Page 50 of 350
2-13
8Never operate an ATV in fast flowing water or
in water deeper than that recommended in
this manual. Remember that wet brakes may
have reduced stopping ability. Test your
brakes after leaving water. If necessary, apply
them several times to let friction dry out the
linings.
8Always use the size and type tires specified in
this manual.
8Always maintain proper tire pressure as
described in this manual.
8Never modify an ATV through improper instal-
lation or use of accessories.
8Never exceed the stated load capacity for an
ATV. Cargo should be properly distributed
and securely attached. Reduce speed and fol-
low instructions in this manual for carrying
cargo or pulling a trailer. Allow greater dis-
tance for braking.
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2-14
8Ne jamais conduire un VTT dans un courant
d’eau trop rapide ou dans de l’eau dont la pro-
fondeur dépasse celle recommandée dans ce
manuel. Ne pas oublier que des freins
mouillés peuvent réduire grandement les
capacités de freinage. Essayer les freins après
avoir roulé dans de l’eau. Si nécessaire, les
actionner plusieurs fois pour que le frottement
sèche les garnitures.
8Toujours utiliser les pneus de la taille et du
type spécifiés dans ce manuel.
8Toujours maintenir la pression de gonflage
des pneus recommandée dans ce manuel.
8Ne jamais modifier un VTT en installant ou
utilisant incorrectement des accessoires.
8Ne pas dépasser la capacité de charge déter-
minée pour le VTT. Le chargement doit être
correctement distribué sur le véhicule et bien
attaché. Réduire la vitesse et suivre les ins-
tructions données dans ce manuel pour trans-
porter un chargement ou tirer une remorque.
Prévoir une plus grande distance de freinage.8No conduzca nunca el ATV en aguas rápidas
o más profundas que las recomendadas en
este manual. Recuerde que si se mojan los
frenos puede disminuir su capacidad para
detener la máquina. Compruebe los frenos
cuando salga del agua. Si es necesario, aplí-
quelos varias veces para que el rozamiento
seque los forros.
8Utilice siempre neumáticos del tamaño y tipo
descritos en este manual.
8Mantenga siempre los neumáticos a la pre-
sión correcta indicada en el manual.
8No modifique nunca un ATV mediante el uso
o montaje de accesorios inadecuados.
8No sobrepase nunca la capacidad de carga
especificada para el ATV. La carga deberá ir
convenientemente distribuida y sujeta.
Reduzca la velocidad y siga las instrucciones
del manual cuando tenga que transportar car-
gas o efectuar un remolque. Observe una dis-
tancia de frenado mayor.
5YF-9-62 ~3 3/4/05 9:55 PM Page 49
Page 124 of 350
5-19
EBU00158
Tires
Always use the recommended tires.
w
Use of improper tires on this ATV, or opera-
tion of this ATV with improper or uneven tire
pressure, may cause loss of control, increas-
ing your risk of accident.
Pay attention to the following.
1. The tires listed below have been
approved by Yamaha Motor Co., Ltd. for
this model. Other tire combinations are
not recommended.
2. The tires should be set to the recom-
mended pressure:
8Recommended tire pressure
Front 20 kPa (0.20 kgf/cm
2, 0.20 bar)
Rear 20 kPa (0.20 kgf/cm2, 0.20 bar)
Manufacturer Size Type
Front DUNLOP AT16 ×7–7 KT145
Rear DUNLOP AT16 ×8–7 KT145
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7-15
w
Always use the size and type tires specified
in the Owner’s Manual for this vehicle on
pages 5-19–5-21.
Always maintain proper tire pressure as
described in the Owner’s Manual on page
5-23. Use of improper tires on this ATV, or
operation of this ATV with improper or
uneven tire pressure, may cause loss of con-
trol, increasing your risk of an accident.
Do not operate at speeds too fast for your
skills or the conditions.
w
Always go at a speed that is proper for the
terrain, visibility and operating conditions,
and your experience. Operating this ATV at
speeds too fast for your skills or the condi-
tions increases your chances of losing con-
trol of the ATV, which can result in an acci-
dent.
5YF-9-62 7 2/22/05 9:02 AM Page 158
Page 333 of 350
10-4
Model YFM50R
Transmission:
Primary reduction system Spur gear
Primary reduction ratio 65/20 (3.250)
Secondary reduction system Shaft drive
Secondary reduction ratio 19/18 ×34/10 (3.588)
Operation Left hand operation
Gear ratio: 38/14 (2.714)
Chassis:
Frame type Steel tube
Caster angle 1°
Trail 3.4 mm
Tire:
Type Tubeless
Size: Front AT16 ×7-7
: Rear AT16 ×8-7
Manufacturer/type:
Front DUNLOP/KT145
Rear DUNLOP/KT145
5YF-9-62 9~ 3/4/05 10:00 PM Page 311