ENGINE SPECIFICATIONS
2-2
EAM20128
ENGINE SPECIFICATIONS
Engine
Combustion
cycle
4-stroke
Cooling system
Liquid cooled
Valve
train
DOHC
Displacement
450
cm³
Number of cylinders
Single cylinder
Bore
stroke
97.0
60.8 mm (3.82
2.39 in)
Compression ratio
13.0 : 1
Starting system
Electric starter
Fuel
Recommended fuel
Unleaded gasoline (E10 acceptable)
Octane number (RON)
95
Fuel tank capacity
6.2 L (1.6 US gal, 1.4 Imp.gal)
Engine oil
Recommended
brand
YAMALUBE
SAE viscosity grades
10W-40, 10W-50, 15W-40, 20W-40 or 20W-50
Recommended engine oil grade
API service SG type or higher, JASO standard
MA
Lubrication
system
Dry
sump
Engine oil quantity
Oil change
0.94 L (0.99 US qt, 0.83 Imp.qt)
With oil filter removal
0.96 L (1.01 US qt, 0.84 Imp.qt)
Quantity (disassembled)
1.20 L (1.27 US qt, 1.06 Imp.qt)
Oil filter
Oil filter type
Cartridge
Cooling system
Coolant quantity
Radiator (including all routes)
1.03 L (1.09 US qt, 0.91 Imp.qt)
Radiator cap valve opening pressure
107.9–137.3 kPa (1.08–1.37 kgf/cm², 15.6–19.9
psi)
Spark plug(s)
Manufacturer/model
NGK/LMAR8G
Spark plug gap
0.7–0.8 mm (0.028–0.031 in)
Cylinder head
Warpage limit
0.05 mm (0.0020 in)
Camshaft
Camshaft cap inside diameter
22.043–22.064 mm (0.8678–0.8687 in)
Camshaft journal diameter
22.002–22.015 mm (0.8662–0.8667 in)
Camshaft-journal-to-camshaft-cap clearance
0.028–0.062 mm (0.0011–0.0024 in)
Camshaft-journal-to-camshaft-cap
clearance
limit
0.080 mm (0.0032 in)
Camshaft lobe dimensions
Lobe height limit (Intake)
38.030 mm (1.4972 in)
Lobe height limit (Exhaust)
34.170 mm (1.3453 in)
Valve, valve seat, valve guide
Valve clearance (cold)
Intake
0.10–0.17 mm (0.0039–0.0067 in)
Содержание YZ450FP 2023
Страница 6: ...EAM20162 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY...
Страница 10: ......
Страница 44: ...MOTORCYCLE CARE AND STORAGE 1 32...
Страница 61: ...TIGHTENING TORQUES 2 16...
Страница 66: ...CABLE ROUTING DIAGRAM 2 21 Frame and engine right side view 1 A B 2 C 3 4 D 5 6 E 7 9 8 13 12 10 1 11...
Страница 68: ...CABLE ROUTING DIAGRAM 2 23 Handlebar front view 6 5 D 4 3 2 B 1 A 8 F H I 5 10 G 7 E 8 7 E 2 3 9 C J...
Страница 72: ...CABLE ROUTING DIAGRAM 2 27 Frame and battery top view 2 1 B 5 4 3 A 7 4 E 6 D 2 3 C...
Страница 74: ...CABLE ROUTING DIAGRAM 2 29 Rear brake right side view 8 C C C D D E E F G B H 4 3 2 1 7 6 5 A A...
Страница 76: ...CABLE ROUTING DIAGRAM 2 31...
Страница 154: ...REAR BRAKE 4 38 system Refer to BLEEDING THE HYDRAULIC BRAKE SYSTEM on page 3 26...
Страница 194: ...CHAIN DRIVE 4 78...
Страница 254: ...SHIFT SHAFT 5 58 TIP Align the punch mark a on the shift shaft with the punch mark b in the shift pedal 1 1 1 2 2 a b...
Страница 267: ...CRANKCASE 5 71 6 45 mm 1 77 in 7 60 mm 2 36 in 8 75 mm 2 95 in 1 2 3 3 4 5 6 6 6 8 8 8 7 7 7 LT...
Страница 278: ...TRANSMISSION 5 82...
Страница 300: ...IGNITION SYSTEM 8 1 EAM20142 IGNITION SYSTEM EAM30277 CIRCUIT DIAGRAM...
Страница 305: ...IGNITION SYSTEM 8 6...
Страница 306: ...ELECTRIC STARTING SYSTEM 8 7 EAM20143 ELECTRIC STARTING SYSTEM EAM30279 CIRCUIT DIAGRAM...
Страница 310: ...CHARGING SYSTEM 8 11 EAM20144 CHARGING SYSTEM EAM30282 CIRCUIT DIAGRAM...
Страница 311: ...CHARGING SYSTEM 8 12 2 AC magneto 3 Rectifier regulator 4 Engine ground 5 Frame ground 6 Battery 7 Fuse...
Страница 313: ...CHARGING SYSTEM 8 14...
Страница 314: ...FUEL INJECTION SYSTEM 8 15 EAM20145 FUEL INJECTION SYSTEM EAM30284 CIRCUIT DIAGRAM B...
Страница 339: ...FUEL INJECTION SYSTEM 8 40...
Страница 340: ...FUEL PUMP SYSTEM 8 41 EAM20146 FUEL PUMP SYSTEM EAM30287 CIRCUIT DIAGRAM...
Страница 356: ...ELECTRICAL COMPONENTS 8 57...
Страница 372: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 15...
Страница 382: ...CHASSIS 10 9...
Страница 384: ......
Страница 386: ......
Страница 387: ...B YZ450FP 2023 WIRING DIAGRAM BHR 2819U 10_W D indd 1 2022 08 09 13 16 06...
Страница 388: ...ON OFF PUSH FREE PUSH FREE B YZ450FP 2023 WIRING DIAGRAM BHR 2819U 10_W D indd 2 2022 08 09 13 16 06...