radiator cap YAMAHA WR 250F 2001 Manuale duso (in Italian)

KAPITEL 4
MOTOR
SITZBANK,
KRAFTSTOFFTANK UND
SEITENABDECKUNGEN
........... 4-1
KRÜMMER UND
SCHALLDÄMPFER

.................... 4-2
KÜHLER

..................................... 4-4
VERGASER

................................ 4-7
NOCKENWELLE
...................... 4-20
ZYLINDERKOPF

...................... 4-29
VENTILE UND
VENTILFEDERN

...................... 4-33
ZYLINDER UND KOLBEN

....... 4-42
KUPPLUNG

.............................. 4-49
ÖLFILTEREINSATZ,
WASSERPUMPE UND RECHTE
KURBELWELLEN-
ABDECKUNG
........................... 4-56
AUSGLEICHSWELLE
............... 4-63
ÖLPUMPE

................................ 4-66
KICKSTARTER UND
KICKSTARTERWELLE
............ 4-71
CDI-SCHWUNGRADMA-
GNETZÜNDER

......................... 4-78
MOTOR DEMONTIEREN

......... 4-82
KURBELGEHÄUSE UND
KURBELWELLE
...................... 4-87
GETRIEBE, SCHALTWALZE
UND SCHALTGABELN
........... 4-96
KAPITEL 5
FAHRWERK
VORDER- UND HINTERRAD
.... 5-1
VORDER- UND
HINTERRADBREMSE
............. 5-11
TELESKOPGABEL
.................. 5-28
LENKER
................................... 5-41
LKKOPF
................................... 5-47
SCHWINGE
.............................. 5-53
FEDERBEIN
............................. 5-60
CHAPITRE 4
MOTEUR
SELLE, RESERVOIR DE
CARBURANT ET CACHES
LATERAUX

.................................... 4-1
TUYAU D’ECHAPPEMENT
ET SILENCIEUX

........................... 4-2
RADIATEUR

.................................. 4-4
CARBURATEUR

........................... 4-7
ARBRES A CAMES
..................... 4-20
CULASSE

...................................... 4-29
SOUPAPES ET RESSORTS
DE SOUPAPE
............................... 4-33
CYLINDRE ET PISTON

............. 4-42
EMBRAYAGE

.............................. 4-49
ELEMENT DE FILTRE
A HUILE, POMPE A EAU ET
DEMI-CARTER DROIT

............. 4-56
BALANCIER

................................ 4-63
POMPE A HUILE

........................ 4-66
ARBRE DE KICK ET ARBRE DE
SELECTEUR

................................ 4-71
VOLANT MAGNETIQUE
CDI

................................................. 4-78
DEPOSE DU MOTEUR
............... 4-82
CARTER ET VILEBREQUIN
.... 4-87
BOITE A VITESSES,
TAMBOUR ET FOURCHETTES
DE SELECTION
.......................... 4-96
CHAPITRE 5
PARTIE CYCLE
ROUE AVANT ET ROUE
ARRIERE
........................................ 5-1
FREIN AVANT ET FREIN
ARRIERE
...................................... 5-11
FOURCHE AVANT
..................... 5-28
GUIDON ........................................ 5-41
DIRECTION ................................. 5-47
BRAS OSCILLANT ..................... 5-53
AMORTISSEUR ARRIERE ....... 5-60
CAPITOLO 4
MOTORE
SELLA, SERBATOIO
CARBURANTE E
CARENATURA LATERALE .......4-1
TUBO DI SCARICO
E SILENZIATORE ........................4-2
RADIATORE ..................................4-4
CARBURATORE ...........................4-7
ALBERI A CAMME ....................4-20
TESTATA DEL CILINDRO .......4-29
VALVOLE E MOLLE
VALVOLE .....................................4-33
CILINDRO E PISTONE ..............4-42
FRIZIONE .....................................4-49
ELEMENTO FILTRANTE
DELL’OLIO, POMPA
DELL’ACQUA E COPERCHIO
CARTER DESTRO ......................4-56
BILANCIERE ...............................4-63
POMPA DELL’OLIO ..................4-66
ALBERO PEDALE E
ALBERO DEL CAMBIO .............4-71
MAGNETE CDI ............................4-78
RIMOZIONE DEL
MOTORE ......................................4-82
CARTER E ALBERO
MOTORE ......................................4-87
TRASMISSIONE, CAMMA
DEL CAMBIO E FORCELLA
DEL CAMBIO................................4-96
CAPITOLO 5
PARTE CICLISTICA
RUOTA ANTERIORE E RUOTA
POSTERIORE ................................5-1
FRENO ANTERIORE
E POSTERIORE ...........................5-11
FORCELLA ANTERIORE .........5-28
MANUBRIO ..................................5-41
STERZO ........................................5-47
FORCELLONE
OSCILLANTE ..............................5-53
AMMORTIZZATORE
POSTERIORE ..............................5-60

