2005 YAMAHA XTZ125 steering

IX
IX
ACCESSORIES AND LOADING
Adding accessories or cargo to your machine can adversely affect stability and handling if the weight distribution of the machine
is changed. To avoid the possibility of an accident, extreme caution should be used if adding cargo or accessories to your
machine.
Use extra care if riding a machine which has added cargo or acessories. Genuine Yamaha accessories have been specifically
designed for use on this machine. Since Yamaha cannot test all other accessories which may be available, you must personally
be responsible for the proper selection, installation and use of non-Yamaha accessories.
You should use extreme caution when selecting and installing any accessories. Keep in mind these guidelines for mounting
accessories in addition to those provided under “LOADING”.
1. Never install accessories or carry cargo that would impair the performance of your machine. Carefully inspect the accessory
before using it to make sure it does not in any way reduce ground clearance or cornering clearance, limit suspension travel,
steering travel or control operation, or obscure lights or reflectors.
a. Accessories fitted to the handlebar or the front fork area can create instability due to improper weight distribution or aerodynamic
changes. If accessories are added to the handlebar or front fork area, they must be as lightweight as possible and should be kept
to a minimum.
b. Bulky or large accessories may seriously affect the stability of the machine due to aerodynamic effects. Wind may attempt
to lift the machine, or the machine may become unstable in cross winds. These accessories may also cause instability when
being passed by or passing large vehicles.
c. Certain accessories can displace the operator from his or her normal riding position. This improper position limits the
freedom of movement of the operator and may limit control ability. Therefore such accessories are not recommended.
2. Caution must be used if adding electrical accessories. If these accessories exceed the capacity of the machine’s electrical
system, an electric failure could result, which could cause a dangerous loss of lights or engine power.
ACCESSORIES AND LOADING
Adding accessories or cargo to your machine can adversely affect stability and handling if the weight distribution of the machine
is changed. To avoid the possibility of an accident, extreme caution should be used if adding cargo or accessories to your
machine.
Use extra care if riding a machine which has added cargo or acessories. Genuine Yamaha accessories have been specifically
designed for use on this machine. Since Yamaha cannot test all other accessories which may be available, you must personally
be responsible for the proper selection, installation and use of non-Yamaha accessories.
You should use extreme caution when selecting and installing any accessories. Keep in mind these guidelines for mounting
accessories in addition to those provided under “LOADING”.
1. Never install accessories or carry cargo that would impair the performance of your machine. Carefully inspect the accessory
before using it to make sure it does not in any way reduce ground clearance or cornering clearance, limit suspension travel,
steering travel or control operation, or obscure lights or reflectors.
a. Accessories fitted to the handlebar or the front fork area can create instability due to improper weight distribution or aerodynamic
changes. If accessories are added to the handlebar or front fork area, they must be as lightweight as possible and should be kept
to a minimum.
b. Bulky or large accessories may seriously affect the stability of the machine due to aerodynamic effects. Wind may attempt
to lift the machine, or the machine may become unstable in cross winds. These accessories may also cause instability when
being passed by or passing large vehicles.
c. Certain accessories can displace the operator from his or her normal riding position. This improper position limits the
freedom of movement of the operator and may limit control ability. Therefore such accessories are not recommended.
2. Caution must be used if adding electrical accessories. If these accessories exceed the capacity of the machine’s electrical
system, an electric failure could result, which could cause a dangerous loss of lights or engine power.

