PERIODIC MAINTENANCE AND ADJUSTMENT 
7-12 
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EAU39821 
Tires  
To maximize the performance, durabil-
ity, and safe operation of your motorcy-
cle, note the following points regarding
the specified tires. 
Tire air pressure 
The tire air pressure should be checked
and, if necessary, adjusted before each
ride.
WARNING
 
EWA14381 
Operation of this vehicle with im-
proper tire pressure may cause se-
vere injury or death from loss of
control. 
 
The tire air pressure must be
checked and adjusted on cold
tires (i.e., when the temperature
of the tires equals the ambient
temperature). 
 
The tire air pressure must be ad-
justed in accordance with the
weight of the rider, the riding
speed, and the riding condi- 
tions.Tire 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 re-
place the tire immediately. 
Tire information  
This motorcycle is equipped with spoke
wheels and tube tires.
WARNING
 
EWA10461 
The front and rear tires should be of
the same make and design, other-
wise the handling characteristics of
the vehicle may be different, which 
could lead to an accident.  
After extensive tests, only the tires list-
ed below have been approved for this
model by Yamaha Motor Co., Ltd.
WARNING
 
EWA14390 
 
Have a Yamaha dealer replace
excessively worn tires. Operat-
ing the motorcycle with exces- 
Standard tire air pressure: 
Front:
100 kPa (1.00 kgf/cm 2 
, 15 psi)
Rear:
100 kPa (1.00 kgf/cm 
2
 
, 15 psi) 
1. Tire sidewall
2. Tire tread depth 
Minimum tire tread depth (front and 
rear): 
4.0 mm (0.16 in)
12
 
Front tire:  
Size:
2.50-14 4PR
Manufacturer/model:
CHENG SHIN/KNOBBY  
Rear tire:  
Size:
3.00-12 4PR
Manufacturer/model:
CHENG SHIN/KNOBBY 
         
        
         
SPECIFICATIONS 
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26.00 °
Trail: 
62.0 mm (2.44 in) 
Front tire: 
Type: 
With tube
Size: 
2.50-14 4PR
Manufacturer/model: 
CHENG SHIN/KNOBBY 
Rear tire: 
Type: 
With tube
Size: 
3.00-12 4PR
Manufacturer/model: 
CHENG SHIN/KNOBBY 
Loading: 
Maximum rider weight: 
40.0 kg (88 lb) 
Tire air pressure (measured on cold
tires): 
Front: 
100 kPa (1.00 kgf/cm 
2
 
, 15 psi)
Rear: 
100 kPa (1.00 kgf/cm 
2
 
, 15 psi) 
Front wheel: 
Wheel type: 
Spoke wheel
Rim size: 
14x1.40 
Rear wheel: 
Wheel type: 
Spoke wheel
Rim size: 
12x1.60 
Front brake: 
Type: 
Drum brake
Operation: 
Right hand operation 
Rear brake: 
Type: 
Drum brake
Operation: 
Right foot operation 
Front suspension: 
Type: 
Telescopic fork
Spring/shock absorber type: 
Coil spring/oil damper
Wheel travel: 
110.0 mm (4.33 in) 
Rear suspension: 
Type: 
Swingarm (monocross)
Spring/shock absorber type: 
Coil spring/gas-oil damper
Wheel travel: 
95.0 mm (3.74 in) 
Electrical system: 
Ignition system: 
CDI