GEN
INFO

1 - 1
DESCRIPTION
EC100000
GENERAL INFORMATION
EC110000
DESCRIPTION
1
Clutch lever
2
Decompression lever
3
Trip meter
4
Light switch
5
Front brake lever
6
Throttle grip
7
Radiator cap
8
Fuel tank cap
9
Oil tank cap
0
Engine stop switch
A
Taillight
B
Kickstarter crank
C
Fuel tank
D
Headlight
E
Radiator
F
Coolant drain bolt
G
Rear brake pedal
H
Valve joint
I
Fuel cock
J
Cold starter knob
K
Hot starter knob (red)
L
Drive chain
M
Air filter
N
Shift pedal
O
Front fork
NOTE:

l
The machine you have purchased may differ
slightly from those shown in the following.
l
Designs and specifications are subject to
change without notice.
1

GEN
INFO
1 - 7
SPECIAL TOOLS
EC140001
SPECIAL TOOLS
The proper special tools are necessary for complete and accurate tune-up and assembly. Using the
correct special tool will help prevent damage caused by the use of improper tools or improvised
techniques. The shape and part number used for the special tool differ by country, so two types are
provided. Refer to the list provided to avoid errors when placing an order.
NOTE:
lFor U.S.A. and Canada, use part number starting with “YM-” or “YU-”.
lFor others, use part number starting with “90890-”.
Part number Tool name/How to use Illustration
YU-1135-A, 90890-01135 Crankcase separating tool
These tool is used to remove the crankshaft from
either case.YU-1135-A 90890-01135
YU-1235, 90890-01235 Rotor holding tool
This tool is used when loosening or tightening the fly-
wheel magneto securing nut.YU-1235 90890-01235
YU-3097, 90890-01252
YU-1256Dial gauge and stand
Stand
These tools are used to check each part for runout or
bent.YU-3097
YU-125690890-01252
YU-90050, 90890-01274
YU-90050, 90890-01275
YU-91044, 90890-04081
YM-1277, 90890-01277Crankshaft installing tool
Crankshaft installing pot
Crankshaft installing bolt
Spacer (crankshaft installer)
Adapter (M10)
These tools are used to install the crankshaft.YU-90050
YM-1277
YU-9104490890-01274
90890-01275
90890-01277
90890-04081
YU-1304, 90890-01304 Piston pin puller set
This tool is used to remove the piston pin.YU-1304 90890-01304
YU-24460-01, 90890-01325
YU-33984, 90890-01352Radiator cap tester
Radiator cap tester adapter
These tools are used for checking the cooling sys-
tem.YU-24460-01
YU-3398490890-01325
90890-01352
YU-33270-B, 90890-01362Flywheel puller
This tool is used to remove the flywheel magneto.YM-33270-B 90890-01362

