2006 YAMAHA TTR50 oil

SPEC
2 - 3
Suspension:
Front suspension Telescopic fork
Rear suspension Swingarm (monocross suspension)
Shock absorber:
Front shock absorber Coil spring
Rear shock absorber Coil spring/oil damper
Wheel travel: Front wheel travel 96.0 mm (3.78 in)
Rear wheel travel 71.0 mm (2.80 in)
Electrical: Ignition system CDI
Charging system AC magneto
GENERAL SPECIFICATIONS

SPEC
2 - 8
Oil ring
Dimensions (B × T) 1.50 × 1.60 mm
(0.059 × 0.063 in) ----
End gap (installed) 0.20 ~ 0.70 mm (0.008 ~ 0.028 in)----
Crankshaft: Crank width “A” 42.95 ~ 43.00 mm (1.691 ~ 1.693 in)----
Runout limit “C” ---- 0.03 mm (0.0012 in)
Big end side clearance “D” 0.10 ~ 0.40 mm (0.0039 ~ 0.0157 in)0.50 mm
(0.02 in)
Big end radial clearance “E” 0.010 ~ 0.025 mm (0.0004 ~ 0.0010 in)0.05 mm
(0.002 in)
Clutch: Friction plate Thickness 2.92 ~ 3.08 mm (0.115 ~ 0.121 in)2.82 mm
(0.111 in)
Quantity 2 ----
Clutch plate 1 Thickness 1.85 ~ 2.15 mm (0.073 ~ 0.085 in)----
Quantity 1 ----
Warp limit ---- 0.2 mm (0.008 in)
Clutch plate 2 Thickness 1.95 ~ 2.05 mm (0.077 ~ 0.081 in)----
Quantity 1 ----
Warp limit ---- 0.2 mm (0.008 in)
Clutch plate 3 Thickness 1.90 ~ 2.10 mm (0.075 ~ 0.083 in)----
Quantity 1 ----
Warp limit ---- 0.2 mm (0.008 in)
Automatic centrifugal clutch: Clutch-in revolution 2,300 ~ 2,700 r/min ----
Clutch-stall revolution 3,210 ~ 3,710 r/min ----
Shifter: Shifter type Shift drum and guide bar ---- Item Standard Limit
B
T
CC
D
A
E
MAINTENANCE SPECIFICATIONS

SPEC
2 - 9
Carburetor:
I. D. mark 1P61 00 ----
Main jet (M.J) #62.5 ----
Main nozzle (N.J) E-2M ----
Main air jet (M.A.J) ø 1.4 ----
Jet needle (J.N) 4DL22-1 ----
Cutaway (C.A) 2.5 ----
Pilot outlet (P.O) ø 0.8 × 1.5 ----
Pilot jet (P.J) #12.5 ----
Valve seat size (V.S) ø 1.2 ----
Starter jet 1 (G.S.1) #20 ----
Starter jet 2 (G.S.2) ø 0.6 ----
Float height (F.H) 18.5 mm (0.73 in) ----
Fuel level (F.L) 2.0 ~ 3.0 mm (0.08 ~ 0.12 in) ----
Engine idle speed 1,600 ~ 1,800 r/min ----
Lubrication system: Oil filter type Wire mesh type ----
Oil pump type Trochoid type ----
Inner-rotor-to-outer-rotor-tip clearance 0.15 mm or less (0.0061 in or less)0.20 mm
(0.0079 in)
Outer-rotor-to-oil-pump-housing clearance 0.07 mm (0.0028 in)0.15 mm
(0.0059 in)
Oil-pump-housing-to-inner-rotor-and-outer-
rotor clearance 0.06 ~ 0.10 mm
(0.0024 ~ 0.0039 in)0.17 mm
(0.0067 in)
Item Standard Limit
MAINTENANCE SPECIFICATIONS