XI
XI
ÍNDICE
DESCRIPTION XTZ 125K ................................... 1-1
DESCRIPTION XTZ 125E ................................... 1-2
MACHINE IDENTIFICATION ................................ 2-1
Vehicle identification number.................... 2-1
Engine serial number................................ 2-1
CONTROL FUNCTIONS...................................... 3-1
Main switch............................................... 3-1
Indicator lights........................................... 3-2
Speedometer ............................................ 3-3
Handlebar switches over left .................... 3-4
Handlebar switches over right .................. 3-5
Clutch lever............................................... 3-6
Shift pedal................................................. 3-6
Front brake lever ....................................... 3-7
Rear brake pedal...................................... 3-7
Fuel tank cap ............................................ 3-8
Fuel cock .................................................. 3-9
Starter lever.............................................. 3-10
Kick Starter............................................... 3-10
Steering lock............................................. 3-11
Seat ........................................................... 3-12
Side covers............................................... 3-13
Rear shock absorber................................ 3-14
Clutch switch operation check .................. 3-15PRE-OPERATION CHECKS ................................ 4-1
Brakes ....................................................... 4-3
Brake fluid leakage ................................... 4-4
Engine oil .................................................. 4-4
Tires .......................................................... 4-5
Clutch ........................................................ 4-8
Throttle grip............................................... 4-8
Fitting/Fasteners ....................................... 4-8
Switches .................................................... 4-8
Wheels ...................................................... 4-8
Fuel ........................................................... 4-9
OPERATION AND IMPORTANT RIDING
POINTS ................................................................. 5-1
Starting a cold engine ............................... 5-2
Starting a warm engine ............................. 5-5
Warming up the engine ............................. 5-5
Shifting ...................................................... 5-6
Tips for reducing fuel consumption ........... 5-7
Engine Break-in........................................ 5-7
Parking ...................................................... 5-8
PERIODIC MAINTENANCE AND MINOR
REPAIRS .............................................................. 6-1
ÍNDICE
DESCRIPTION XTZ 125K ................................... 1-1
DESCRIPTION XTZ 125E ................................... 1-2
MACHINE IDENTIFICATION ................................ 2-1
Vehicle identification number.................... 2-1
Engine serial number................................ 2-1
CONTROL FUNCTIONS...................................... 3-1
Main switch............................................... 3-1
Indicator lights........................................... 3-2
Speedometer ............................................ 3-3
Handlebar switches over left .................... 3-4
Handlebar switches over right .................. 3-5
Clutch lever............................................... 3-6
Shift pedal................................................. 3-6
Front brake lever ....................................... 3-7
Rear brake pedal...................................... 3-7
Fuel tank cap ............................................ 3-8
Fuel cock .................................................. 3-9
Starter lever.............................................. 3-10
Kick Starter............................................... 3-10
Steering lock............................................. 3-11
Seat ........................................................... 3-12
Side covers............................................... 3-13
Rear shock absorber................................ 3-14
Clutch switch operation check .................. 3-15PRE-OPERATION CHECKS ................................ 4-1
Brakes ....................................................... 4-3
Brake fluid leakage ................................... 4-4
Engine oil .................................................. 4-4
Tires .......................................................... 4-5
Clutch ........................................................ 4-8
Throttle grip............................................... 4-8
Fitting/Fasteners ....................................... 4-8
Switches .................................................... 4-8
Wheels ...................................................... 4-8
Fuel ........................................................... 4-9
OPERATION AND IMPORTANT RIDING
POINTS ................................................................. 5-1
Starting a cold engine ............................... 5-2
Starting a warm engine ............................. 5-5
Warming up the engine ............................. 5-5
Shifting ...................................................... 5-6
Tips for reducing fuel consumption ........... 5-7
Engine Break-in........................................ 5-7
Parking ...................................................... 5-8
PERIODIC MAINTENANCE AND MINOR
REPAIRS .............................................................. 6-1

