Page 13 of 368

LOCATION OF THE WARNING AND
SPECIFICATION LABELS .......................1-1
SAFETY INFORMATION .........................2-1
DESCRIPTION AND MACHINE
IDENTIFICATION.....................................3-1
Identification number records ...............3-3
Key identification number .....................3-5
Vehicle identification number ...............3-7
Model label ...........................................3-9
CONTROL FUNCTIONS..........................4-1
Main switch ...........................................4-1
Indicator and warning lights ..................4-3
Oil level warning light “OIL” ..................4-3
Oil level warning light checking
method ...............................................4-5
Handlebar switches ..............................4-9Throttle lever ......................................4-11
Throttle Override System ...................4-13
Speed limiter ......................................4-15
Clutch lever ........................................4-17
Front brake lever ................................4-17
Rear brake pedal ................................4-19
Parking brake .....................................4-19
Shift pedal ..........................................4-23
Kick starter .........................................4-23
Fuel tank cap ......................................4-25
Fuel cock ............................................4-25
Starter (choke) ....................................4-27
Seat ....................................................4-29
Front shock absorber adjustment .......4-31
Rear shock absorber adjustment .......4-33
PRE-OPERATION CHECKS ...................5-1
Front and rear brakes ...........................5-5
Fuel ......................................................5-9
EBU00015
CONTENTS
1
2
3
4
5
5KJ-62 (0~3 shou) 4/23/01 3:03 PM Page 12
Page 15 of 368

Spark plug inspection .........................8-21
Air filter cleaning .................................8-25
Carburetor settings .............................8-33
Idle speed adjustment ........................8-45
Throttle lever adjustment ....................8-47
Front brake shoe inspection ...............8-49
Rear brake pad inspection .................8-49
Front brake lever free play
adjustment ........................................8-51
Parking brake adjustment ...................8-55
Adjusting the rear brake light switch ...8-57
Clutch adjustment ...............................8-59
Autolube pump adjustment .................8-59
Drive chain slack check ......................8-61
Drive chain slack adjustment ..............8-63
Lubricating the drive chain .................8-65
Cable inspection and lubrication ........8-69
Brake and shift pedal/brake and
clutch lever lubrication ......................8-71
Upper arm and lower arm pivot
lubrication .........................................8-71Steering shaft lubrication ....................8-73
Wheel removal ...................................8-73
Wheel installation ...............................8-73
Replacing the headlight bulb ..............8-75
Headlight beam adjustment ................8-79
Tail/brake light bulb replacement .......8-81
Troubleshooting ..................................8-83
Troubleshooting chart .........................8-87
CLEANING AND STORAGE....................9-1
A. Cleaning ...........................................9-1
B. Storage ............................................9-7
SPECIFICATIONS .................................10-1
HOW TO USE THE CONVERSION
TABLE ....................................................11-1
9
10
11
5KJ-62 (0~3 shou) 4/23/01 3:03 PM Page 14
Page 55 of 368
3-1
EBU00032
DESCRIPTION AND MACHINE
IDENTIFICATION
1. Seat 11. Rear shock absorber
2. Fuel tank cap 12. Tail/brake light
3. Headlight 13. Rear wheel
4. Brake pedal 14. Shift pedal
5. Rear brake light switch 15. Clutch lever
6. Kick starter 16. Main switch
7. Front shock absorber 17. Parking brake
8. Front wheel 18. Front brake lever
9. Fuel cock 19. Throttle lever
10. Starter (choke) 20. Handlebar switch
NOTE:
The machine you have purchased may differ
slightly from those shown in the figures of this
manual.
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5KJ-62 (0~3 shou) 4/23/01 3:03 PM Page 54
Page 101 of 368
5-1
EBU00113
PRE-OPERATION CHECKS
Before using this machine, check the following points:
ITEM ROUTINE PAGE
Front brake9Check operation, condition and free play.
5-5~ 5-7, 8-49 ~ 8-53
9Adjust if necessary.
Rear brake9Check operation and brake pad. 5-5 ~ 5-7, 8-49
Clutch9Check operation, condition and lever free play. 8-59
Parking brake9Check operation, condition and cable free play. 8-55
Fuel 9Check fuel level.
9Fill with fuel if necessary.5-9 ~ 5-11
Transmission oil9Check oil level.
9Fill with oil if necessary.5-15, 8-13 ~ 8-19
Engine oil9Check oil level.
9Fill with oil if necessary.5-13
Drive chain9Check chain slack and condition.
9Adjust if necessary.5-17, 8-61 ~ 8-67
Throttle9Check for proper throttle cable operation. 5-17, 8-47
Wheels and tires9Check tire pressure, wear and damage. 5-21 ~ 5-27, 8-73
Fittings and Fasteners9Check all fittings and fasteners. 5-17
Lights9Check for proper operation. 5-19, 8-75 ~ 8-81
5KJ-62 (4~5 shou) 4/23/01 3:04 PM Page 38
Page 305 of 368
8-57
EBU00833
Adjusting the rear brake light switch
The rear brake light switch, which is activated by
the brake pedal and brake lever, is properly
adjusted when the brake light comes on just
before braking takes effect. If necessary, adjust
the brake light switch as follows.
Turn the adjusting nut while holding the rear
brake light switch in place. To make the brake
light come on earlier, turn the adjusting nut in
direction a. To make the brake light come on
later, turn the adjusting nut in direction b.
ba
q
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1. Rear brake light switch1. Contacteur de feu stop sur frein arrière1. Interruptor de la luz de freno trasero
2. Adjusting nut
2.Écrou de réglage2. Tuerca de ajuste
5KJ-62 (8 shou) 4/23/01 3:08 PM Page 58
Page 329 of 368
8-81
EBU00861
Tail/brake light bulb replacement
1. Remove the bulb holder (together with the
bulb) by turning it counterclockwise.
2. Remove the defective bulb from the bulb
holder by pushing it inward and turning it
counterclockwise.
3. Install a new bulb in the bulb holder by
pushing it inward and turning it clockwise.
4. Install the bulb holder (together with the
bulb).
q
q
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1. Bulb holder1. Fixation d’ampoule1. Portabombillas
1. Bulb holder 2. Bulb
1. Fixation d’ampoule 2. Ampoule
1. Portabombillas 2. Bombilla
5KJ-62 (8 shou) 4/23/01 3:08 PM Page 82
Page 353 of 368
10-5
Model YFS200
Suspension:
Front suspension Double wishbone
Rear suspension Swingarm (monocross)
Shock absorber:
Front shock absorber Coil spring/Oil damper
Rear shock absorber Coil spring/Gas-oil damper
Wheel travel:
Front wheel travel 180 mm
Rear wheel travel 180 mm
Electrical:
Ignition system C.D.I.
Generator system C.D.I. magneto
Headlight type: Bulb type
Bulb voltage, wattage ×quantity:
Headlight 12V, 45 W/45 W ×1
Tail/brake light 12V, 5/21 W ×1
Indicator light:
Oil level 12V, 3.4 W ×1
5KJ-62 (9 shou ~) 4/23/01 3:09 PM Page 16