Page 77 of 90

PERIODIC MAINTENANCE AND MINOR REPAIR
6-36
6
EAU25891
Troubleshooting chart
WARNING
EWA10840
Keep away open flames and do not smoke while checking or working on the fuel system.
Check the fuel level in
the fuel tank.1. Fuel
There is enough fuel.
There is no fuel.
Check the compression.
Supply fuel.
The engine does not start.
Check the compression.
Operate the electric starter.2. Compression
There is compression.
There is no compression.
Check the ignition.
Have a Yamaha dealer
check the vehicle.
Remove the spark plugs
and check the electrodes.3. Ignition
Wipe off with a dry cloth and correct the
spark plug gaps, or replace the spark plugs.
Have a Yamaha dealer check the vehicle.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
The engine does not start.
Check the battery.
Operate the electric starter.4. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The battery is good.Check the battery lead connections,
and charge the battery if necessary.
DryWet
Open the throttle halfway and operate
the electric starter.
U5WME1E0.book Page 36 Thursday, September 11, 2003 11:10 AM
Page 83 of 90

SPECIFICATIONS
8-2
8
3rd:
33/21 (1.571)
4th:
31/24 (1.292)
5th:
29/26 (1.115)
Chassis:Frame type:
Double cradle
Caster angle:
25.5 °
Trail:
100.0 mm (3.94 in)Front tire:Type:
Tubeless
Size:
120/70 ZR17M/C (58W)
Manufacturer/model:
DUNLOP/D252FJRear tire:Type:
Tubeless
Size:
180/55 ZR17M/C (73W)
Manufacturer/model:
DUNLOP/D252JLoading:Maximum load:
203 kg (448 lb)
(Total weight of rider, passenger, cargo and
accessories)
Tire air pressure (measured on cold
tires):Loading condition:
0–90 kg (0–198 lb)
Front:
250 kPa (36 psi) (2.50 kgf/cm²)
Rear:
250 kPa (36 psi) (2.50 kgf/cm²)
Loading condition:
90–203 kg (198–448 lb)
Front:
250 kPa (36 psi) (2.50 kgf/cm²)
Rear:
290 kPa (42 psi) (2.90 kgf/cm²)
High-speed riding:
Front:
250 kPa (36 psi) (2.50 kgf/cm²)
Rear:
290 kPa (42 psi) (2.90 kgf/cm²)Front wheel:Wheel type:
Cast wheel
Rim size:
17M/C x MT3.50Rear wheel:Wheel type:
Cast wheel
Rim size:
17M/C x MT5.50Front brake:Type:
Dual disc brake
Operation:
Right hand operationRecommended fluid:
DOT 4
Rear brake:Type:
Single disc brake
Operation:
Right foot operation
Recommended fluid:
DOT 4Front suspension:Type:
Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
130.0 mm (5.12 in)Rear suspension:Type:
Swingarm
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel:
120.0 mm (4.72 in)Electrical system:Ignition system:
Transistorized coil ignition (digital)
Charging system:
A.C. generatorBattery:Model:
GT14B-4
Voltage, capacity:
12 V, 12.0 Ah
U5WME1E0.book Page 2 Thursday, September 11, 2003 11:10 AM
Page 84 of 90
SPECIFICATIONS
8-3
8
Headlight:Bulb type:
Halogen bulbBulb voltage, wattage x quantity:Headlight:
12 V, 60 W/55.0 W × 1
Tail/brake light:
12 V, 5.0/21.0 W × 2
Front turn signal light:
12 V, 21.0 W × 2
Rear turn signal light:
12 V, 21.0 W × 2
Auxiliary light:
12 V, 4.0 W × 1
Meter lighting:
LED
Neutral indicator light:
12 V, 1.7 W × 1
High beam indicator light:
12 V, 1.7 W × 1
Oil level warning light:
12 V, 1.7 W × 1
Turn signal indicator light:
12 V, 1.7 W × 2Fuses:Main fuse:
40.0 A
Headlight fuse:
15.0 A
Signaling system fuse:
10.0 A
Ignition fuse:
15.0 AParking lighting fuse:
10.0 A
Backup fuse:
10.0 A
U5WME1E0.book Page 3 Thursday, September 11, 2003 11:10 AM
Page 87 of 90

