2002 YAMAHA NEO115 light

EAU00009
TABLE OF CONTENTS
GIVE SAFETY THE RIGHT OF WAY .................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/steering lock ..................................3-1
Indicator lights ...................................................3-2
Speedometer unit ..............................................3-2
Fuel gauge ........................................................3-2
Handlebar switches ...........................................3-3
Front brake lever ...............................................3-4
Rear brake lever ................................................3-4
Fuel tank cap .....................................................3-4
Fuel ...................................................................3-5
Starter (choke) lever ..........................................3-6
Kickstarter .........................................................3-6
Seat ...................................................................3-6
Helmet box ........................................................3-7
Convenience hook .............................................3-8
PRE-OPERATION CHECKS ...............................4-1
Pre-operation check list .....................................4-1OPERATION AND IMPORTANT RIDING
POINTS................................................................5-1
Starting and warming up a cold engine .............5-1
Starting a warm engine .....................................5-2
Starting off .........................................................5-2
Acceleration and deceleration ...........................5-3
Braking ..............................................................5-3
Engine break-in .................................................5-4
Parking ..............................................................5-5
General note ......................................................5-6
PERIODIC MAINTENANCE AND MINOR
REPAIR................................................................6-1
Owner’s tool kit ..................................................6-1
Periodic maintenance and lubrication chart ......6-2
Removing and installing the cowling and
panels ............................................................6-4
Checking the spark plug ....................................6-7
Engine oil and oil strainer ..................................6-9
Final transmission oil .......................................6-11
Cleaning the air filter element, V-belt case
air filter elements, and check hoses ............6-13
Adjusting the carburetor ..................................6-16
Adjusting the engine idling speed ...................6-17
Adjusting the throttle cable free play ...............6-17
Adjusting the valve clearance .........................6-18
1234
56
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TABLE OF CONTENTS
Tires ................................................................ 6-19
Spoke wheels .................................................. 6-21
Checking the front brake lever free play .......... 6-21
Adjusting the rear brake lever free play .......... 6-22
Checking the front brake pads and rear
brake shoes ................................................. 6-23
Checking the brake fluid level ......................... 6-24
Changing the brake fluid ................................. 6-25
Checking the V-belt ......................................... 6-25
Checking and lubricating the cables ............... 6-25
Checking and lubricating the throttle grip
and cable ..................................................... 6-26
Lubricating the front and rear brake levers ..... 6-26
Checking and lubricating the centerstand
and sidestand .............................................. 6-27
Checking the front fork .................................... 6-27
Checking the steering ..................................... 6-28
Checking the wheel bearings .......................... 6-29
Battery ............................................................. 6-29
Replacing the fuse .......................................... 6-31
Replacing a headlight bulb .............................. 6-33
Replacing a front turn signal light bulb ............ 6-34
Replacing the tail/brake light bulb or a rear
turn signal light bulb .................................... 6-35
Troubleshooting .............................................. 6-37
Troubleshooting chart ..................................... 6-38MOTORCYCLE CLEANING AND STORAGE ..... 7-1
A. CLEANING .................................................... 7-1
B. STORAGE ..................................................... 7-1
SPECIFICATIONS ............................................... 8-1
Specifications .................................................... 8-1
CONSUMER INFORMATION.............................. 9-1
Identification numbers ....................................... 9-1
Frame serial number ......................................... 9-1
Engine serial number ........................................ 9-1
789
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3-1
3
EAU00027
3-INSTRUMENT AND CONTROL FUNCTIONS
EAU00029
Main switch/steering lock The main switch/steering lock controls
the ignition and lighting systems, and is
used to lock the steering. The various
positions are described below.
EAU00030*
ON
All electrical systems are supplied with
power, and the meter lighting comes
on, and the engine can be started. The
key cannot be removed.
EAU00038
OFF
All electrical systems are off. The key
can be removed.
EAU00040
LOCK
The steering is locked, and all electrical
systems are off. The key can be re-
moved.
To lock the steering1. Turn the handlebars all the way to
the left.
2. Push the key in from the “OFF” po-
sition, and then turn it to “LOCK”
while still pushing it.
3. Remove the key.To unlock the steering
Push the key in, and then turn it to
“OFF” while still pushing it.
EW000016
WARNING
_ Never turn the key to “OFF” or
“LOCK” while the motorcycle is
moving, otherwise the electrical
systems will be switched off, which
may result in loss of control or an
accident. Make sure that the motor-
cycle is stopped before turning the
key to “OFF” or “LOCK”. _1. Push.
2. Turn.
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INSTRUMENT AND CONTROL FUNCTIONS
3-2
3
EAU00056
Indicator lights
EAU04121
Turn signal indicator lights “”
and “”
The corresponding indicator light flash-
es when the turn signal switch is
pushed to the left or right.
EAU00063
High beam indicator light “”
This indicator light comes on when the
high beam of the headlight is switched
on.
EAU00098
Speedometer unit The speedometer unit is equipped with
a speedometer and an odometer. The
speedometer shows riding speed. The
odometer shows the total distance trav-
eled.
EAU02950*
Fuel gauge The fuel gauge indicates the amount of
fuel in the fuel tank. The needle moves
towards “E” (Empty) as the fuel level
decreases. When the needle reaches
the red line, refuel as soon as possible.NOTE:_

Do not allow the fuel tank to empty
itself completely.


