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2
3
4
5
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8
9
PERIODIC MAINTENANCE AND MINOR REPAIR
EW000079
w
8Have 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
w
8The 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.
EAU00681
w
8Have 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.
8It is not recommended to
patch a punctured tube. If
unavoidable, however, patch
the tube very carefully and
replace it as soon as possible
with a high-quality product.
Manufacturer Size Model
CHENG SHIN 80/100-18 47P C-916
INOUE 80/100-18 47PMARBELLA
NF27
FRONT
Manufacturer Size Model
CHENG SHIN130/90-15 M/C 66PC-915
INOUE
130/90-15 M/C 66PMARBELLA
NR31
REAR
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SPECIFICATIONS
8-2
8
Fuel
Type Regular unleaded gasoline
Fuel tank capacity 11 L
Reserve amount 3.4 L
Carburetor
Model ´quantity BDS26 ´1
Manufacturer MIKUNI
Spark plug
Manufacturer/Model NGK / CR7HSA or
DENSO / U22FSR-U
Gap 0.6–0.7 mm
Clutch typeWet, multiple-disc
Transmission
Primary reduction system Spur gear
Primary reduction ratio 3.400
Secondary reduction system Chain drive
Secondary reduction ratio 3.688
Transmission type Constant mesh 5-speed
Operation Left foot operationGear ratio 1st 2.643
2nd 1.684
3rd 1.261
4th 1.000
5th 0.852
Chassis
Frame type Double cradle
Caster angle 35°
Trail 135 mm
Tire
Front
Type With tube
Size 80/100-18 47P
Manufacturer/ CHENG SHIN / C-916
model INOUE / MARBELLA NF27
Rear
Type With tube
Size 130/90-15 M/C 66P
Manufacturer/ CHENG SHIN / C-915
model INOUE / MARBELLA NR31
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8
SPECIFICATIONS
8-3
Maximum load* 183 kg
Air pressure (cold tire)
up to 90 kg load*
Front
175 kPa (1.75 kg/cm2, 1.75 bar)
Rear200 kPa (2.00 kg/cm2, 2.00 bar)
90 kg load–maximum
load*
Front
225 kPa (2.25 kg/cm2, 2.25 bar)
Rear225 kPa (2.25 kg/cm2, 2.25 bar)
*Load is total weight of cargo, rider, passenger 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 operation
Fluid DOT 4Rear
Type Drum brake
Operation Right foot operation
Suspension
Front
Type Telescopic fork
Rear
Type Swingarm
Shock absorber/spring
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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