SPEC

2 - 9
MAINTENANCE SPECIFICATIONS
Lubrication system:
Oil filter type Wire mesh type ----
Oil pump type Trochoid type ----
Tip clearance 0.12 mm or less
(0.0047 in or less)0.20 mm
(0.008 in)
Side clearance 0.09 ~ 0.17 mm
(0.0035 ~ 0.0067 in)0.24 mm
(0.009 in)
Housing and rotor clearance 0.03 ~ 0.10 mm
(0.0012 ~ 0.0039 in)0.17 mm
(0.0067 in)
Cooling:
Radiator core size
Width 117.8 mm (4.6 in) ----
Height 220 mm (8.7 in) ----
Thickness 32 mm (1.26 in) ----
Radiator cap opening pressure110 kPa (1.1 kg/cm
2

, 15.6 psi)----
Radiator capacity (total) 0.6 L (0.53 lmp qt, 0.63 US qt) ----
Water pump
Type Single-suction centrifugal pump ----Item Standard Limit

SPEC

2 - 10
MAINTENANCE SPECIFICATIONS
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 37 3.7 27
Cylinder head (stud bolt) M6
´
1.0 2 7 0.7 5.1
(stud bolt) M8
´
1.25 1 15 1.5 11
(bolt) M9
´
1.25 4 38 3.8 27
(nut) M6
´
1.0 2 10 1.0 7.2
Cylinder head cover M6
´
1.0 2 10 1.0 7.2
Oil pressure check bolt M6
´
1.0 1 10 1.0 7.2
Cylinder M6
´
1.0 1 10 1.0 7.2
Balancer weight M6
´
1.0 2 10 1.0 7.2
Balancer shaft driven gear M14
´
1.0 1 50 5.0 36
Timing chain guide (intake side) M6
´
1.0 2 10 1.0 7.2
Decompression shaft M6
´
1.0 1 7 0.7 5.1
Decompression cable guide M6
´
1.0 1 10 1.0 7.2
Timing chain tensioner M6
´
1.0 2 10 1.0 7.2
Timing chain tensioner cap bolt M6
´
1.0 1 7 0.7 5.1
Impeller M8
´
1.25 1 14 1.4 10
Radiator hose clamp M6
´
1.0 8 2 0.2 1.4
Coolant drain bolt M6
´
1.0 1 10 1.0 7.2
Water pump housing M6
´
1.0 4 10 1.0 7.2
Radiator M6
´
1.0 6 10 1.0 7.2
Radiator guard M6
´
1.0 2 10 1.0 7.2
Radiator pipe M6
´
1.0 1 10 1.0 7.2
Oil pump cover M4
´
0.7 1 3 0.3 2.2
Oil pump M6
´
1.0 3 10 1.0 7.2
Oil filter element drain bolt M6
´
1.0 1 10 1.0 7.2
Oil filter element cover M6
´
1.0 2 10 1.0 7.2
Oil strainer M6
´
1.0 2 10 1.0 7.2
Oil delivery pipe 1 (M10) M10 ´ 1.25 1 20 2.0 14
(M8) 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 3 10 1.0 7.2
Oil hose clamp — 2 2 0.2 1.4
Oil strainer and frame M18 ´ 1.5 1 90 9.0 65
Carburetor joint clamp M4 ´ 0.7 2 3 0.3 2.2
Air filter joint clamp M6 ´ 1.0 1 3 0.3 2.2
Throttle cable cover M5 ´ 0.8 1 4 0.4 2.9
Air filter joint M5 ´ 0.8 2 5 0.5 3.6
Air filter joint and air filter case M5 ´ 0.8 5 1 0.1 0.7
Air filter element M6 ´ 1.0 1 2 0.2 1.4
Air filter case cover M6 ´ 1.0 4 4 0.4 2.9
Exhaust pipe (nut) M8 ´ 1.25 1 13 1.3 9.4
(bolt) M8 ´ 1.25 1 24 2.4 17
Exhaust pipe protector M6 ´ 1.0 3 10 1.0 7.2