SPEC
2 - 10
Part to be tightened Thread size Q
’ty Tightening torque
Remarks
Nm m ·kg ft ·lb
Cylinder head nut M8 × 1.25 4 22 2.2 16
Cylinder head bolt M6 × 1.0 2 10 1.0 7.2
Spark plug M10 × 1.0 1 13 1.3 9.4
Camshaft sprocket cover bolt M6 × 1.0 2 10 1.0 7.2
Tappet cover M45 × 1.5 2 18 1.8 13
Exhaust pipe stud bolt M6 × 1.0 2 7 0.7 5.1
Rotor nut M12 × 1.25 1 48 4.8 35
Timing chain guide stopper M6 × 1.0 2 10 1.0 7.2
LT
Valve clearance adjust screw locknut M5 × 0.5 2 7 0.7 5.1
Camshaft sprocket M8 × 1.25 1 26 2.6 19
Camshaft bearing retainer M6 × 1.0 1 10 1.0 7.2
LT
Timing chain tensioner cap bolt M8 × 1.25 1 8 0.8 5.8
Timing chain tensioner M6 × 1.0 2 10 1.0 7.2
Oil pump assembly M6 × 1.0 2 7 0.7 5.1
LT
Engine oil drain bolt M12 × 1.5 1 20 2.0 14
Intake manifold (cylinder head side) M6 × 1.0 2 7 0.7 5.1
Intake manifold (carburetor side) M6 × 1.0 2 7 0.7 5.1
Carburetor heater M8 × 1.25 1 3 0.3 2.2
Clamp (air filter joint) M4 × 0.7 1 2 0.2 1.4
Exhaust pipe M6 × 1.0 2 7 0.7 5.1
Muffler M8 × 1.25 1 38 3.8 27
Muffler cover M6 × 1.0 4 7 0.7 5.1
Spark arrester M6 × 1.0 3 10 1.0 7.2
Crankcase M6 × 1.0 10 10 1.0 7.2
Crankcase cover (left) M6 × 1.0 8 10 1.0 7.2
Drive sprocket cover M6 × 1.0 2 7 0.7 5.1
Timing plug M14 × 1.5 1 7 0.7 5.1
Crankshaft end cover M32 × 1.5 1 7 0.7 5.1
Crankcase cover (right) M6 × 1.0 9 10 1.0 7.2
Clutch adjuster locknut M8 × 1.25 1 6 0.6 4.3
Cylinder head stud bolt M8 × 1.25 4 13 1.3 9.4
Starter clutch and rotor M6 × 1.0 3 14 1.4 10 Stake
Clutch housing nut M14 × 1.0 1 70 7.0 50
Pressure plate M5 × 0.8 3 5 0.5 3.6
Primary driven gear M14 × 1.0 1 70 7.0 50
Stopper bolt M8 × 1.25 1 23 2.3 17
LT
Shift pedal M6 × 1.0 1 10 1.0 7.2
Pickup coil M6 × 1.0 2 10 1.0 7.2
LT
Stator assembly M6 × 1.0 3 10 1.0 7.2LT
Neutral switch M10 × 1.25 1 18 1.8 13
MAINTENANCE SPECIFICATIONS

SPEC
2 - 14
EC212300
ELECTRICALItem Standard Limit
Ignition system: Advancer Digital ----
CDI: Magneto-model/manufacturer F1P6/MORIC ----
Pickup coil resistance (color) 248 ~ 372 Ω at 20 °C (68 °F)
(Red – White) ----
CDI unit model/manufacturer 1P6/SHY ----
Ignition coil: Model/manufacturer 4FP/SHY ----
Minimum spark gap 6 mm (0.24 in) ----
Primary winding resistance 0.32 ~ 0.48 Ω at 20 °C (68 °F) ----
Secondary winding resistance 5.68 ~ 8.52 k Ω at 20 °C (68 °F) ----
Spark plug cap: Type Resin ----
Resistance 10 k Ω at 20 °C (68 °F) ----
Charging system: System type AC magneto ----
Model/manufacturer F1P6/SHY ----
Normal output 14 V/80 W at 5,000 r/min ----
Charging coil resistance (color) 0.96 ~ 1.44 Ω at 20 °C (68 °F)
(White – Black) ----
Lighting coil resistance (color) 0.80 ~ 1.20 Ω at 20 °C (68 °F)
(Yellow – Black) ----
Rectifier/regulator: Regulator type Semiconductor short circuit ----
Model/manufacturer SH620B-12/SHINDENGEN ----
No-load regulated voltage (DC) 14.0 ~ 15.0 V ----
No-load regulated voltage (AC) 13.0 ~ 14.0 V ----
Rectifier capacity 8 A ----
Battery: Model YT4B-BS or GT4B-5 ----
Voltage capacity 12 V 2.3 Ah or 12 V 2.5 Ah ----
Electric starting system: Type Constant mesh ----
Starter motor: Model/manufacturer 1P6/SHY ----
Operation voltage 12 V ----
Output 0.25 kW ----
Armature coil resistance 0.035 ~ 0.043 Ω at 20 °C (68 °F) ----
Brush overall length 7 mm (0.28 in) 3.5 mm (0.14 in)
Brush quantity 2 pcs. ----
MAINTENANCE SPECIFICATIONS

