parts YAMAHA BRUIN 350 2005 Owners Manual

3-3
EBU00600
Identification number records
Record the key identification number, vehicle iden-
tification number and model label information in
the spaces provided for assistance when ordering
spare parts from a Yamaha dealer or for reference
in case the vehicle is stolen.1. KEY IDENTIFICATION NUMBER:2. VEHICLE IDENTIFICATION NUMBER:3. MODEL LABEL INFORMATION:
U5UH61.book Page 3 Tuesday, April 20, 2004 10:10 AM

3-9 1. Model label
1.Étiquette de modèle
1. Etiqueta de modelo
EBU00787
Model label
The model label is affixed to the location in the il-
lustration. Record the information on this label in
the space provided. This information will be need-
ed to order spare parts from your Yamaha dealer.
U5UH61.book Page 9 Tuesday, April 20, 2004 10:10 AM

5-11
CAUTION:_ Use only unleaded gasoline. The use of leaded
gasoline will cause severe damage to internal
engine parts, such as the valves and piston
rings, as well as to the exhaust system. _
WARNING
_

Do not overfill the fuel tank. Fuel expands
when it heats up. If the fuel tank is over-
filled, fuel could spill out due to heat from
the engine or the sun.


Be careful not to spill fuel, especially on
the engine or exhaust pipe which can
cause a fire and severe injury. Wipe up any
spilled fuel immediately.


Do not refuel right after the engine has
been running and is still very hot.


Be sure the fuel tank cap is closed secure-
ly.
_
U5UH61.book Page 11 Tuesday, April 20, 2004 10:10 AM

6-15
EBU02101
Engine break-in
There is never a more important period in the life of
your machine than the period between zero and
20 hours.
For this reason, we ask that you carefully read the
following material. Because the engine is brand
new, you must not put an excessive load on it for
the first several hours of running. During the first
20 hours, the various parts in the engine wear and
polish themselves to the correct operating clear-
ances.
During this period, prolonged full throttle operation
or any condition which might result in excessive
engine heating must be avoided. However, mo-
mentary (2–3 seconds maximum) full throttle oper-
ation under load does not harm the engine.
Each full throttle acceleration sequence should be
followed with a substantial rest period for the en-
gine by cruising at lower r/min so the engine can
rid itself of the temporary build up of heat. If any
abnormality is noticed during this period, consult a
Yamaha dealer.
U5UH61.book Page 15 Tuesday, April 20, 2004 10:10 AM

7-23
Modifications
WARNING
_ Never modify this ATV through improper in-
stallation or use of accessories. All parts and
accessories added to this vehicle should be
genuine Yamaha or equivalent components
designed for use on this ATV and should be in-
stalled and used according to instructions. Im-
proper installation of accessories or
modification of this vehicle may cause chang-
es in handling which in some situations could
lead to an accident. If you have questions, con-
sult an authorized ATV dealer. _
U5UH61.book Page 23 Tuesday, April 20, 2004 10:10 AM

8-1
EBU00516
PERIODIC MAINTENANCE AND
ADJUSTMENTPeriodic inspection, adjustment and lubrication will
keep your machine in the safest and most efficient
condition possible. Safety is an obligation of the
machine owner. The most important points of ma-
chine inspection, adjustment and lubrication are
explained on the following pages.
WARNING
Never service an engine while it is running.
Moving parts can catch clothing or parts of the
body, causing injury. Electrical components
can cause shocks or can start fires. Turn off
the engine when performing maintenance un-
less otherwise specified. Have a Yamaha deal-
er perform service if you are not familiar with
machine service.
U5UH61.book Page 1 Tuesday, April 20, 2004 10:10 AM

8-5
WARNING
_ Never modify this ATV through improper in-
stallation or use of accessories. Improper in-
stallation of accessories or modification of this
vehicle may cause changes in handling which
in some situations could lead to an accident.
All parts and accessories added to this vehicle
should be genuine Yamaha or equivalent com-
ponents designed for use on this ATV and
should be installed and used according to in-
structions. If you have questions, consult an
authorized Yamaha ATV dealer. _
U5UH61.book Page 5 Tuesday, April 20, 2004 10:10 AM

8-9
* Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service.NOTE:

Recommended brake fluid: DOT 4


Brake fluid replacement:
When disassembling the master cylinder or caliper, replace the brake fluid. Normally check the
brake fluid level and add fluid as required.
On the inner parts of the master cylinder and caliper, replace the oil seals every two years.
Replace the brake hoses every four years, or if cracked or damaged.
Lights and switches*Check operation.
Adjust headlight beams.
ITEM ROUTINEWhichever
comes firstINITIAL EVERY
month136612
km
(mi)320
(200)1,200
(750)2,400
(1,500)2,400
(1,500)4,800
(3,000)
hours 20 75 150 150 300
U5UH61.book Page 9 Tuesday, April 20, 2004 10:10 AM

8-55 1. Air filter element assembly
1.Élément de filtre à air
1. Conjunto del elemento del filtro de aire
1. Air filter element frame
2. Air filter element 3. Lock plate
1. Armature d’élément de filtre à air
2.Élément de filtre à air 3. Plaquette de fixation
1. Bastidor del elemento del filtro de aire
2. Elemento del filtro de aire 3. Placa de cierre
3. Remove the air filter element assembly.
4. Pull off the lock plate, and then remove the air
filter element from its frame.
5. Wash the element gently but thoroughly in
solvent.
WARNING
_ Always use parts cleaning solvent to clean the
air filter element. Never use low flash point sol-
vents or gasoline to clean the air filter element
because the engine could catch fire or ex-
plode. _
U5UH61.book Page 55 Tuesday, April 20, 2004 10:10 AM

8-61 1. V-belt cooling duct check hose
1. Flexible de contrôle du conduit de refroidissement de la courroie
trapézoïdale
1. Manguera de comprobación del conducto de enfriamiento de
la correa trapezoidal
1. V-belt case drain plug
1. Boulon de vidange du carter de courroie trapézoïdale
1. Tapón de drenaje de la caja de la correa trapezoidal
EBU06411
V-belt cooling duct check hose
If dust or water collects in the V-belt cooling duct
check hose, remove the hose and clean it.
EBU08741
V-belt case drain plug
After riding in water deep enough to allow it to en-
ter the V-belt case, remove this plug to drain the
water from the case.NOTE:_ If water drains from the V-belt case after removing
the plug, have a Yamaha dealer inspect the ATV
as the water may affect other engine parts. _
U5UH61.book Page 61 Tuesday, April 20, 2004 10:10 AM