engine YAMAHA WR 450F 2005 Notices Demploi (in French)
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Page 67 of 758
GEN
INFO
EINFAHRVORSCHRIFTEN
1. Vor dem Starten volltanken.
2. Die “Routinekontrolle vor Fahrt-
beginn” ausführen.
3. Den Motor anlassen und einige
Minuten lang betreiben. Die Leer-
laufdrehzahl und die Funktion der
Bedienelemente einschließlich des
Motorstoppschalters “ENGINE
STOP” kontrollieren. Den Motor
erneut anlassen und innerhalb 5
Minuten dessen Funktion kontrol-
lieren.
4. Das Motorrad 5–8 Minuten lang
mit mäßigem Gas im unteren
Gangbereich betreiben.
5. Den Motorbetrieb bei 1/4 bis 1/2
geöffnetem Gasdrehgriff (niedri-
ger bis mäßiger Geschwindig-
keit) etwa eine Stunde lang
überwachen.
6. Den Motor erneut starten und
den gesamten Betriebsbereich
kontrollieren. Den Motor erneut
starten und weiter 10–15 Minu-
ten lang betreiben. Das Motorrad
ist nun rennfertig.
ACHTUNG:
Entsprechend dem Abschnitt
“ANZUGSDREHMOMENTE
KONTROLLIEREN”, nach dem
Einfahren sowie vor jedem Ren-
nen sämtliche Befestigungsele-
mente kontrollieren.
Befestigungselemente ggf. vor-
schriftsmäßig festziehen.
Folgende Bauteile müssen nach
dem Auswechseln eingefahren
werden.
ZYLINDER UND KURBEL-
WELLE:
Eine einstündige Einfahrzeit ein-
legen.
KOLBEN, KOLBENRINGE, VEN-
TILE, NOCKLENWELLEN UND
RITZEL:
Eine halbstündige Einfahrzeit
mit maximal halb geöffnetem
Gasdrehgriff einlegen. Den
Motorbetrieb gründlich überwa-
chen. PROCEDURE DE RODAGE
1. Avant de démarrer le moteur, faire
le plein du réservoir de carburant.
2. Effectuer les contrôles avant utilisa-
tion.
3. Mettre le moteur en marche et le
laisser chauffer. Contrôler le régime
de ralenti et le bon fonctionnement
des commandes et du bouton
“ENGINE STOP”. Redémarrer
ensuite le moteur et contrôler son
fonctionnement dans les 5 minutes
maximum qui suivent son redémar-
rage.
4. Rouler pendant cinq à huit minutes
sur les rapports inférieurs et à
régime modéré.
5. Contrôler le fonctionnement du
moteur lorsque la moto est utilisée
pendant une heure environ aux régi-
mes bas à moyens (ouverture des
gaz 1/4 à 1/2).
6. Remettre le moteur en marche et
vérifier le fonctionnement de la
moto à toutes les vitesses. Redémar-
rer la moto et rouler pendant 10 à 15
minutes environ. La moto est main-
tenant prête pour la course.
ATTENTION:
Après le rodage ou avant chaque
course, il est indispensable de con-
trôler le bon serrage des raccords et
des fixations conformément aux ins-
tructions de la section “POINTS DE
VERIFICATION DES COUPLES
DE SERRAGE”.
Resserrer au couple requis tout élé-
ment desserré.
Si l’une quelconque des pièces sui-
vantes a été remplacée, un nouveau
rodage est nécessaire.
CYLINDRE ET VILEBREQUIN:
Roder pendant environ une heure.
PISTON, SEGMENT, SOUPAPES,
ARBRES A CAMES ET
PIGNONS:
Ces pièces nécessitent un rodage
d’environ 30 minutes à une ouver-
ture des gaz de 1/2 au maximum.
Surveiller attentivement l’état du
moteur pendant le rodage.PROCEDIMIENTO DE RODAJE
1. Antes de poner en marcha el motor
llene el depósito de combustible.
2. Realice las comprobaciones previas
de la máquina.
