Yamaha WR450F Owner'S Manual Download

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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 ..................................... 3-1
Indicator lights and warning

lights ............................................ 3-1

Multi-function display ...................... 3-2
Handlebar switches  ........................ 3-7
Clutch lever ..................................... 3-8
Shift pedal ....................................... 3-8
Brake lever  ..................................... 3-8
Brake pedal  .................................... 3-9
Fuel tank cap  .................................. 3-9
Fuel ............................................... 3-10
Fuel tank breather hose ................ 3-11
Catalytic converter ........................ 3-11
Starter knob  .................................. 3-12
Kickstarter ..................................... 3-12
Steering lock ................................. 3-13
Seat .............................................. 3-13
Adjusting the front fork .................. 3-14
Front fork bleeding ........................ 3-15
Adjusting the shock absorber

assembly ................................... 3-16

Sidestand ...................................... 3-18

Ignition circuit cut-off system ........ 3-19

FOR YOUR SAFETY –
PRE-OPERATION CHECKS

............. 4-1

OPERATION AND IMPORTANT
RIDING POINTS

................................. 5-1

Starting a cold engine  ....................  5-1
Starting a warm engine  ..................  5-3
Shifting ...........................................  5-3
Tips for reducing fuel

consumption ............................... 5-4

Engine break-in .............................. 5-4
Parking ........................................... 5-5

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 the

panel ........................................... 6-7

Checking the spark plug .................  6-7
Engine oil and oil filter element  ......  6-8
Coolant .........................................  6-12
Cleaning the air filter element

and check hose ......................... 6-14

Adjusting the engine idling

speed ........................................ 6-17

Checking the throttle grip free

play ............................................ 6-17

Valve clearance ............................ 6-18
Tires .............................................. 6-18
Spoke wheels ............................... 6-20
Adjusting the clutch lever free

play ............................................ 6-20

Checking the brake lever free

play ............................................ 6-21

Checking the shift pedal ............... 6-22
Brake light switches ...................... 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 clutch levers ............. 6-27

Checking and lubricating the

brake pedal ................................ 6-28

Checking and lubricating the

sidestand ................................... 6-28

Lubricating the swingarm