INDEX
AAir filter element, cleaning .................... 6-10
Anti-theft alarm (optional) ....................... 3-7
Auxiliary light bulb, replacing ................ 6-31BBattery .................................................. 6-26
Brake and clutch fluid levels,
checking ............................................. 6-18
Brake and clutch fluids, changing ......... 6-20
Brake and clutch levers, checking and
lubricating ........................................... 6-23
Brake and shift pedals, checking and
lubricating ........................................... 6-23
Brake lever ........................................... 3-10
Brake pedal .......................................... 3-10
Brake pedal position, adjusting............. 6-16CCables, checking and lubricating .......... 6-22
Carburetors, adjusting .......................... 6-11
Care ........................................................ 7-1
Catalytic converter ................................ 3-13
Centerstand and sidestand, checking
and lubricating .................................... 6-24
Clutch lever............................................. 3-9
Clutch lever free play ............................ 6-16DDimmer switch ........................................ 3-8
Drive chain, lubricating ......................... 6-21
Drive chain slack .................................. 6-20EEngine break-in ...................................... 5-4
Engine idling speed .............................. 6-12
Engine oil and oil filter element............... 6-8
Engine, starting a warm .......................... 5-2Engine stop switch .................................. 3-8
FFront and rear brake pads, checking .... 6-18
Front fork, adjusting .............................. 3-16
Front fork, checking...............................6-25
Fuel ....................................................... 3-11
Fuel cock ............................................... 3-13
Fuel consumption, tips for reducing ........ 5-3
Fuel tank breather hose ........................ 3-12
Fuel tank cap......................................... 3-11
Fuses, replacing .................................... 6-28HHandlebar switches ................................. 3-7
Hazard switch.......................................... 3-8
Headlight bulb, replacing....................... 6-29
Helmet holder ........................................ 3-15
High beam indicator light......................... 3-4
Horn switch ............................................. 3-8IIdentification numbers ............................. 9-1
Ignition circuit cut-off system ................. 3-19
Immobilizer system .................................3-1
Immobilizer system indicator light ........... 3-4
Indicator and warning lights .................... 3-3KKey identification number ........................ 9-1LLuggage strap holders .......................... 3-18MMain switch/steering lock ........................ 3-2
Model label .............................................. 9-2
Multi-function display...............................3-6NNeutral indicator light .............................. 3-3
OOil level warning light .............................. 3-4PPanels, removing and installing .............. 6-5
Parking.................................................... 5-4
Part locations .......................................... 2-1
Pass switch ............................................. 3-8
Periodic maintenance and lubrication
chart...................................................... 6-2
Pre-operation check list .......................... 4-2RRear brake light switch, adjusting ......... 6-17SSafety information ................................... 1-1
Seat ...................................................... 3-14
Self-diagnosis device .............................. 3-5
Shifting .................................................... 5-2
Shift pedal ............................................... 3-9
Shock absorber assemblies,
adjusting ............................................. 3-17
Sidestand .............................................. 3-18
Spark plugs, checking............................. 6-7
Specifications.......................................... 8-1
Speedometer .......................................... 3-5
Starter (choke) lever ............................. 3-14
Starting a cold engine ............................. 5-1
Start switch ............................................. 3-8
Steering, checking ................................ 6-25
Storage ................................................... 7-3
Storage compartment ........................... 3-15TTachometer............................................. 3-5
Tail/brake light bulb, replacing .............. 6-30
Throttle cable free play, adjusting ......... 6-12
U5WME1E0.book Page 1 Thursday, September 11, 2003 11:10 AM