3. Arranque y caliente el motor. Com-
pruebe el ralentí, así como el fun-
cionamiento de los mandos y el
botón “ENGINE STOP”. A conti-
nuación vuelva a arrancar el motor
y compruebe su funcionamiento
durante no más de 5 minutos des-
pués de arrancar.
4. Utilice la máquina en marchas cor-
tas y a regímenes moderados
durante cinco a ocho minutos.
5. Observe cómo funciona el motor
con el gas entre 1/4 y 1/2 (régimen
entre bajo y medio) durante aproxi-
madamente una hora.
6. Vuelva a arrancar el motor y com-
pruebe el funcionamiento de la
máquina en todos los regímenes.
Vuelva a arrancar la máquina y uti-
lícela durante 10 o 15 minutos más.
La máquina ya está preparada para
competir.
ATENCION:
Después del rodaje o antes de cada
carrera debe comprobar toda la
máquina para detectar piezas o
sujeciones flojas, conforme a “PUN-
TOS DE COMPROBACIÓN DE
APRIETE”.
Apriete todas las sujeciones según
sea necesario.
Las piezas siguientes, si se cambian,
deben pasar el rodaje.
CILINDRO Y CIGÜEÑAL:
Requieren aproximadamente una
hora de rodaje.
PISTÓN, ARO, VÁLVULAS, EJES
DE LEVAS Y ENGRANAJES:
Estas piezas requieren aproximada-
mente 30 minutos de rodaje a medio
gas o menos. Observe atentamente
el estado del motor durante el fun-
cionamiento.
MISE EN MARCHE ET RODAGE
STARTEN UND EINFAHREN
PUESTA EN MARCHA Y RODAJE
1 - 18
Page 68 of 758
GEN
INFO
1 - 19
TORQUE-CHECK POINTS
TORQUE-CHECK POINTS
NOTE:
Concerning the tightening torque, refer to
“MAINTENANCE SPECIFICATIONS” section
in the CHAPTER 2.
Frame to rear frame
Fuel tank to frame
Silencer to rear frame
Frame to engine
Engine bracket to engine
Engine bracket to frame
Steering shaft to frame
Steering shaft to handle crown
Handle crown to handlebar
Front fork to handle crown
Front fork to under bracket
Assembly of links
Link to frame
Link to shock absorber
Link to swingarm
Shock absorber to frame
Tightening of pivot shaft
Tightening of front axle
Tightening of axle holder
Tightening of rear axle
Wheel to sprocket
Caliper to front fork
Brake disc to wheel
Tightening of union bolt
Master cylinder to handlebar
Tightening of air bleeder
Tightening of brake hose holder
Brake pedal to frame
Brake disc to wheel
Tightening of union bolt
Master cylinder to frame
Tightening of air bleeder
Tightening of brake hose holder
Fuel tank to fuel cock
Tightening of oil hose clamp Frame construction
Combined seat and tank
Exhaust system
Engine mounting
Steering Steering shaft to
handlebar
Suspension Front Steering shaft to front
fork
Rear For link type
Rear Installation of shock
absorber
Rear Installation of
swingarm
Wheel Installation of wheel Front
Rear
Brake Front
Rear
Fuel system
Lubrication system
Page 72 of 758
1 - 20
GEN
INFO
CLEANING AND STORAGE
EC1B0000
CLEANING AND STORAGE
EC1B1000
CLEANING
Frequent cleaning of your machine will
enhance its appearance, maintain good overall
performance, and extend the life of many com-
ponents.
1. Before washing the machine, block off the
end of the exhaust pipe to prevent water
from entering. A plastic bag secured with a
rubber band may be used for this purpose.
2. If the engine is excessively greasy, apply
some degreaser to it with a paint brush. Do
not apply degreaser to the chain, sprock-
ets, or wheel axles.
3. Rinse the dirt and degreaser off with a gar-
den hose; use only enough pressure to do
the job.
CAUTION:
Excessive hose pressure may cause water
seepage and contamination of wheel bear-
ings, front forks, brakes and transmission
seals. Many expensive repair bills have
resulted from improper high pressure
detergent applications such as those avail-
able in coin-operated car washers.