SPEC
2 - 15
MAINTENANCE SPECIFICATIONS
Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb
Rear brake disc M6 ´ 1.0 6 14 1.4 10
Brake pedal M8 ´ 1.25 1 26 2.6 19
Rear brake master cylinder M6 ´ 1.0 2 10 1.0 7.2
Rear brake reservoir tank M6 ´ 1.0 1 10 1.0 7.2
Rear brake reservoir tank cap M4 ´ 0.7 2 2 0.2 1.4
Rear brake hose union bolt M10 ´ 1.25 2 30 3.0 2.2
Rear wheel axle and axle nut M20 ´ 1.5 1 125 12.5 90
Nipple (spoke) — 72 3 0.3 2.2
Rear wheel sprocket M8 ´ 1.25 6 42 4.2 30
Rear brake disc cover M6 ´ 1.0 2 7 0.7 5.1
Rear brake caliper protector M6 ´ 1.0 2 7 0.7 5.1
Engine mounting:
Engine and engine bracket (front) M10 ´ 1.25 1 69 6.9 50
Engine and frame (lower) M10 ´ 1.25 1 69 6.9 50
Engine bracket and frame M8 ´ 1.25 6 34 3.4 24
Engine and engine bracket (upper) M10 ´ 1.25 1 55 5.5 40
Lower engine guard M6 ´ 1.0 3 10 1.0 7.2
Left engine guard M8 ´ 1.25 2 23 2.3 17
Right engine guard M8 ´ 1.25 2 10 1.0 7.2
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 M8 ´ 1.25 3 29 2.9 21
Swingarm and brake hose holder M5 ´ — 4 4 0.4 2.9
Drive chain tensioner M8 ´ 1.25 2 19 1.9 13
Drive chain case M6 ´ 1.0 3 7 0.7 5.1
Seal guard and swingarm M5 ´ 0.8 4 6 0.6 4.3
Fuel tank M6 ´ 1.0 2 10 1.0 7.2
Fuel cock M6 ´ 1.0 2 7 0.7 5.1
Seat set bracket and fuel tank M6 ´ 1.0 1 7 0.7 5.1
Hooking screw (fitting band) and fuel tank M6 ´ 1.0 1 7 0.7 5.1
Radiator cover M6 ´ 1.0 6 4 0.4 2.9
Front fender M6 ´ 1.0 4 7 0.7 5.1
Rear fender M6 ´ 1.0 4 7 0.7 5.1
Side cover M6 ´ 1.0 2 7 0.7 5.1
Seat M8 ´ 1.25 2 23 2.3 17

SPEC

2 - 9
SPECIFICHE DI MANUTENZIONE
Sistema di lubrificazione:
Tipo di filtro Tipo a maglia metallica ----
Tipo di pompa dell’olio Tipo trocoidale ----
Gioco della punta 0,12 mm o inferiore
(0,0047 in o inferiore)0,20 mm
(0,008 in)
Gioco laterale 0,09 ~ 0,17 mm
(0,0035 ~ 0,0067 in)0,24 mm
(0,009 in)
Gioco alloggiamento e rotore 0,03 ~ 0,10 mm
(0,0012 ~ 0,0039 in)0,17 mm
(0,0067 in)
Raffreddamento:
Dimensioni massa radiante
Larghezza 117,8 mm (4,6 in) ----
Altezza 220 mm (8,7 in) ----
Spessore 32 mm (1,26 in) ----
Pressione di apertura tappo radiatore110 kPa (1,1 kg/cm
2

, 15,6 psi)----
Capacità del radiatore (totale) 0,6 L (0,53 Imp qt, 0,63 US qt) ----
Pompa dell’acqua
Tipo Pompa centrifuga ad aspirazione
singola---- Elemento Standard Limite

