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6-41
PERIODIC MAINTENANCE AND MINOR REPAIR
6 6. Tighten the axle nut to the speci-
fied torque.
7. Adjust the brake pedal position
and free play. (See page 6-20 for
brake pedal position and free
play adjustment procedures.)
EW000103
wAfter adjusting the brake pedal
free play, check the operation of
the brake light.
EAU01008
Troubleshooting
Troubleshooting
Although Yamaha motorcycles
receive a thorough inspection before
shipment from the factory, trouble
may occur during operation. Any
problem in the fuel, compression, or
ignition systems, for example, can
cause poor starting and loss of
power.
The following troubleshooting chart
represents a quick and easy proce-
dure for checking these vital systems
yourself. However, should your
motorcycle require any repair, take it
to a Yamaha dealer, whose skilled
technicians have the necessary tools,
experience, and know-how to service
the motorcycle properly.
Use only genuine Yamaha replace-
ment parts. Imitation parts may look
like Yamaha parts, but they are often
inferior, have a shorter service life
and can lead to expensive repair
bills. Tightening torque:
Axle nut:
104 Nm (10.4 m0kgf)
EAU03190
To install the rear wheel
Installing
1. Insert the wheel axle from the
left-hand side, and then install
the drive chain onto the rear
sprocket.
2. Install the axle nut, and then
lower the rear wheel so that it is
on the ground.
3. Install the brake rod onto the
brake camshaft lever, and then
install the brake pedal free play
adjusting nut onto the brake rod.
4. Connect the brake torque rod to
the brake shoe plate by installing
the bolt and the nut, and then
tighten the bolt to the specified
torque.
5. Adjust the drive chain slack.
(See page 6-25 for drive chain
slack adjustment procedures.) Tightening torque:
Brake torque rod bolt:
23 Nm (2.3 m0kgf)
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PERIODIC MAINTENANCE AND MINOR REPAIR
6
EAU01297
Troubleshooting chart
EW000125
wKeep away open flames and do not smoke while checking or working on the fuel system.1. Fuel
2. Compression
3. Ignition
4. Battery
Remove the spark
There is compression.
There is no compression.
Check the ignition.Have a Yamaha dealer check the vehicle.
Wet
DryWipe off with a dry cloth and correct the spark
Have a Yamaha dealer check the vehicle.
The engine turns
The engine turnsThe battery is good.
Check the battely lead connections,
Check the fuel level
There is enough fuel.
There is no fuel.
Check the compression.
in the fuel tank.
the electrodes. plugs and check
over quickly.
over slowly. and charge the battery if necessary.Open the throttle halfway and
The engine does not start.Check the battery.operate the electric starter. plug gaps, or replace the spark plugs.
Supply fuel.
The engine does not start. Check the compression.
Operate the electric
starter. Operate the electric starter.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
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8-3
SPECIFICATIONS
8
Maximum load* 183 kg
Air pressure (cold tire)
up to 90 kg load*
Front
175 kPa (1.75 kgf/cm
2, 1.75 bar)
Rear
200 kPa (2.00 kgf/cm
2, 2.00 bar)
90 kg load–maximum
load*
Front
175 kPa (1.75 kgf/cm
2, 1.75 bar)
Rear
200 kPa (2.00 kgf/cm
2, 2.00 bar)
*Total weight of rider, passenger, cargo and accessories
Wheels
Front
Type Spoke wheel
Size 18 ×1.60
Rear
Type Spoke wheel
Size 15 M/C ×MT 3.00
Brakes
Front
Type Single disc brake
Operation Right hand
Fluid DOT 4Rear
Type Drum brake
Operation Right foot
Suspension
Front
Type Telescopic fork
Rear
Type Swingarm
Spring/shock absorber
Front
Type Coil spring/oil damper
Rear
Type Coil spring/oil damper
Wheel travel
Front 140 mm
Rear 100 mm
Electrical system
Ignition system Transistorized coil ignition
(digital)
Charging system
Type A.C. magneto
Standard output 14 V, 23 A @ 5,000 r/min
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8-4
SPECIFICATIONS
8
Battery
Type GT6B-3
Voltage, capacity 12 V, 6 Ah
Headlight typeHalogen bulb
Bulb voltage, wattage ×quantity
Headlight 12 V, 60/55 W ×1
Tail/brake light 12 V, 5/21 W ×1
Front turn signal light 12 V, 21 W ×2
Rear turn signal light 12 V, 21 W ×2
Auxiliary light 12 V, 4 W ×1
Meter lighting 12 V, 1.7 W ×1
Neutral indicator light 12 V, 1.7 W ×1
High beam indicator light 12 V, 1.7 W ×1
Turn indicator light 12 V, 1.7 W ×1
Engine indicator light 12 V, 1.7 W ×1
Fuses
Main fuse 30 A
Headlight fuse 15 A
Signaling system fuse 10 A
Ignition fuse 10 A
Carburetor heater fuse 10 A
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