4. After the majority of the dirt has been
hosed off, wash all surfaces with warm
water and a mild detergent. Use an old
toothbrush to clean hard-to-reach places.
5. Rinse the machine off immediately with
clean water, and dry all surfaces with a soft
towel or cloth.
6. Immediately after washing, remove excess
water from the chain with a paper towel
and lubricate the chain to prevent rust.
7. Clean the seat with a vinyl upholstery
cleaner to keep the cover pliable and
glossy.
Page 74 of 758
1 - 21
GEN
INFO
CLEANING AND STORAGE
8. Automotive wax may be applied to all
painted or chromed surfaces. Avoid combi-
nation cleaner-waxes, as they may contain
abrasives.
9. After completing the above, start the
engine and allow it to idle for several min-
utes.
EC1B2001
STORAGE
If your machine is to be stored for 60 days or
more, some preventive measures must be
taken to avoid deterioration. After cleaning the
machine thoroughly, prepare it for storage as
follows:
1. Drain the fuel tank, fuel lines, and the car-
buretor float bowl.
2. Remove the spark plug, pour a tablespoon
of SAE 10W-30 motor oil in the spark plug
hole, and reinstall the plug. With the engine
stop switch pushed in, kick the engine over
several times to coat the cylinder walls with
oil.
3. Remove the drive chain, clean it thoroughly
with solvent, and lubricate it. Reinstall the
chain or store it in a plastic bag tied to the
frame.
4. Lubricate all control cables.
5. Block the frame up to raise the wheels off
the ground.
6. Tie a plastic bag over the exhaust pipe out-
let to prevent moisture from entering.
7. If the machine is to be stored in a humid or
salt-air environment, coat all exposed
metal surfaces with a film of light oil. Do not
apply oil to rubber parts or the seat cover.
NOTE:
Make any necessary repairs before the
machine is stored.
Page 76 of 758
SPEC
2 - 1
EC200000
SPECIFICATIONS
EC211000
GENERAL SPECIFICATIONS
Model name: WR450FT (USA, CDN, AUS, NZ)
WR450F (EUROPE, ZA)
Model code number: 5TJ8 (USA)
5TJ9 (EUROPE)
5TJA (CDN, AUS, NZ, ZA)
Dimensions: USA, ZA, CDN EUROPE, AUS, NZ
Overall length 2,200 mm (86.61 in) 2,195 mm (86.42 in)
Overall width 830 mm (32.68 in)←
Overall height 1,295 mm (50.98 in)←
Seat height 985 mm (38.78 in) 990 mm (38.98 in)
Wheelbase 1,490 mm (58.66 in)←
Minimum ground clearance 370 mm (14.57 in)←
Dry weight:
Without oil and fuel 112.5 kg (248 lb)
Engine:
Engine type Liquid cooled 4-stroke, DOHC
Cylinder arrangement Single cylinder, forward inclined
Displacement 449 cm
3 (15.8 Imp oz, 15.2 US oz)
Bore × stroke 95.0 × 63.4 mm (3.74 × 2.50 in)
Compression ratio 12.3 : 1
Starting system Kick and electric starter
Lubrication system: Dry sump
Oil type or grade:
Engine oil (For USA and CDN)
At 5 °C (40 °F) or higher È
Yamalube 4 (20W-40) or SAE 20W-40 type SG
motor oil (Non-Friction modified)
At 15 °C (60 °F) or lower É
Yamalube 4 (10W-30) or SAE 10W-30 type SG
motor oil (Non-Friction modified) and/or
Yamalube 4-R (15W-50) (Non-Friction modi-
fied)
(Except for USA and CDN)
API “SG” or higher grade
-20
-4-10
140
3010
5020
6830
8640 50
104
122˚CTemp.
˚F
10W-30
10W-40
20W-40
20W-50
15W-40
GENERAL SPECIFICATIONS
Page 77 of 758
SPEC
2 - 2 Oil capacity:
Engine oil
Periodic oil change 1.0 L (0.88 Imp qt, 1.06 US qt)
With oil filter replacement 1.1 L (0.97 Imp qt, 1.16 US qt)
Total amount 1.2 L (1.06 Imp qt, 1.27 US qt)
Coolant capacity (including all routes): 1.56 L (1.37 Imp qt, 1.65 US qt)
Air filter: Wet type element
Fuel:
Type Premium unleaded gasoline only with a
research octane number of 95 or higher.