XII
XII
Tool kit ...................................................... 6-2
PERIODIC MAINTENANCE/LUBRICATION ........ 6-3
Torque specifications................................ 6-5
Engine oil .................................................. 6-6
Oil pressure .............................................. 6-9
Air filter...................................................... 6-10
Carburetor adjustment.............................. 6-12
Valve clearance adjustment...................... 6-12
Idle speed adjustment............................... 6-13
Throttle cable adjustment ......................... 6-14
Spark plug inspection............................... 6-15
Clutch adjustment..................................... 6-16
Front brake adjustment............................. 6-17
Rear brake adjustment ............................. 6-18
Brake light switch adjustment ...................6-20
Checking the front brake pads and rear brake
shoes ........................................................ 6-20
Front brake............................................... 6-21
Rear brake................................................ 6-21
Inspecting the brake fluid level ................. 6-22
Brake fluid replacement ............................ 6-23
Drive chain slack check ............................ 6-24
Drive chain slack adjustment .................... 6-25
Drive chain lubrication.............................. 6-26
Cable inspection and lubrication............... 6-26Throttle cable and grip lubrication ............6-27
Brake and shift pedals ..............................6-27
Brake and clutch levers ............................6-27
Rear suspension....................................... 6-28
Sidestand .................................................. 6-28
Front fork inspection................................. 6-29
Rear shock absorber adjustment ..............6-30
Steering inspection................................... 6-31
Wheel bearings......................................... 6-31
Battery...................................................... 6-32
Replenishing the battery fluid ................... 6-33
Storage the battery................................... 6-34
Fuse replacement..................................... 6-34
Headlight bulb replacement...................... 6-35
Front wheel removal................................. 6-37
Front wheel installation............................. 6-38
Rear wheel removal.................................. 6-39
Rear wheel installation.............................. 6-40
Troubleshooting ........................................ 6-41
Troubleshooting chart ............................... 6-42
CLEANING AND STORAGE ................................ 7-1
Cleaning .................................................... 7-1
Storage ..................................................... 7-2
SPECIFICATIONS ................................................ 8-1
Tool kit ...................................................... 6-2
PERIODIC MAINTENANCE/LUBRICATION ........ 6-3
Torque specifications................................ 6-5
Engine oil .................................................. 6-6
Oil pressure .............................................. 6-9
Air filter...................................................... 6-10
Carburetor adjustment.............................. 6-12
Valve clearance adjustment...................... 6-12
Idle speed adjustment............................... 6-13
Throttle cable adjustment ......................... 6-14
Spark plug inspection............................... 6-15
Clutch adjustment..................................... 6-16
Front brake adjustment............................. 6-17
Rear brake adjustment ............................. 6-18
Brake light switch adjustment ...................6-20
Checking the front brake pads and rear brake
shoes ........................................................ 6-20
Front brake............................................... 6-21
Rear brake................................................ 6-21
Inspecting the brake fluid level ................. 6-22
Brake fluid replacement ............................ 6-23
Drive chain slack check ............................ 6-24
Drive chain slack adjustment .................... 6-25
Drive chain lubrication.............................. 6-26
Cable inspection and lubrication............... 6-26Throttle cable and grip lubrication ............6-27
Brake and shift pedals ..............................6-27
Brake and clutch levers ............................6-27
Rear suspension....................................... 6-28
Sidestand .................................................. 6-28
Front fork inspection................................. 6-29
Rear shock absorber adjustment ..............6-30
Steering inspection................................... 6-31
Wheel bearings......................................... 6-31
Battery...................................................... 6-32
Replenishing the battery fluid ................... 6-33
Storage the battery................................... 6-34
Fuse replacement..................................... 6-34
Headlight bulb replacement...................... 6-35
Front wheel removal................................. 6-37
Front wheel installation............................. 6-38
Rear wheel removal.................................. 6-39
Rear wheel installation.............................. 6-40
Troubleshooting ........................................ 6-41
Troubleshooting chart ............................... 6-42
CLEANING AND STORAGE ................................ 7-1
Cleaning .................................................... 7-1
Storage ..................................................... 7-2
SPECIFICATIONS ................................................ 8-1

2-1
2-1
Vehicle identification number


 

 
Engine serial number

  

Model code is indicated by 4th to 8th
digits and serial
number is indicated by 12th to 17th digits . Record these
numbers for reference in case of ordering parts from a
Yamaha dealer.
AB
MACHINE IDENTIFICATION
The vehicle identification number is stamped into the
steering head pipe.Record this number in the space
provided.The engine serial number is stamped on right-hand engine
crankcase.
NOTE:
Vehicle identification number


 

 
Engine serial number

  

Model code is indicated by 4th to 8th
digits and serial
number is indicated by 12th to 17th digits . Record these
numbers for reference in case of ordering parts from a
Yamaha dealer.
AB
MACHINE IDENTIFICATION
The vehicle identification number is stamped into the
steering head pipe.Record this number in the space
provided.The engine serial number is stamped on right-hand engine
crankcase.
NOTE:

3-1
3-1
CONTROL FUNCTIONS
Main switchThe main switch controls the ignition and the electrical
system. It’s operation is described below.
ON:
Electrical circuits are switched on. Engine can be started.
The key cannot be removed.
OFF:
All electrical circuits are switched off. The key can be
removed.
LOCK:
The steering is locked and all electrical circuits are switched
off. The key can be removed. Refer to page (3-11) “Steering
lock” for instructions.
NOTE:
Always turn the main switch to “OFF” or “LOCK” and
remove the key when the motorcycle is unattended.
CONTROL FUNCTIONS
Main switchThe main switch controls the ignition and the electrical
system. It’s operation is described below.
ON:
Electrical circuits are switched on. Engine can be started.
The key cannot be removed.
OFF:
All electrical circuits are switched off. The key can be
removed.
LOCK:
The steering is locked and all electrical circuits are switched
off. The key can be removed. Refer to page (3-11) “Steering
lock” for instructions.
NOTE:
Always turn the main switch to “OFF” or “LOCK” and
remove the key when the motorcycle is unattended.

