
2-1
2
EAU00026
2-DESCRIPTIONLeft view1. Shift pedal (page 3-6)
2. Starter (choke) knob (page 3-9)
3. Fuel cock (page 3-8)
4. Steering lock (page 3-9)
5. Tool kit (page 6-1)6. Seat lock (page 3-10)
7. Rear turn signal lights (page 6-28)
8. Tail/brake light (page 6-28)
9. Mufflers
10. Fuses (page 6-25)
E_4YP_Description.fm Page 1 Wednesday, October 6, 1999 10:03 AM

6
PERIODIC MAINTENANCE AND MINOR REPAIR
Tool kit................................................................... 6-1
Periodic maintenance and lubrication ................... 6-3
Spark plugs........................................................... 6-6
Engine oil .............................................................. 6-7
Final gear oil ....................................................... 6-10
Coolant ............................................................... 6-10
Carburetor adjustment ........................................ 6-11
Idle speed adjustment ........................................ 6-11
Throttle cable free play inspection ...................... 6-12
Valve clearance adjustment ................................ 6-12
Tires .................................................................... 6-13
Wheels ................................................................ 6-15
Clutch lever free play adjustment........................ 6-16
Front brake lever free play adjustment ................ 6-17
Rear brake pedal height adjustment ................... 6-17Brake light switch adjustment ............................. 6-18
Checking the front and rear brake pads ............. 6-19
Inspecting the brake fluid level ........................... 6-19
Brake fluid replacement ..................................... 6-21
Brake and shift pedal lubrication ........................ 6-21
Brake and clutch lever lubrication ...................... 6-22
Sidestand lubrication.......................................... 6-22
Front fork inspection ........................................... 6-23
Battery................................................................ 6-23
Fuse replacement .............................................. 6-25
Headlight bulb replacement ............................... 6-27
Turn signal and taillight bulb replacement .......... 6-28
Troubleshooting .................................................. 6-28
Troubleshooting chart ......................................... 6-29
E_4YP_PeriodicTOC.fm Page 1 Wednesday, October 6, 1999 10:05 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-25
6
EAU01702
Fuse replacementSub fuse box
The sub fuse box is located behind the
upper left side panel. To remove the
panel, remove the screw and pull the
panel outward.Main fuse box
The main fuse box is located behind
the lower left side panel.
To remove the panel
1. Remove the upper side panel.
(See under “Sub fuse box”.)
2. Remove the left passenger foot-
rest by removing the bolts.
3. Remove the screw and pull the
panel outward.1. Screw
1. Ignition fuse
2. Signaling system fuse
3. Headlight fuse
4. Fan fuse
5. Odometer fuse
6. Spare fuse (´ 3)
Specified fuses:
Ignition fuse: 10 A
Signaling system fuse: 20 A
Headlight fuse: 20 A
Fan fuse: 10 A
Odometer fuse: 5 A
1. Bolt (´ 2)
2. Screw
E_4YP_Periodic.fm Page 25 Wednesday, October 6, 1999 10:05 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-26
6 If any fuse is blown, turn off the main
switch and the switch of the circuit in
question. Install a new fuse of specified
amperage. Turn on the switches and
see if the electrical device operates. If
the fuse immediately blows again, con-
sult a Yamaha dealer.
EC000103
CAUTION:@ Do not use fuses of higher amper-
age rating than those recommend-
ed. Substitution of a fuse of
improper rating can cause extensive
electrical system damage and pos-
sibly a fire. @1. Main fuse
2. Spare fuseSpecified fuse:
Main fuse: 30 A
E_4YP_Periodic.fm Page 26 Wednesday, October 6, 1999 10:05 AM