SPEC

2 - 10
SPECIFICHE DI MANUTENZIONE
Elemento da serrareDimensioni
della filettaturaQuantitàCoppia di serraggio
Nm m·kg ft·lb
Candela d’accensione M10S
´
1,0 1 13 1,3 9,4
Cappello dell’albero a camme M6
´
1,0 10 10 1,0 7,2
Tappo a vite testata del cilindro M12
´
1,0 1 37 3,7 27
Testata del cilindro (prigioniero) M6
´
1,0 2 7 0,7 5,1
(prigioniero) M8
´
1,25 1 15 1,5 11
(bullone) M9
´
1,25 4 38 3,8 27
(dado) M6
´
1,0 2 10 1,0 7,2
Coperchio testata del cilindro M6
´
1,0 2 10 1,0 7,2
Bullone di controllo pressione olio M6
´
1,0 1 10 1,0 7,2
Cilindro M6
´
1,0 1 10 1,0 7,2
Peso bilanciere M6
´
1,0 2 10 1,0 7,2
Ingranaggio condotto dell’albero di equilibratura M14
´
1,0 1 50 5,0 36
Guida catena di distribuzione (lato aspirazione) M6
´
1,0 2 10 1,0 7,2
Albero di decompressione M6
´
1,0 1 7 0,7 5,1
Guida cavo decompressione M6
´
1,0 1 10 1,0 7,2
Tenditore catena di distribuzione M6
´
1,0 2 10 1,0 7,2
Vite senza dado del tenditore della catena di
distribuzioneM6
´
1,0 1 7 0,7 5,1
Rotore M8
´
1,25 1 14 1,4 10
Tubo flessibile radiatore M6
´
1,0 8 2 0,2 1,4
Bullone di scarico del refrigerante M6
´
1,0 1 10 1,0 7,2
Alloggiamento della pompa dell’acqua M6
´
1,0 4 10 1,0 7,2
Radiatore M6
´
1,0 6 10 1,0 7,2
Riparo del radiatore M6
´
1,0 2 10 1,0 7,2
Tubazione del radiatore M6
´
1,0 1 10 1,0 7,2
Coperchio pompa dell’olio M4
´
0,7 1 3 0,3 2,2
Pompa dell’olio M6
´
1,0 3 10 1,0 7,2
Bullone di scarico elemento filtro dell’olio M6
´
1,0 1 10 1,0 7,2
Coperchio filtro dell’olio M6
´
1,0 2 10 1,0 7,2
Filtro olio M6
´
1,0 2 10 1,0 7,2
Tubazione alimentazione olio 1 (M10) M10
´
1,25 1 20 2,0 14
(M8) M8
´
1,25 2 18 1,8 13
Tubazione alimentazione olio 2 M6
´
1,0 1 10 1,0 7,2
Tubo flessibile dell’olio M6
´
1,0 3 10 1,0 7,2
Fascetta fermatubo dell’olio — 2 2 0,2 1,4
Filtro dell’olio e telaio M18
´
1,5 1 90 9,0 65
Fascetta giunto carburatore M4
´
0,7 2 3 0,3 2,2
Fascetta giunto filtro dell’aria M6
´
1,0 1 3 0,3 2,2
Coperchio cavo dell’acceleratore M5
´
0,8 1 4 0,4 2,9
Giunto filtro dell’aria M5
´
0,8 2 5 0,5 3,6
Giunto filtro dell’olio e contenitore filtro dell’aria M5
´
0,8 5 1 0,1 0,7
Filtro dell’aria M6
´
1,0 1 2 0,2 1,4
Coperchio della scatola del filtro dell’aria M6
´
1,0 4 4 0,4 2,9
Tubo di scarico (dado) M8
´ 1,25 1 13 1,3 9,4
(bullone) M8 ´ 1,25 1 24 2,4 17
Protezione tubo di scarico M6 ´ 1,0 3 10 1,0 7,2

SPEC

2 - 19
CHEMINEMENT DES CABLES
KABELFÜHRUNG
SCHEMA DEL PERCORSO DEI CAVI
KABELFÜHRUNG
1
Schlauchführung
2
Bremsschlauch
3
Spannungsregulator
4
Lichtschalterleitung
5
Kraftstofftank-Lüftungsschlauch
6
Klammer
7
Öltank-Lüftungsschlauch
8
Motorstoppschalterleitung
9
Nebenkabelbaum
0
Heckleuchte
A
Drosselpositionssensor-Leitung
B
Leerlaufschalterleitung
C
Ölschlauch
D
Zylinderkopf-Lüftungsschlauch
E
CDI-Magnetzünderleitung
F
Kupplungsseilzug
G
Seilzugführung
H
Vergaserlüftungsschlauch
I
Vergaserüberlaufschlauch
J
Kühlmittelausgleichstank-Lüftungs-
schlauch
K
Dekompressionsseilzug
L
CDI-Einheit-Leitung
M
Zündspulenleitung
N
Spannungsregulatorleitung