Tank capacity 8.0 L (1.76 Imp gal, 2.11 US gal)
Reserve 1.1 L (0.24 Imp gal, 0.29 US gal)
Carburetor:
Type FCR MX39
Manufacturer KEIHIN
Spark plug:
Type/manufacturer CR8E/NGK (resistance type)
Gap 0.7 ~ 0.8 mm (0.028 ~ 0.031 in)
Clutch type: Wet, multiple-disc
Transmission:
Primary reduction system Gear
Primary reduction ratio 62/22 (2.818)
Secondary reduction system Chain drive
Secondary reduction ratio 50/14 (3.571)
Transmission type Constant mesh, 5-speed
Operation Left foot operation
Gear ratio: 1st 29/12 (2.416)
2nd 26/15 (1.733)
3rd 21/16 (1.312)
4th 21/20 (1.050)
5th 21/25 (0.840)
Chassis: USA, ZA, CDN EUROPE, AUS, NZ
Frame type Semi double cradle←
Caster angle 27.4°27.3°
Trail 120 mm (4.72 in) 119 mm (4.69 in)
Tire:
Type With tube
Size (front) 80/100-21 51M (USA, CDN, ZA)
90/90-21 54R (EUROPE, AUS, NZ)
Size (rear) 110/100-18 64M (USA, CDN, ZA)
130/90-18 69R (EUROPE, AUS, NZ)
Tire pressure (front and rear) 100 kPa (1.0 kgf/cm
2, 15 psi)
GENERAL SPECIFICATIONS
2
Page 79 of 758
SPEC
2 - 4
MAINTENANCE SPECIFICATIONS
ENGINE
Item Standard Limit
Cylinder head:
Warp limit ---- 0.05 mm
(0.002 in)
Cylinder:
Bore size 95.00 ~ 95.01 mm
(3.7402 ~ 3.7406 in)----
Out of round limit ---- 0.05 mm
(0.002 in)
Camshaft:
Drive method Chain drive (Left) ----
Camshaft cap inside diameter 22.000 ~ 22.021 mm
(0.8661 ~ 0.8670 in)----
Camshaft journal diameter 21.967 ~ 21.980 mm
(0.8648 ~ 0.8654 in)----
Shaft-to-cap clearance 0.020 ~ 0.054 mm
(0.0008 ~ 0.0021 in)0.08 mm
(0.003 in)
Cam dimensions
Intake“A”31.200 ~ 31.300 mm
(1.2283 ~ 1.2323 in)31.100 mm
(1.2244 in)
“B”22.550 ~ 22.650 mm
(0.8878 ~ 0.8917 in)22.450 mm
(0.8839 in)
Exhaust“A”30.950 ~ 31.050 mm
(1.2185 ~ 1.2224 in)30.850 mm
(1.2146 in)
“B”22.494 ~ 22.594 mm
(0.8856 ~ 0.8895 in)22.394 mm
(0.8817 in)
Camshaft runout limit ---- 0.03 mm
(0.0012 in)
A
B
MAINTENANCE SPECIFICATIONS
Page 83 of 758
SPEC
2 - 8 Clutch:
Friction plate thickness 2.92 ~ 3.08 mm
(0.115 ~ 0.121 in)2.8 mm
(0.110 in)
Quantity 8 ----
Clutch plate 1 thickness 1.9 ~ 2.1 mm (0.075 ~ 0.083 in) ----
Quantity 4 ----
Warp limit ---- 0.1 mm
(0.004 in)
Clutch plate 2 thickness 1.5 ~ 1.7 mm (0.059 ~ 0.067 in) ----
Quantity 3 ----
Warp limit ---- 0.1 mm
(0.004 in)
Clutch spring free length 50.0 mm (1.97 in) 49.0 mm
(1.93 in)
Quantity 6 ----
Clutch housing thrust clearance 0.10 ~ 0.35 mm
(0.0039 ~ 0.0138 in)----
Clutch housing radial clearance 0.010 ~ 0.044 mm
(0.0004 ~ 0.0017 in)----