SPEC
2 - 15
Spring force 3.92 ~ 5.88 N
(400 ~ 600 g, 14.1 ~ 21.2 oz)3.92 N
(400 g,
14.1 oz)
Commutator diameter 17.6 mm (0.69 in) 16.6 mm (0.65 in)
Mica undercut (depth) 1.35 mm (0.05 in) ----
Starter relay: Model/manufacturer ACA12115-1/NAis ----
Amperage rating 30 A ----
Coil winding resistance 72.00 ~ 88.00 Ω at 20 °C (68 °F) ----
Fuse (amperage × quantity):
Main fuse 10 A × 1 ----
Reserve fuse 10 A × 1 ----
Item Standard Limit
MAINTENANCE SPECIFICATIONS

2 - 4
SPEC
CARACTERISTIQUES D’ENTRETIEN
MOTEUR
Elément Standard Limite
Culasse: Limite de d éformation ---- 0,05 mm
(0,0020 in)
Cylindre: Alésage 35,995 à 36,015 mm
(1,4171 à 1,4179 in) 36,05 mm
(1,419 in)
Arbre à cames:
M éthode de transmission Transmission par cha îne (gauche) ----
Dimensions de came
Admission “A ” 25,428 à 25,528 mm
(1,0011 à 1,0050 in) 25,328 mm
(0,9972 in)
“ B ” 21,034 à 21,134 mm
(0,8281 à 0,8320 in) 20,934 mm
(0,8242 in)
Echappement “A ” 25,286 à 25,386 mm
(0,9955 à 0,9994 in) 25,186 mm
(0,9916 in)
“ B ” 21,047 à 21,147 mm
(0,8286 à 0,8326 in) 20,947 mm
(0,8247 in)
Limite de voile d ’arbre à cames ---- 0,03 mm
(0,0012 in)
Cha îne de came:
Type de cha îne de came/nbre de maillons 92RH2005-84M/84 ----
M éthode de r églage de la cha îne de came Automatique ----
CARACTERISTIQUES D ’ENTRETIEN

2 - 11
SPEC
CHASSISElément Standard Limite
Syst ème de direction:
Type de roulement de direction Roulement oblique ----
Suspension avant: Débattement de fourche 96 mm (3,78 in) ----
Raideur de ressort K1 7,95 N/mm (0,81 kgf/mm, 45,39 lb/in)----
K2 10,50 N/mm (1,07 kgf/mm, 59,96 lb/in) ----
Ressort/entretoise en option Non ----
Diam ètre ext érieur du tube plongeur 21,7 mm (0,85 in) ----
Suspension arri ère:
D ébattement d ’amortisseur 47 mm (1,85 in) ----
Longueur de ressort libre 114 mm (4,49 in) ----
Longueur mont é 110 mm (4,33 in) ----
Raideur de ressort, standard K = 29,0 N/mm (2,96 kgf/mm, 166 lb/in)----
Ressort en option Non ----
Bras oscillant: Limite de jeu du bras oscillant A l ’extr émit é ---- 1,0 mm (0,0394 in)
Jeu lat éral ---- 0,3 mm (0,0118 in)
Roue: Type de roue avant Roue à rayons ----
Type de roue arri ère Roue à rayons ----
Taille/mat ériau de la jante avant 10 × 1,40/acier ----
Taille/mat ériau de la jante arri ère 10 × 1,40/acier ----
Limite de voile de la jante: Radial ---- 2,0 mm (0,08 in)
Lat éral ---- 2,0 mm (0,08 in)
Cha îne de transmission:
Type/fabricant 420/KMC ----
Nombre de maillons 79 maillons + attache ----
Fl èche de la cha îne 35 à 45 mm (1,38 à 1,77 in) ----
Longueur de la cha îne (15 maillons) ---- 194,3 mm
(7,65 in)
CARACTERISTIQUES D’ENTRETIEN