ABS YAMAHA YZ450F 2006 Owner's Manual

SPEC
2 - 3 Transmission:
Primary reduction system Gear
Primary reduction ratio 61/23 (2.652)
Secondary reduction system Chain drive
Secondary reduction ratio 49/13 (3.769)
Transmission type Constant mesh, 5-speed
Operation Left foot operation
Gear ratio: 1st 27/14 (1.929)
2nd 23/15 (1.533)
3rd 23/18 (1.278)
4th 24/22 (1.091)
5th 20/21 (0.952)
Chassis: USA, CDN,
ZA, AUS, NZEUR
(Except for F)F
Frame type Semi double
cradle← ←
Caster angle 27.0°27.0°27.1°
Trail 115.6 mm
(4.55 in)117.0 mm
(4.61 in)117.8 mm
(4.64 in)
Tire:
Type With tube
Size (front) 80/100-21 51M (For USA, CDN, ZA, AUS, NZ
and F)
80/100-21 51R (For EUROPE except F)
Size (rear) 110/90-19 62M (For USA, CDN, ZA, AUS, NZ
and F)
110/90-19 NHS (For EUROPE except F)
Tire pressure (front and rear) 100 kPa (1.0 kgf/cm
2, 15 psi)
Brake:
Front brake type Single disc brake
Operation Right hand operation
Rear brake type Single disc brake
Operation Right foot operation
Suspension:
Front suspension Telescopic fork
Rear suspension Swingarm (link type monocross suspension)
Shock absorber:
Front shock absorber Coil spring/oil damper
Rear shock absorber Coil spring/gas, oil damper
Wheel travel:
Front wheel travel 300 mm (11.8 in)
Rear wheel travel 310 mm (12.2 in)
Electrical:
Ignition system CDI magneto
GENERAL SPECIFICATIONS

SPEC
2 - 13
EC212201
CHASSIS
Item Standard Limit
Steering system:
Steering bearing type Taper roller bearing ----
Front suspension: USA, CDN,
AUS, NZ, ZAEUROPE
Front fork travel 300 mm (11.8 in)← ----
Fork spring free length 454 mm (17.9 in)← 449 mm (17.7 in)
Spring rate, STD K = 4.6 N/mm
(0.469 kg/mm,
26.3 lb/in)K = 4.5 N/mm
(0.459 kg/mm,
25.7 lb/in)----
Optional spring Yes← ----
Oil capacity 542 cm
3
(19.1 Imp oz,
18.3 US oz) 532 cm3
(18.7 Imp oz,
18.0 US oz) ----
Oil grade Suspension oil
“S1”← ----
Inner tube outer diameter 48 mm (1.89 in)← ----
Front fork top end Zero mm (Zero in)← ----
Rear suspension: USA, CDN,
AUS, NZ, ZAEUROPE
Shock absorber travel 131.5 mm (5.18 in)← ----
Spring free length Approx. 275 mm
(10.83 in)← ----
Fitting length One I.D. mark
264 mm (10.39 in)One I.D. mark
262 mm (10.31 in) ----
Two I.D. marks
270 mm (10.63 in)Two I.D. marks
268 mm (10.55 in) ----
Three I.D. marks
261.5 mm
(10.30 in)Three I.D. marks
259.5 mm
(10.22 in)----
One I.D. mark
255.5 ~ 273.5 mm
(10.06 ~ 10.77 in)←----
Two I.D. marks
261.5 ~ 279.5 mm
(10.30 ~ 11.00 in)←----
Three I.D. marks
253.0 ~ 271.0 mm
(9.96 ~ 10.67 in)←----
Spring rate, STD K = 54.0 N/mm
(5.50 kg/mm,
308.0 lb/in)←----
Optional spring Yes← ----
Enclosed gas pressure 1,000 kPa
(10 kg/cm
2,
142 psi)← ----
MAINTENANCE SPECIFICATIONS