Turning the key to “OFF” cancel
the fuel gauge reading.
_
1. Left turn signal indicator light “”
2. Right turn signal indicator light “”
3. High beam indicator light “”
1. Speedometer
2. Odometer
1. Fuel gauge
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INSTRUMENT AND CONTROL FUNCTIONS
3-3
3
EAU00118
Handlebar switches
EAU02948*
Light switch “/”
Set the light switch to “” to turn on
the headlight and the taillight. Set this
switch to “” to turn them off.
EAU03888
Dimmer switch “/”
Set this switch to “” for the high
beam and to “” for the low beam.
EAU03889
Turn signal switch “/”
To signal a right-hand turn, push this
switch to “”. To signal a left-hand
turn, push this switch to “”. When
released, the switch returns to the cen-
ter position. To cancel the turn signal
lights, push the switch in after it has re-
turned to the center position.
EAU00130
Horn switch “HORN”
Press this switch to sound the horn.
EAU00143
Start switch “START”
Push this switch to crank the engine
with the starter.
EC000005
CAUTION:_ See page 5-1 for starting instruc-
tions prior to starting the engine. _
1. Light switch “/”
2. Dimmer switch “/”
3. Turn signal switch “/”
4. Horn switch “HORN”
1. Start switch “START”
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INSTRUMENT AND CONTROL FUNCTIONS
3-6
3
EAU03839
Starter (choke) lever “” Starting a cold engine requires a richer
air-fuel mixture, which is supplied by
the starter (choke).
Move the lever in direction a to turn on
the starter (choke).
Move the lever in direction b to turn off
the starter (choke).
EAU00214
Kickstarter To start the engine, fold out the kick-
starter lever, move it down lightly with
your foot until the gears engage, and
then push it down smoothly but force-
fully.
EAU03802*
Seat To open the seat
1. Place the motorcycle on the cen-
terstand.
2. Insert the key into the main switch,
and then turn it counterclockwise.NOTE:_ Do not push inward when turning the
key. _3. Fold the seat up.
1. Starter (choke) lever “”
1. Kickstarter
1. Open.
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PRE-OPERATION CHECKS
4-2
4
NOTE:_ Pre-operation checks should be made each time the motorcycle is used. Such an inspection can be accomplished in a very
short time; and the added safety it assures is more than worth the time involved. _
EWA00033
WARNING
_ If any item in the Pre-operation check list is not working properly, have it inspected and repaired before operating
the motorcycle. _Brake leversMake sure that operation is smooth.
Lubricate lever pivoting points if necessary.6-26
Centerstand, sidestandMake sure that operation is smooth.
Lubricate pivots if necessary.6-27
Chassis fastenersMake sure that all nuts, bolts and screws are properly tightened.
Tighten if necessary.—
Instruments, lights, signals
and switchesCheck operation.
Correct if necessary.—
BatteryCheck fluid level.
Fill with distilled water if necessary.6-29–6-31 ITEM CHECKS PAGEU5MXE0.book Page 2 Thursday, December 20, 2001 2:08 PM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-3
6
* Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service.
EAU03057*
NOTE:_

From 16,000 km, repeat the maintenance intervals starting from 4,000 km.


Depending on riding conditions, the V-belt replacement interval may vary.


The air filter needs more frequent service if you are riding in unusually wet or dusty areas.


Hydraulic brake system
After disassembling the brake master cylinder, and caliper cylinder, always change the fluid. Regularly check the
brake fluid level and fill reservoir as required.
Replace the oil seals on the inner parts of the brake master cylinder and caliper cylinder every two years.
Replace the brake hose every four years or if cracked or damaged.
_16
*Shock absorber
assembliesCheck operation and shock absorbers for oil leakage.√√√√
17*CarburetorCheck starter (choke) operation.
Adjust engine idling speed.√√√√√
18 Engine oilChange.
Check oil level and vehicle for oil leakage.√√Every 2,000 km
19*Engine oil strainer
Clean.√√
20 Final transmission oilCheck vehicle for oil leakage.√√√√√
Change.√Every 10,000 km
21*V-beltCheck the damage and wear.√√√
Replace. Every 25,000 km (See NOTE.)
22*Front and rear brake
switchesCheck operation.√√√√√
23 Moving parts and cables
Lubricate.√√√√
24*Lights, signals and
switchesCheck operation.
Adjust headlight beam.√√√√√ NO. ITEM CHECK OR MAINTENANCE JOBODOMETER READING (
×1,000 km)
0.5 2 4 8 12
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