PERIODIC MAINTENANCE AND MINOR REPAIR
6-23
6
EAU02939
Front fork inspectionVisual check
EW000115
WARNING
@ Securely support the motorcycle so
there is no danger of it falling over. @Check for scratches or damage on the
inner tube and excessive oil leakage
from the front fork.
Operation check
1. Place the motorcycle on a level
place.
2. Hold the motorcycle in an upright
position and apply the front brake.
3. Push down hard on the handle-
bars several times and check if the
fork rebounds smoothly.
EC000098
CAUTION:@ If any damage or unsmooth move-
ment is found with the front fork,
consult a Yamaha dealer. @
EAU00800
BatteryThis motorcycle is equipped with a
sealed-type battery. Therefore it is not
necessary to check the electrolyte or fill
the battery with distilled water.l
If the battery seems to have dis-
charged, consult a Yamaha deal-
er.
l
If the motorcycle is equipped with
optional electrical accessories, the
battery tends to discharge more
quickly, so be sure to recharge it
periodically.
1. Battery
E_4YP_Periodic.fm Page 23 Wednesday, October 6, 1999 10:05 AM
MOTORCYCLE CARE AND STORAGE
7-2
7
ECA00010
CAUTION:@ l
Avoid using strong acidic wheel
cleaners, especially on spoked
wheels. If you do use such
products for hard-to-remove
dirt, do not leave it on any long-
er than instructed, then thor-
oughly rinse it off with water,
immediately dry the area and
apply a corrosion protection
spray.
l
Improper cleaning can damage
windshields, cowlings, panels
and other plastic parts. Use
only a soft, clean cloth or
sponge with mild detergent and
water to clean plastic.
l
Do not use any harsh chemical
products on plastic parts. Be
sure to avoid using cloths or
sponges which have been in
contact with strong or abrasive
cleaning products, solvent or
thinner, fuel (gasoline), rust re-
movers or inhibitors, brake flu-
id, antifreeze or electrolyte.
l
Do not use high-pressure wash-
ers or steam-jet cleaners since
they cause water seepage and
deterioration in the following ar-
eas: seals (of wheel bearings,
swingarm bearings, forks and
brakes), electric components
(couplers, connectors, instru-
ments, switches and lights),
breather hoses and vents.
l
For motorcycles equipped with
a windshield: Do not use strong
cleaners or hard sponges as
they will cause dulling or
scratching. Some cleaning
compounds for plastic may
leave scratches on the wind-
shield. Test the product on a
small hidden part of the wind-
shield to make sure they do not
leave any marks. If the wind-
shield is scratched, use a quali-
ty plastic polishing compound
after washing.
@After riding in the rain, near the sea oron salt-sprayed roadsSince sea salt or salt sprayed on the
roads in the winter are extremely corro-
sive in combination with water, carry
out the following steps after each ride
in the rain, near the sea or on salt-
sprayed roads. (Salt sprayed in the
winter may remain on the roads well
into spring.)
E_4YP_Cleaning.fm Page 2 Wednesday, October 6, 1999 10:06 AM
MOTORCYCLE CARE AND STORAGE
7-3
71. Clean your motorcycle with cold
water and soap after the engine
has cooled down.
ECA00012
CAUTION:@ Do not use warm water since it in-
creases the corrosive action of the
salt. @2. Be sure to apply a corrosion pro-
tection spray on all (even chrome-
and nickel-plated) metal surfaces
to prevent corrosion.After cleaning
1. Dry the motorcycle with a chamois
or an absorbing cloth.
2. Use a chrome polish to shine
chrome, aluminum and stainless-
steel parts, including the exhaust
system. (Even the thermally in-
duced discoloring of stainless-
steel exhaust systems can be re-
moved through polishing.)
3. To prevent corrosion, it is recom-
mended to apply a corrosion pro-
tection spray on all (even chrome-
and nickel-plated) metal surfaces.
4. Use spray oil as a universal clean-
er to remove any remaining dirt.
5. Touch up minor paint damage
caused by stones, etc.
6. Wax all painted surfaces.
7. Let the motorcycle dry completely
before storing it or covering it.
EWA00001
WARNING
@ Make sure that there is no oil or wax
on the brakes and tires. If neces-
sary, clean the brake discs and lin-
ings with a regular brake disc
cleaner or acetone, and wash the
tires with warm water and mild soap.
Then, carefully test the motorcycle
for its braking performance and cor-
nering behavior. @
E_4YP_Cleaning.fm Page 3 Wednesday, October 6, 1999 10:06 AM
SPECIFICATIONS
8-3
8
Maximum load* 203 kg
Air pressure (cold tire)
Up to 90 kg load*
Front 250 kPa (2.50 kg/cm
2, 2.50 bar)
Rear 250 kPa (2.50 kg/cm2, 2.50 bar)
90 kg load ~ maximum load*
Front 250 kPa (2.50 kg/cm2, 2.50 bar)
Rear 280 kPa (2.80 kg/cm2, 2.80 bar)
* Load is the total weight of cargo, rider, passenger and accesso-
ries.
Wheels
Front
Ty p e C a s t
Size 16 ´ MT3.50
Rear
Ty p e C a s t
Size 15M/C ´ MT4.00
Brakes
Front
Type Dual disc brake
Operation Right hand operation
Fluid DOT 4Rear
Type Single disc brake
Operation Right foot operation
Fluid DOT 4
Suspension
Fr o n t
Ty p e Te l e s c o p i c f o r k
Rear
Type Swingarm (link suspension)
Shock absorber
Front Coil-air spring / oil damper
Rear Coil spring / gas-oil damper
Wheel travel
Front 140 mm
Rear 95 mm
Electrical sysyem
Ignition system T.C.I. (digital)
Charging system
Type A.C. magneto
Standard output 14 V, 23 A @ 5,000 r/min
Battery
Type YTX20L-BS
Voltage, capacity 12 V, 18 AH
E_4YP_Spec.fm Page 3 Wednesday, October 6, 1999 10:06 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