Clutch release method Inner push, cam push ----
Shifter:
Shifter type Cam drum and guide bar ----
Guide bar bending limit ---- 0.05 mm
(0.002 in)
Kickstarter:
Type Ratchet type ----
Carburetor:
I. D. mark 5TJ8 80 ----
Main jet (M.J) #165 ----
Main air jet (M.A.J)ø2.0 ----
Jet needle (J.N) NFNT ----
Cutaway (C.A) 1.5 ----
Pilot jet (P.J) #45 ----
Pilot air jet (P.A.J) #80 ----
Pilot outlet (P.O)ø0.9 ----
Bypass (B.P)ø1.0 ----
Valve seat size (V.S)ø3.8 ----
Starter jet (G.S) #65 ----
Leak jet (Acc.P) #50 ----
Float height (F.H) 8 mm (0.31 in) ----
Engine idle speed 1,700 ~ 1,900 r/min ----
Intake vacuum 34.3 ~ 40.7 kPa
(260 ~ 300 mmHg,
10.24 ~ 11.81 inHg)----
Hot starter lever free play 3 ~ 6 mm (0.12 ~ 0.24 in) ----Item Standard Limit
MAINTENANCE SPECIFICATIONS
Page 86 of 758
SPEC
2 - 11 Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb
Spark plug M10S × 1.0 1 13 1.3 9.4
Camshaft cap M6 × 1.0 10 10 1.0 7.2
Cylinder head blind plug screw M12 × 1.0 1 28 2.8 20
Cylinder head (stud bolt) M6 × 1.0 2 7 0.7 5.1
M8 × 1.25 1 15 1.5 11
(bolt) M10 × 1.25 4 Refer to NOTE.*
1
(nut) M6 × 1.0 2 10 1.0 7.2
Cylinder head cover M6 × 1.0 2 10 1.0 7.2
Cylinder M6 × 1.0 1 10 1.0 7.2
Timing chain tensioner M6 × 1.0 2 10 1.0 7.2
Tensioner cap bolt M6 × 1.0 1 7 0.7 5.1
Timing chain guide (rear) M6 × 1.0 2 10 1.0 7.2
Exhaust pipe (nut) M8 × 1.25 1 13 1.3 9.4
(bolt) M8 × 1.25 1 24 2.4 17
Silencer M8 × 1.25 2 35 3.5 25
Silencer clamp M8 × 1.25 1 16 1.6 11
Exhaust pipe protector M6 × 1.0 3 10 1.0 7.2
Spark arrester M5 × 0.8 4 7 0.7 5.1
Silencer cap M5 × 0.8 6 5 0.5 3.6
Carburetor joint clamp (cylinder head side) M5 × 0.8 1 3 0.3 2.2
Carburetor joint clamp (carburetor side) M4 × 0.7 1 3 0.3 2.2
Air filter case M6 × 1.0 2 8 0.8 5.8
Air filter joint clamp M6 × 1.0 1 3 0.3 2.2
Air filter joint and air filter case M5 × 0.8 1 4 0.4 2.9
Throttle cable (pull) M6 × 1.0 1 4 0.4 2.9
Throttle cable (return) M12 × 1.0 1 11 1.1 8.0
Throttle cable cover M5 × 0.8 2 4 0.4 2.9
Hot starter plunger M12 × 1.0 1 2 0.2 1.4
Radiator panel (upper) M6 × 1.0 2 10 1.0 7.2
Radiator M6 × 1.0 6 10 1.0 7.2
Radiator hose clamp M6 × 1.0 8 2 0.2 1.4
Radiator pipe 1, 2 M10 × 1.0 2 10 1.0 7.2
Impeller M8 × 1.25 1 14 1.4 10
Water pump housing cover M6 × 1.0 3 10 1.0 7.2
Coolant drain bolt M6 × 1.0 1 10 1.0 7.2
Oil pump cover M4 × 0.7 1 2 0.2 1.4
Oil pump M6 × 1.0 3 9 0.9 6.5
Engine oil drain bolt (oil filter) M6 × 1.0 1 10 1.0 7.2
