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9
PERIODIC MAINTENANCE AND MINOR REPAIRTire inspection
The tires must be checked before
each ride. If the center tread depth
reaches the specified limit, if the tire
has a nail or glass fragments in it, or
if the sidewall is cracked, have a
Yamaha dealer replace the tire imme-
diately.NOTE:
The tire tread depth limits may differ
from country to country. Always com-
ply with the local regulations.1.Side wall
a.Tread depth
a
1
EW000079
w8Have a Yamaha dealer replace
excessively worn tires.
Besides being illegal, operat-
ing the motorcycle with exces-
sively worn tires decreases
riding stability and can lead to
loss of control.
8The replacement of all wheel-
and brake-related parts,
including the tires, should be
left to a Yamaha dealer, who
has the necessary profession-
al knowledge and experience.
Tire information
This motorcycle is equipped with tube
tires.
EW000078
w8The front and rear tires should
be of the same make and
design, otherwise the handling
characteristics of the motorcy-
cle cannot be guaranteed.
8After extensive tests, only the
tires listed below have been
approved for this model by
Yamaha Motor Co., Ltd.
Minimum tire tread depth
(front and rear)1.6 mm
FRONT
ManufacturerSizeModel
CHENG SHIN80/100-18 47PC-916
INOUE80/100-18 47P
MARBELLA NF27
REAR
ManufacturerSizeModel
CHENG SHIN130/90-15 M/C 66PC-915
INOUE130/90-15 M/C 66P
MARBELLA NR31
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7
SPECIFICATIONS
8-2
8
Fuel
TypeRegular unleaded gasoline
Fuel tank capacity11 L
Reserve amount3.4 L
Carburetor
ManufacturerMIKUNI
Model ´quantityBDS26 ´1
Spark plug
Manufacturer/modelNGK / CR7HSA or
DENSO / U22FSR-U
Gap0.6Ð0.7 mm
Clutch typeWet, multiple-disc
Transmission
Primary reduction systemSpur gear
Primary reduction ratio3.400
Secondary reduction systemChain drive
Secondary reduction ratio3.688
Number of drive chain
sprocket teeth (rear/front)59/16
Transmission typeConstant mesh 5-speed
OperationLeft foot operationGear ratio1st2.643
2nd1.684
3rd1.261
4th1.000
5th0.852
Chassis
Frame typeDouble cradle
Caster angle35¡
Trail135 mm
Tires
Front
TypeWith tube
Size80/100-18 47P
Manufacturer/CHENG SHIN / C-916
modelINOUE / MARBELLA NF27
Rear
TypeWith tube
Size130/90-15 M/C 66P
Manufacturer/CHENG SHIN / C-915
modelINOUE / MARBELLA NR31
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SPECIFICATIONS
8-3
8
Maximum load*183 kg
Air pressure (cold tire)
up to 90 kg load*
Front
175 kPa (1.75 kg/cm
2, 1.75 bar)
Rear
200 kPa (2.00 kg/cm
2, 2.00 bar)
90 kg loadÐmaximum
load*
Front
225 kPa (2.25 kg/cm
2, 2.25 bar)
Rear
225 kPa (2.25 kg/cm
2, 2.25 bar)
*Total weight of rider, passenger, cargo and accessories
Wheels
Front
TypeSpoke wheel
Size18 ´1.60
Rear
TypeSpoke wheel
Size15 M/C ´MT 3.00
Brakes
Front
TypeSingle disc brake
OperationRight hand
FluidDOT 4Rear
TypeDrum brake
OperationRight foot
Suspension
Front
TypeTelescopic fork
Rear
TypeSwingarm
Shock absorber/spring
Front
TypeCoil spring / oil damper
Rear
TypeCoil spring / oil damper
Wheel travel
Front140 mm
Rear100 mm
Electrical system
Ignition systemTransistorized coil ignition
(digital)
Charging system
TypeA.C. magneto
Standard output14 V, 23 A @ 5,000 r/min
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