engine coolant YAMAHA WR 250X 2008 User Guide

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

SPECIFICATIONS
8-3
2
3
4
5
6
7
89 Battery:

Model:
YTZ7S
Voltage, capacity:
12 V, 6.0 Ah
Headlight:
Bulb type:
Halogen bulb
Bulb voltage, wattage
×
quantity:
Headlight:
12 V, 60 W/55.0 W
Tail/brake light:
LED
Front turn signal light:
12 V, 10.0 W
×
2
Rear turn signal light:
12 V, 10.0 W
×
2
Auxiliary light:
12 V, 5.0 W
×
1
License plate light:
12 V, 5.0 W
Meter lighting:
EL (Electroluminescent)
Neutral indicator light:
LED
High beam indicator light:
LED
Turn signal indicator light:
LED
Fuel level warning light:
LED
Coolant temperature warning light:
LEDEngine trouble warning light:
LED

Fuses:
Main fuse:
30.0 A
Headlight fuse:
15.0 A
Signaling system fuse:
10.0 A
Ignition fuse:
7.5 A
Radiator fan fuse:
7.5 A
Fuel injection system fuse:
7.5 A
Backup fuse:
7.5 A

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