Oil filter cover M6 × 1.0 2 10 1.0 7.2
Oil delivery pipe 1 M10 × 1.25 1 20 2.0 14
M8 × 1.25 2 18 1.8 13
Oil delivery pipe 2 M6 × 1.0 1 10 1.0 7.2
Oil hose M6 × 1.0 2 8 0.8 5.8
MAINTENANCE SPECIFICATIONS
Page 91 of 758
SPEC
2 - 16 Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb
Rear wheel axle and nut M20 × 1.5 1 125 12.5 90
Driven sprocket and wheel hub M8 × 1.25 6 50 5.0 36
Nipple (spoke) — 72 3 0.3 2.2
Disc cover and rear brake caliper M6 × 1.0 2 7 0.7 5.1
Protector and rear brake caliper M6 × 1.0 2 7 0.7 5.1
Chain puller adjust bolt and locknut M8 × 1.25 2 16 1.6 11
Engine mounting:
Engine upper bracket and frame M10 × 1.25 2 55 5.5 40
Engine lower bracket and frame M8 × 1.25 4 34 3.4 24
Engine and engine bracket (front) M10 × 1.25 1 69 6.9 50
Engine and engine bracket (upper) M10 × 1.25 1 52 5.2 37
Engine and frame (lower) M10 × 1.25 1 69 6.9 50
Engine guard (left and right) M8 × 1.25 2 23 2.3 17
Engine skid plate mounting (front) M6 × 1.0 3 10 1.0 7.2
Engine skid plate mounting (rear) M6 × 1.0 3 10 1.0 7.2
Regulator mounting M6 × 1.0 2 7 0.7 5.1
Pivot shaft and nut M16 × 1.5 1 85 8.5 61
Relay arm and swingarm M14 × 1.5 1 80 8.0 58
Relay arm and connecting rod M14 × 1.5 1 80 8.0 58
Connecting rod and frame M14 × 1.5 1 80 8.0 58
Rear shock absorber and frame M10 × 1.25 1 56 5.6 40
Rear shock absorber and relay arm M10 × 1.25 1 53 5.3 38
Rear frame and frame (upper) M8 × 1.25 1 32 3.2 23
Rear frame and frame (lower) M8 × 1.25 2 29 2.9 21
Swingarm and brake hose holder M5 × 0.8 4 1 0.1 0.7
Swingarm and patch M4 × 0.7 4 2 0.2 1.4
Drive chain tensioner mounting (upper) M8 × 1.25 1 19 1.9 13
Drive chain tensioner mounting (lower) M8 × 1.25 1 20 2.0 14
Chain support and swingarm M6 × 1.0 3 7 0.7 5.1
Seal guard and swingarm M5 × 0.8 4 6 0.6 4.3
Fuel tank mounting M6 × 1.0 2 10 1.0 7.2
Fuel tank and fuel cock M6 × 1.0 2 7 0.7 5.1
Fuel tank and seat set bracket M6 × 1.0 1 7 0.7 5.1
Fuel tank and hooking screw (fitting band) M6 × 1.0 1 7 0.7 5.1
Fuel tank and fuel tank bracket M6 × 1.0 4 7 0.7 5.1
Seat mounting M8 × 1.25 2 23 2.3 17
Side cover mounting M6 × 1.0 2 7 0.7 5.1
Air scoop and fuel tank M6 × 1.0 6 7 0.7 5.1
Air scoop and radiator panel (lower) M6 × 1.0 2 6 0.6 4.3
Front fender mounting M6 × 1.0 4 7 0.7 5.1
Rear fender mounting (front) M6 × 1.0 2 7 0.7 5.1
Rear fender mounting (rear) M6 × 1.0 2 11 1.1 8.0
Trip meter mounting M6 × 1.0 2 7 0.7 5.1
MAINTENANCE SPECIFICATIONS