Den Kraftstofftank-Lüftungsschlauch
hinter dem Lenker entlang führen,
und dann in das Loch des Lenk-
schafts einführen.
õ
Den Dekompressionsseilzug, die Mo-
torstoppschalterleitung und die Licht-
schalterleitung unter der Stelle ent-
langführen, wo der Ölschlauch
verläuft.
‚
Die Spannungsregulatorleitung, Mo-
torstoppschalterleitung und Licht-
schalterleitung über den Kühler-
schlauch verlegen.
ë
Die Motorstoppschalterleitung und die
Zündspulenleitung des Nebenkabel-
baums befestigen.
ä
Den Nebenkabelbaum und die Motor-
stoppschalterleitung befestigen.
ì
Den Zylinderkopf-Lüftungsschlauch
an der rechten Seite des Öltank-Lüf-
tungsschlauchs entlang verlegen.
í
Den Nebenkabelbaum und Motor-
stoppschalter vor den oberen Motor-
bügeln verlegen.
î
Den Nebenkabelbaum befestigen.
é
Den Nebenkabelbaum zwischen den
oberen Motorbügeln verlegen.
ï
Den Nebenkabelbaum befestigen.
ð
Den Drosselpositionssensor befesti-
gen.
CHEMINEMENT DES
CABLES
1
Guide de durit
2
Durit de frein
3
Régulateur de tension
4
Fil de contacteur d’éclairage
5
Durit de mise à l’air du réservoir de car-
burant
6
Bride
7
Durit de mise à l’air du réservoir d’huile
8
Fil de bouton d’arrêt du moteur
9
Faisceau de fils secondaire
0
Fil de feu arrière
A
Fil de capteur de position du papillon des
gaz
B
Fil de contacteur de point mort
C
Durit d’huile
D
Durit de mise à l’air de culasse
E
Fil de magnéto CDI
F
Câble d’embrayage
G
Guide de câble
H
Durit de mise à l’air du carburateur
I
Durit de trop-plein du carburateur
J
Durit de mise à l’air du vase d’expansion
K
Câble de décompression
L
Fil de CDI
M
Fil de bobine d’allumage
N
Fil de régulateur de tension

