Page 6 of 88
TABLE OF CONTENTSSAFETY INFORMATION ..................1-1
DESCRIPTION ..................................2-1
Left view ..........................................2-1
Right view ........................................2-3
Controls and instruments.................2-5
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 ........................3-5
Clutch lever .....................................3-6
Shift pedal .......................................3-6
Brake lever .....................................3-6
Brake pedal ....................................3-7
Fuel tank cap ..................................3-7
Fuel .................................................3-8
Catalytic converters ........................3-9
Seat ..............................................3-10
Adjusting the shock absorber
assembly ...................................3-10
Sidestand ......................................3-11
Ignition circuit cut-off system ........3-12FOR 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 ............................... 6-1
Periodic maintenance chart for
the emission control system ....... 6-2
General maintenance and
lubrication chart .......................... 6-3
Removing and installing panels ..... 6-7
Checking the spark plug ................. 6-8
Engine oil and oil filter element ...... 6-9
Coolant ......................................... 6-12
Replacing the air filter element
and cleaning the check hose .... 6-13
Adjusting the engine idling
speed ........................................ 6-14
Adjusting the throttle cable free
play ........................................... 6-14
Valve clearance ............................ 6-15
Tires ............................................. 6-15Spoke wheels .............................. 6-17
Adjusting the clutch lever free
play ........................................... 6-18
Checking the front brake lever
free play .................................... 6-19
Adjusting the brake pedal free
play ........................................... 6-19
Checking the front and rear
brake pads ................................ 6-19
Checking the brake fluid level ...... 6-20
Changing the brake fluid .............. 6-21
Drive chain slack .......................... 6-21
Cleaning and lubricating the
drive chain ................................ 6-23
Checking and lubricating the
cables ....................................... 6-23
Checking and lubricating the
throttle grip and cable ............... 6-24
Checking and lubricating the
brake and clutch levers ............ 6-24
Checking and lubricating the
brake pedal ............................... 6-25
Checking and lubricating the
sidestand .................................. 6-25
Lubricating the swingarm
pivots ........................................ 6-25
Checking the front fork ................. 6-26
Checking the steering .................. 6-26
Checking the wheel bearings ....... 6-27
Battery ......................................... 6-27
Replacing the fuses ..................... 6-29U22BE0E0.book Page 1 Wednesday, December 17, 2008 11:00 AM
Page 7 of 88
TABLE OF CONTENTS
Replacing the headlight bulb ........ 6-29
Replacing a tail/brake light bulb ... 6-30
Replacing a turn signal light
bulb ........................................... 6-31
Replacing the license plate light
bulb ........................................... 6-31
Replacing an auxiliary light bulb ... 6-31
Supporting the motorcycle ............ 6-32
Front wheel ................................... 6-32
Rear wheel ................................... 6-34
Troubleshooting ............................ 6-35
Troubleshooting charts ................. 6-37
MOTORCYCLE CARE AND
STORAGE.......................................... 7-1
Care ................................................ 7-1
Storage ...........................................7-3
SPECIFICATIONS ............................. 8-1
CONSUMER INFORMATION............. 9-1
Identification numbers .................... 9-1
U22BE0E0.book Page 2 Wednesday, December 17, 2008 11:00 AM
Page 12 of 88
DESCRIPTION
2-1
2
EAU32220
Left viewWR125R1. Seat (page 3-10)
2. Coolant level check window (page 6-12)
3. Sidestand (page 3-11)
4. Shock absorber assembly spring preload adjusting ring (page 3-10)
5. Shift pedal (page 3-6)
6. Front brake pads (page 6-19)U22BE0E0.book Page 1 Wednesday, December 17, 2008 11:00 AM
Page 13 of 88
DESCRIPTION
2-2
2 WR125X
1. Seat (page 3-10)
2. Coolant level check window (page 6-12)
3. Sidestand (page 3-11)
4. Shock absorber assembly spring preload adjusting ring (page 3-10)
5. Shift pedal (page 3-6)
6. Front brake pads (page 6-19)
U22BE0E0.book Page 2 Wednesday, December 17, 2008 11:00 AM
Page 14 of 88
DESCRIPTION
2-3
2
EAU32230
Right viewWR125R1. Rear brake fluid reservoir (page 6-20)
2. Idle adjusting screw (page 6-14)
3. Front brake fluid reservoir (page 6-20)
4. Fuse box (page 6-29)
5. Battery (page 6-27)
6. Engine oil filter element (page 6-9)
7. Dipstick (page 6-9)8. Brake pedal (page 3-7)
9. Owner’s tool kit (page 6-1)
10.Rear brake pads (page 6-19)U22BE0E0.book Page 3 Wednesday, December 17, 2008 11:00 AM
Page 15 of 88
DESCRIPTION
2-4
2 WR125X
1. Rear brake fluid reservoir (page 6-20)
2. Idle adjusting screw (page 6-14)
3. Front brake fluid reservoir (page 6-20)
4. Fuse box (page 6-29)
5. Battery (page 6-27)
6. Engine oil filter element (page 6-9)
7. Dipstick (page 6-9)
8. Brake pedal (page 3-7)
9. Owner’s tool kit (page 6-1)10.Rear brake pads (page 6-19)
U22BE0E0.book Page 4 Wednesday, December 17, 2008 11:00 AM
Page 16 of 88
DESCRIPTION
2-5
2
EAU10430
Controls and instruments
12 34 567
1. Clutch lever (page 3-6)
2. Left handlebar switches (page 3-5)
3. Main switch/steering lock (page 3-1)
4. Multi-function display (page 3-3)
5. Right handlebar switches (page 3-5)
6. Throttle grip (page 6-14)
7. Brake lever (page 3-6)U22BE0E0.book Page 5 Wednesday, December 17, 2008 11:00 AM
Page 22 of 88
INSTRUMENT AND CONTROL FUNCTIONS
3-6
3
EAU12820
Clutch lever The clutch lever is located at the left
handlebar grip. To disengage the
clutch, pull the lever toward the handle-
bar grip. To engage the clutch, release
the lever. The lever should be pulled
rapidly and released slowly for smooth
clutch operation.
The clutch lever is equipped with a
clutch switch, which is part of the igni-
tion circuit cut-off system. (See page
3-12.)
EAU12870
Shift pedal The shift pedal is located on the left
side of the engine and is used in com-
bination with the clutch lever when
shifting the gears of the 6-speed con-
stant-mesh transmission equipped on
this motorcycle.
EAU12890
Brake lever The brake lever is located at the right
handlebar grip. To apply the front
brake, pull the lever toward the handle-
bar grip.
1. Clutch lever
1. Shift pedal
1. Brake lever
U22BE0E0.book Page 6 Wednesday, December 17, 2008 11:00 AM