SPECIFICATIONS
8-4
8
Headlight typeQuar tz bulb (halogen)
Bulb voltage, wattage ´ quantity
Headlight 12 V, 60/55 W ´ 1
Auxiliary light 12 V, 4 W ´ 1
Tail/brake light 12 V, 5/21 W ´ 1
Turn signal lights 12 V, 21 W ´ 4
Meter light 14 V, 1.4 W ´ 2
Neutral indicator light 12 V, 1.7 W ´ 1
High beam indicator light 12 V, 1.7 W ´ 1
Oil level indicator light 12 V, 1.7 W ´ 1
Turn indicator light 12 V, 1.7 W ´ 1
Fuel level indicator light 14 V, 3 W ´ 1
Engine overheat indicator light 12 V, 1.7 W ´ 1
Overdrive / Engine trouble
indicator light 12 V, 1.7 W ´ 1
Fuses
Main fuse 30 A
Ignition fuse 10 A
Signaling system fuse 20 A
Headlight fuse 20 A
Fan fuse 10 A
Odometer fuse 5 A
E_4YP_Spec.fm Page 4 Wednesday, October 6, 1999 10:06 AM

10-INDEXAAdjusting front fork preload .................... 3-12
Adjusting rear shock absorber
preload ................................................ 3-13
Antitheft alarm (optional) ..........................3-3BBattery ................................................... 6-23
Brake and clutch lever lubrication........... 6-22
Brake and shift pedal lubrication ............ 6-21
Brake fluid replacement ......................... 6-21
Brake light switch adjustment ................. 6-18CCarburetor adjustment ........................... 6-11
Care.........................................................7-1
Checking the front and
rear brake pads ................................... 6-19
Clutch lever ..............................................3-5
Clutch lever free play adjustment ........... 6-16
Controls/Instruments ................................2-3
Coolant .................................................. 6-10DDimmer switch .........................................3-4EEngine break-in........................................5-5
Engine oil .................................................6-7
Engine overheat indicator light .................3-2
Engine stop switch ...................................3-5FFinal gear oil .......................................... 6-10
Front brake lever ......................................3-6
Front brake lever free play
adjustment .......................................... 6-17
Front fork inspection .............................. 6-23
Fuel ......................................................... 3-7
Fuel cock ................................................. 3-8
Fuel level indicator light ........................... 3-1
Fuel tank cap ........................................... 3-7
Fuse replacement.................................. 6-25GGive safety the right of way ..................... 1-1HHandlebar switches ................................. 3-4
Dimmer switch ................................... 3-4
Engine stop switch ............................. 3-5
Horn switch ........................................ 3-4
Lights switch ...................................... 3-5
Pass switch ........................................ 3-4
Start switch ........................................ 3-5
Turn signal switch .............................. 3-4
Headlight bulb replacement ................... 6-27
Helmet holders ...................................... 3-11
High beam indicator light ......................... 3-1
Horn switch ............................................. 3-4IIdentification number records................... 9-1
Idle speed adjustment ........................... 6-11
Indicator lights ......................................... 3-1
Engine overheat indicator light ........... 3-2
Fuel level indicator light ...................... 3-1
High beam indicator light .................... 3-1
Neutral indicator light.......................... 3-1
Oil level indicator light .........................3-2
Overdrive / Engine trouble
indicator light....................................3-2
Turn indicator light ..............................3-2
Inspecting the brake fluid level ...............6-19
KKey identification number .........................9-1LLeft view...................................................2-1
Lights switch ............................................3-5MMain switch ..............................................3-1
Model label ..............................................9-2NNeutral indicator light ...............................3-1OOil level indicator light ..............................3-2
Overdrive / Engine trouble indicator
light ........................................................3-2PParking.....................................................5-6
Pass switch ..............................................3-4
Periodic maintenance and lubrication .......6-3
Pre-operation check list ............................4-1RRear brake pedal .....................................3-6
Rear brake pedal height adjustment.......6-17
Rider seat ..............................................3-10
Right view ................................................2-2
E_4YPIX.fm Page 1 Wednesday, October 6, 1999 10:07 AM