Faire passer la durit de mise à l’air du
réservoir de carburant derrière le guidon,
puis l’insérer dans le trou de l’axe de la
colonne de direction.
õ
Faire passer le câble de décompression, le
fil du coupe-circuit du moteur et le fil de
contacteur d’éclairage à l’endroit où la
durit d’huile est attachée.
‚
Faire passer le fil du régulateur de ten-
sion, le fil du coupe-circuit du moteur et
le fil du contacteur d’éclairage par-dessus
la durit de radiateur.
ëAttacher le fil du coupe-circuit de moteur
et le fil de bobine d’allumage du faisceau
de fils secondaire.
äAttacher le faisceau de fils secondaire et
le fil du coupe-circuit du moteur.
ìFaire passer la durit de mise à l’air de la
culasse le long du côté droit de la durit de
mise à l’air du réservoir à huile.
íAttacher le faisceau de fils secondaire et
le fil de coupe-circuit du moteur à l’avant
des supports de moteur supérieurs.
îAttacher le faisceau de fils secondaire.
éFaire passer le faisceau de fils secondaire
entre les supports de moteur supérieurs.
ïAttacher le faisceau de fils secondaire.
ðAttacher le fil de capteur de position du
papillon des gaz.
SCHEMA DEL PER-
CORSO DEI CAVI
1Guida del tubo flessibile
2Tubo flessibile del freno
3Regolatore di tensione
4Cavo dell’interruttore luci
5Tubetto di sfiato del serbatoio del carbu-
rante
6Morsetto
7Tubetto di sfiato del serbatoio dell’olio
8Cavo interruttore di arresto motore
9Sub-cablaggio premontato
0Cavo del fanalino posteriore
ACavo del sensore posizione farfalla
BCavo interruttore di folle
CTubo flessibile dell’olio
DTubetto di sfiato della testa del cilindro
ECavo alternatore CDI
FCavo della frizione
GGuidacavo
HTubetto di sfiato del carburatore
ITubo flessibile di troppopieno del carbu-
ratore
JTubetto di sfiato del serbatoio del liquido
di raffreddamento
KCavo di decompressione
LCavo della centralina CDI
MCavo della bobina di accensione
NCavo del regolatore di tensione
Far passare il tubetto di sfiato del serba-
toio del carburante dietro al manubrio, poi
inserirlo nel forno del cannotto dello
sterzo.
õFar passare il cavo di decompressione, il
cavo dell’interruttore di arresto del
motore ed il cavo dell’interruttore luci
sotto dove è collegato il tubo flessibile
dell’olio.
‚Fare passare il cavo del regolatore di ten-
sione, il cavo dell’interruttore di arresto
motore ed il cavo dell’interruttore luci
sopra il tubo flessibile del radiatore.
ëFissare il cavo dell’interruttore di arresto
del motore ed il cavo della bobina di
accensione del sub-cablaggio premontato.
äFissare il sub-cablaggio premontato e il
cavo dell’interruttore di arresto del
motore.
ìFar passare il tubetto di sfiato della testa
del cilindro lungo il lato destro del tubetto
di sfiato del serbatoio dell’olio.
íFissare il sub-cablaggio premontato ed il
cavo dell’interruttore di arresto del
motore di fronte alle staffe superiori di
supporto del motore.
îFissare il sub-cablaggio premontato.
éFar passare il sub-cablaggio premontato
tra le staffe superiori di supporto del
motore.
ïFissare il sub-cablaggio premontato.
ðFissare il cavo del sensore della posizione
della farfalla.

3 - 2
INSP
ADJ

MAINTENANCE INTERVALS
SHIFT FORK, SHIFT CAM, GUIDE BAR
Inspect
c
Inspect wear
ROTOR NUT
Retighten
c

c

EXHAUST PIPE, SILENCER, PRO-
TECTOR
Inspect and retighten
Clean
Replace
c

c

c

c
* Whichever comes first
*SPARK ARRESTER
Clean
(Every six
months)
c
CRANK
Inspect and clean
c

c

CARBURETOR
Inspect, adjust and clean
c

c
When using a high-pres-
sure washer, make sure
that water does not enter
the accelerator pump.
SPARK PLUG
Inspect and clean
Replace
c

c

c

DRIVE CHAIN
Lubricate, slack, alignment
Replace
c

c

c
Use chain lube
Chain slack: 40 ~ 50 mm
(1.6 ~ 2.0 in)
COOLING SYSTEM
Check coolant level and leakage
Check radiator cap operation
Replace coolant
Inspect hoses
c

c

c

c

c
Every two years
OUTSIDE NUTS AND BOLTS
Retighten
c

c
Refer to “STARTING
AND BREAK-IN” section
in the CHAPTER 1.
AIR FILTER
Clean and lubricate
Replace
c

c

c
Use foam air-filter oil
FRAME
Clean and inspect
c

c

FUEL TANK, COCK
Clean and inspect
c

c

BRAKES
Adjust lever position and pedal height
Lubricate pivot point
Check brake disc surface
Check fluid level and leakage
Retighten brake disc bolts, caliper
bolts, master cylinder bolts and union
bolts
Replace pads
Replace brake fluid
c

c

c

c

c

c

c

c

c

c

c

c
Every one year
FRONT FORKS
Inspect and adjust
Replace oil
Replace oil seal
c

c

c

c

c
Suspension oil “01” ItemAfter
break-inEvery
race
Every
third race
or
500 km
(300 mi)Every
fifth race
or
1,000 km
(600 mi)
As re-
quiredRemarks


3