SPEC
2 - 16
NOTE:
- marked portion shall be checked for torque tightening after break-in or before each race.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 42 4.2 30
Nipple (spoke)—72 3 0.3 2.2
Disc cover and rear brake caliper M6 × 1.0 2 10 1.0 7.2
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 4 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 53 5.3 38
Engine and engine bracket (upper) M10 × 1.25 1 55 5.5 40
Engine and frame (lower) M10 × 1.25 1 53 5.3 38
Engine guard M6 × 1.0 1 10 1.0 7.2
Engine skid plate mounting M6 × 1.0 3 10 1.0 7.2
CDI unit bracket mounting M6 × 1.0 2 7 0.7 5.1
Cable guide and CDI unit bracket M5 × 0.8 2 4 0.4 2.9
Cable guide and frame M5 × 0.8 1 5 0.5 3.6
Pivot shaft and nut M16 × 1.5 1 85 8.5 61
Relay arm and swingarm M14 × 1.5 1 70 7.0 50
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 32 3.2 23
Swingarm and brake hose holder M5 × 0.8 4 2 0.2 1.4
Swingarm and patch M4 × 0.7 4 2 0.2 1.4
Drive chain tensioner mounting (upper) M8 × 1.25 1 16 1.6 11
Drive chain tensioner mounting (lower) M8 × 1.25 1 16 1.6 11
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 boss and frame M10 × 1.25 1 20 2.0 14
Fuel tank mounting M6 × 1.0 2 10 1.0 7.2
Fuel tank and fuel cock M6 × 1.0 2 6 0.6 4.3
Fuel tank and seat set bracket 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 7 0.7 5.1
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 16 1.6 11
Number plate M6 × 1.0 1 7 0.7 5.1
MAINTENANCE SPECIFICATIONS

2 - 2
SPECALLGEMEINE TECHNISCHE DATEN
Ölsorte und -viskosität:
Motoröl (USA und CDN)
Über 5 °C (40 °F) È
Yamalube 4 (20W-40) oder SAE 20W-40
Motoröl der API-Klasse SG (ohne reibungsmin-
dernde Additive)
Unter 15 °C (60 °F) É
Yamalube 4 (10W-30) oder SAE 10W-30
Motoröl der Klasse SG (ohne reibungsmin-
dernde Additive) bzw. Yamalube 4-R (15W-50)
(ohne reibungsmindernde Additive)
(Nicht USA und CDN)
API-Klasse “SG” oder höherwertig
Füllmenge:
Motoröl
Ölwechsel ohne Filterwechsel 0,95 L (0,84 Imp qt, 1,00 US qt)
Ölwechsel mit Filterwechsel 1,0 L (0,88 Imp qt, 1,06 US qt)
Gesamtmenge 1,2 L (1,06 Imp qt, 1,27 US qt)
Kühlsystem-Fassungsvermögen: 0,99 L (0,87 Imp qt, 1,05 US qt)
Luftfilter: Nassfiltereinsatz
Kraftstoff:
Sorte Bleifreies Superbenzin mit einer Mindestoktan-
zahl von 95 (ROZ)
Tankinhalt 7,0 L (1,54 Imp gal, 1,85 US gal)
Vergaser:
Typ FCR MX39
Hersteller KEIHIN
Zündkerze:
Typ/Hersteller CR8E/NGK (entstört)
Elektrodenabstand 0,7–0,8 mm (0,028–0,031 in)
Kupplungsbauart:
Mehrscheiben-Ölbadkupplung
-20
-4-10
140
3010
5020
6830
8640 50
104
122 ˚CTemp.
˚F
10W-30
10W-40
20W-40
20W-50
15W-40

2 - 3
SPECALLGEMEINE TECHNISCHE DATEN
Getriebe:
Primärantrieb Zahnrad
Primärübersetzung 61/23 (2,652)
Sekundärantrieb Kettentrieb
Sekundärübersetzung 49/13 (3,769)
Ausführung Sequenzielles 5-Gang-Klauengetriebe
Betätigung Fußschalthebel (links)
Getriebeabstufung: 1. Gang 27/14 (1,929)
2. Gang 23/15 (1,533)
3. Gang 23/18 (1,278)
4. Gang 24/22 (1,091)
5. Gang 20/21 (0,952)
Fahrwerk: USA, CDN,
ZA, AUS, NZEUR
(nicht F)F
Rahmenbauart Schleifen-
rohrrahmen
mit geteiltem
Unterzug← ←
Lenkkopfwinkel 27,0°27,0°27,1°
Nachlauf 115,6 mm
(4,55 in)117,0 mm
(4,61 in)117,8 mm
(4,64 in)
Reifen:
Ausführung Schlauch-Reifen
Dimension vorn 80/100-21 51M (USA, CDN, ZA, AUS, NZ, F)
80/100-21 51R (EUROPE, nicht F)
Dimension hinten 110/90-19 62M (USA, CDN, ZA, AUS, NZ, F)
110/90-19 NHS (EUROPE, nicht F)
Reifenluftdruck (vorn und hinten) 100 kPa (1,0 kgf/cm
2, 15 psi)
Bremsen:
Vorderradbremse Einscheibenbremse
Betätigung Handbremshebel (rechts)
Hinterradbremse Einscheibenbremse
Betätigung Fußbremshebel (rechts)
Radaufhängung:
Vorn Teleskopgabel
Hinten Monocross-Schwinge (mit Umlenkhebelabstüt-
zung)
Federung/Dämpfung:
Vorn Spiralfeder, hydraulisch gedämpft
Hinten Federbein mit gasdruckunterstütztem Stoß-
dämpfer und Spiralfeder
Radfederweg:
Vorn 300 mm (11,8 in)
Hinten 310 mm (12,2 in)
Elektrische Anlage:
Zündsystem Schwunglichtmagnetzünder

2 - 7
SPECWARTUNGSDATEN
Kolbenringe:
1. Kompressionsring (Topring):
Ausführung Abgerundet ----
Abmessungen (B × T) 1,2 × 3,5 mm (0,05 × 0,14 in) ----
Ringstoß (in Einbaulage) 0,20–0,30 mm
(0,008–0,012 in)0,55 mm
(0,022 in)
Ringnutspiel (in Einbaulage) 0,030–0,065 mm
(0,0012–0,0026 in)0,12 mm
(0,005 in)
2. Kompressionsring:
Ausführung Konisch ----
Abmessungen (B × T) 1,00 × 3,35 mm (0,04 × 0,13 in) ----
Ringstoß (in Einbaulage) 0,35–0,50 mm
(0,014–0,020 in)0,85 mm
(0,033 in)
Ringnutspiel 0,020–0,055 mm
(0,0008–0,0022 in)0,12 mm
(0,005 in)
Ölabstreifring:
Abmessungen (B × T) 2,0 × 2,9 mm (0,08 × 0,11 in) ----
Ringstoß (in Einbaulage) 0,2–0,5 mm (0,01–0,02 in) ----
Kurbelwelle:
Kurbelbreite “A”61,95–62,00 mm
(2,439–2,441 in)----
Max. Schlag “C”0,03 mm (0,0012 in) 0,05 mm
(0,002 in)
Pleuel-Axialspiel “D”0,15–0,45 mm
(0,0059–0,0177 in)0,50 mm
(0,02 in)
Pleuel-Radialspiel “F”0,4–1,0 mm (0,02–0,04 in) 2,0 mm
(0,08 in)
Ausgleichswelle:
Antrieb Zahnrad ----
Luftfilter-Ölsorte: Hochwertiges Schaumfilteröl o. Ä.---- Bezeichnung Standard Grenzwert
T
B
B
T
B
T