3-11
3-11

# 4 
The steering is locked when the main switch is turned to
“LOCK”. To lock the steering, turn the handlebars all the
way to the left. With the key at “OFF” position, push it into
the main switch and release it, turn it counterclockwise to
“LOCK”, and remove the key. To release the lock, turn the
key to “OFF”.
WARNING:
Never turn the key to “LOCK” position when the
motorcycle is moving.
Steering lock
WARNING:

# 4 
The steering is locked when the main switch is turned to
“LOCK”. To lock the steering, turn the handlebars all the
way to the left. With the key at “OFF” position, push it into
the main switch and release it, turn it counterclockwise to
“LOCK”, and remove the key. To release the lock, turn the
key to “OFF”.
WARNING:
Never turn the key to “LOCK” position when the
motorcycle is moving.
Steering lock
WARNING:

6-3
6-3 PERIODIC MAINTENANCE / LUBRICATION
Wheel bearings* Battery
Check looseness and damage. Check electrolyte level, routing breather pipe.
ITEM
How it sounds
/ Adjust if necessary.
REMARKS1,000KM
Fuel line Air filter
Carburetor*Valves*
Muffler
Brakes* Engine oil
Steering bearings* Rear arm pivot*Check fuel hose, for cracks or damage.Clean or replace if necessary.
Adjust
Check damage, Retighten.
Check operation, adjust.
Grease the brake cam. Replace / Check level
Check loosenes.
Repack every 12,000 km or 12 month.** Check rear arm assembly for looseness.
Moderately repack.***
EVERY
3,000KM
OR ERERY
6 MONTHS
Wheels and tires
Check tire pressure, runout and spoke tightness.
Spark plugCheck condition and clean if necessary.
Replace if necessary every 12,000 Km.
3,000KM
PERIODIC MAINTENANCE / LUBRICATION
Wheel bearings* Battery
Check looseness and damage. Check electrolyte level, routing breather pipe.
ITEM
How it sounds
/ Adjust if necessary.
REMARKS1,000KM
Fuel line Air filter
Carburetor*Valves*
Muffler
Brakes* Engine oil
Steering bearings* Rear arm pivot*Check fuel hose, for cracks or damage.Clean or replace if necessary.
Adjust
Check damage, Retighten.
Check operation, adjust.
Grease the brake cam. Replace / Check level
Check loosenes.
Repack every 12,000 km or 12 month.** Check rear arm assembly for looseness.
Moderately repack.***
EVERY
3,000KM
OR ERERY
6 MONTHS
Wheels and tires
Check tire pressure, runout and spoke tightness.
Spark plugCheck condition and clean if necessary.
Replace if necessary every 12,000 Km.
3,000KM

6-31
6-31
Wheel bearings
If there is play in the front or rear wheel hub or if the wheel
does not turn smoothly, have a Yamaha dealer inspect the
wheel bearings. The wheel bearings should be inspected
according to the Maintenance Schedule. Steering inspection
Securely support the motorcycle so there is no danger
of it falling over. Periodically inspect the condition of the steering. Worn out
or loose steering bearings may be dangerous. Place a stand
under the engine to raise the front wheel off the ground.
Hold the lower end of the front forks and try to move them
forward and backward. If any free play can be felt, ask a
Yamaha dealer to inspect and adjust the steering. Inspection
is easier if the front wheel is removed.
WARNING:
Wheel bearings
If there is play in the front or rear wheel hub or if the wheel
does not turn smoothly, have a Yamaha dealer inspect the
wheel bearings. The wheel bearings should be inspected
according to the Maintenance Schedule. Steering inspection
Securely support the motorcycle so there is no danger
of it falling over. Periodically inspect the condition of the steering. Worn out
or loose steering bearings may be dangerous. Place a stand
under the engine to raise the front wheel off the ground.
Hold the lower end of the front forks and try to move them
forward and backward. If any free play can be felt, ask a
Yamaha dealer to inspect and adjust the steering. Inspection
is easier if the front wheel is removed.
WARNING: