
7
89

SPECIFICATIONS
EAU2633N
Dimensions:
Overall length:
2115 mm (83.3 in)
Overall width:
810 mm (31.9 in)
Overall height:
1190 mm (46.9 in)
Seat height:
895 mm (35.2 in)
Wheelbase:
1425 mm (56.1 in)
Ground clearance:
265 mm (10.43 in)
Minimum turning radius:
2300 mm (90.6 in)
Weight:
With oil and fuel:
136.0 kg (300 lb)
Engine:
Engine type:
Liquid cooled 4-stroke, DOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
250.0 cm
3

Bore
×
stroke:
77.0
×
53.6 mm (3.03
×
2.11 in)
Compression ratio:
11.80 :1
Starting system:
Electric starterLubrication system:
Wet sump

Engine oil:
Type:
SAE 20W-40
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:
Manufacturer:
MIKUNI
Type/quantity:
38EIS/1
Spark plug (s):
Manufacturer/model:
NGK/CR9EK
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Clutch:
Clutch type:
Wet, multiple-disc
Transmission:
Primary reduction system:
Spur gear
Primary reduction ratio:
78/25 (3.120)
Secondary reduction system:
Chain drive
Secondary reduction ratio:
42/13 (3.231)
Transmission type:
Constant mesh 6-speed
-20 -10 0
10 20 30
40
50 ˚C
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40SAE 10W-50

INDEX
A
Air filter element and check hose,
cleaning ................................................ 6-15
Auxiliary light bulb, replacing .................. 6-36
B
Battery..................................................... 6-31
Brake and clutch levers, checking and
lubricating ............................................. 6-28
Brake and shift pedals, checking and
lubricating ............................................. 6-27
Brake fluid, changing .............................. 6-24
Brake fluid level, checking ...................... 6-23
Brake lever .............................................. 3-10
Brake lever free play, adjusting............... 6-22
Brake pedal ............................................. 3-10
C
Cables, checking and lubricating ............ 6-27
Care .......................................................... 7-1
Catalytic converter .................................. 3-12
Clutch lever ............................................... 3-9
Clutch lever free play, adjusting .............. 6-21
Coolant.................................................... 6-12
Coolant temperature warning light ............ 3-2
D
Dimmer switch .......................................... 3-9
Drive chain, cleaning and lubricating ...... 6-26
Drive chain slack ..................................... 6-25
E
Engine break-in ......................................... 5-3
Engine idling speed................................. 6-17
Engine oil and oil filter element ................. 6-9
Engine stop switch .................................... 3-9
Engine trouble warning light...................... 3-3
EXUP system .......................................... 3-17
F
Front and rear brake pads, checking .......6-23
Front fork, adjusting .................................3-13
Front fork, bleeding ..................................3-15
Front fork, checking .................................6-29
Fuel ..........................................................3-11
Fuel consumption, tips for reducing ...........5-3
Fuel level warning light ..............................3-2
Fuel tank cap ...........................................3-11
Fuses, replacing ......................................6-32
H
Handlebar switches ...................................3-8
Headlight bulb, replacing .........................6-33
Helmet holder ..........................................3-13
High beam indicator light ...........................3-2
Horn switch ................................................3-9
I
Identification numbers................................9-1
Ignition circuit cut-off system ...................3-18
Indicator and warning lights .......................3-2
K
Key identification number ..........................9-1
L
License plate light bulb, replacing ...........6-36
M
Main switch/steering lock ...........................3-1
Matte color, caution ...................................7-1
Model label ................................................9-2
Multi-function display .................................3-3
N
Neutral indicator light .................................3-2
P
Panels, removing and installing .................6-6Parking ...................................................... 5-4
Part locations............................................. 2-1
Periodic maintenance and lubrication
chart ........................................................ 6-2
Pre-operation check list ............................. 4-2
R
Rear brake light switch, adjusting............ 6-22
Rear suspension, lubricating ................... 6-29
S
Safety information ..................................... 1-1
Seat ......................................................... 3-12
Shifting ...................................................... 5-2
Shift pedal ............................................... 3-10
Shock absorber assembly, adjusting....... 3-15
Sidestand ................................................ 3-18
Sidestand, checking and lubricating ........ 6-29
Spark plug, checking ................................. 6-8
Specifications ............................................ 8-1
Starting the engine .................................... 5-1
Start switch ................................................ 3-9
Steering, checking ................................... 6-30
Storage ...................................................... 7-3
Supporting the motorcycle....................... 6-37
T
Tail/brake light ......................................... 6-35
Throttle cable free play, checking............ 6-18
Throttle grip and cable, checking and
lubricating .............................................. 6-27
Tires ........................................................ 6-18
Tool kit ....................................................... 6-1
Troubleshooting....................................... 6-40
Troubleshooting charts ............................ 6-41
Turn signal indicator light .......................... 3-2
Turn signal light bulb, replacing............... 6-35