2 - 18
SPEC
ALLGEMEINE ANZUGSMOMENTE/
MASSEINHEITEN
ALLGEMEINE ANZUGSMOMENTE
Aus der folgenden Tabelle sind die Anzugsmo-
mente für normale Schraubverbindungen mit
ISO-Normgewinde ersichtlich. Anzugsmo-
mente für spezielle Verschraubungen und
Bauteile werden in jedem Abschnitt dieser
Anleitung gesondert aufgeführt. Um ein Ver-
ziehen der Bauteile zu vermeiden, sollten die
Schraubverbindungen über Kreuz angezogen
werden, bis die vorgeschriebenen Anzugsmo-
mente erreicht sind. Falls nicht anders ange-
geben, gelten die genannten Anzugsmomente
für saubere und trockene Schraubverbindun-
gen bei Raumtemperatur.
A: Schlüsselweite
B: Gewindedurchmesser
MASSEINHEITEN
A
(Mutter)B
(Schrau-
be)ANZUGSMOMENT
Nm mkg ftlb
10 mm
12 mm
14 mm
17 mm
19 mm
22 mm 6 mm
8 mm
10 mm
12 mm
14 mm
16 mm 6
15
30
55
85
1300,6
1,5
3,0
5,5
8,5
134,3
11
22
40
61
94
Abkürzung Einheit Definition Anwendung
mm
cmMillimeter
Zentimeter10
-3 Meter
10-2 MeterAbstand
Abstand
kg Kilogramm 10
3 Gramm Gewicht
N Newton 1 kg
× m/sec
2 Kraft
Nm
m  kgNewtonmeter
MeterkilogrammN
× m
m
× kgAnzugsmoment
Anzugsmoment
Pa Pascal N/m
2Druck
N/mm Newton pro Millimeter N/mm Federrate
L
cm
3 Liter
Kubikzentimeter—
—Volumen
Volumen
U/minUmdrehungen pro
Minute—Motordrehzahl

2 - 21
SPECCABLE ROUTING DIAGRAM
EC240000
CABLE ROUTING DIAGRAM
1Fuel tank breather hose
2Radiator hose 1
3Cylinder head breather hose
4Hose holder
5Radiator hose 4
6Clutch cable
7Connector cover
8Fuel hose
9TPS (throttle position sensor)
lead
0Hot starter cable
ACarburetor breather hose
BCarburetor overflow hoseÈInsert the end of the fuel tank
breather hose into the hole in
the steering shaft.
ÉPass the cylinder head breather
hose on the outside of the radia-
tor hose 1 and between the radi-
ator hose 4 and frame.
ÊAlign the paint on the cylinder
head breather hose with the
front edge of the hose holder.
ËPass the clutch cable through
the cable guide.ÌPass the clutch cable in front of
the radiator mounting boss.
ÍInstall the connector cover so
that it does not come in between
the radiator hose 1 and radiator.
ÎPass the fuel hose between the
hot starter cable and TPS lead.
ÏPass the carburetor breather
hoses and overflow hose so that
all there hoses do not contact
the rear shock absorber.
B
AA
B
Ï
B
A
0
9
3
2
ÌÉ
1
È
Í
6
5
4 Ë
A
Ê8
Î
7

2 - 25
SPECCABLE ROUTING DIAGRAM
1Master cylinder
2Brake hose holder
3Brake hoseÈInstall the brake hose so that its
pipe portion directs as shown
and lightly touches the projec-
tion on the caliper.
ÉPass the brake hose into the
brake hose holders.
ÊIf the brake hose contacts the
spring (rear shock absorber),
correct its twist.
ËInstall the brake hose so that its
pipe portion directs as shown
and lightly touches the projec-
tion on the master cylinder.
2
31
1A ËÊ
È É
A

3 - 3
INSP
ADJ
MAINTENANCE INTERVALS
FRONT FORK OIL SEAL AND DUST
SEAL
Clean and lube Lithium base grease
PROTECTOR GUIDE
Replace
REAR SHOCK ABSORBER
(After
rain ride)
Inspect and adjust
LubeMolybdenum disulfide
grease
Replace spring seat Every one year
Retighten
CHAIN GUARD AND ROLLERS
Inspect
SWINGARM
Molybdenum disulfide
grease
Inspect, lube and retighten
RELAY ARM, CONNECTING ROD
Molybdenum disulfide
grease
Inspect, lube and retighten
STEERING HEAD
Inspect free play and retighten
Clean and lube Lithium base grease
Replace bearing
TIRE, WHEELS
Inspect air pressure, wheel run-out,
tire wear and spoke looseness
Retighten sprocket bolt
Inspect bearings
Replace bearings
Lubricate Lithium base grease
THROTTLE, CONTROL CABLE
Yamaha cable lube or
SAE 10W-30 motor oil Check routing and connection
Lubricate
HOT STARTER, CLUTCH LEVER
Inspect free playItemAfter
break-inEvery
race
Every
third
(or
500 km)Every
fifth
(or
1,000 km)As re-
quiredRemarks