MAINTENANCE AFTER BREAK-IN
1-26
EAM20124
MAINTENANCE AFTER BREAK-IN
After a break-in, perform careful maintenance to
get ready for the next practice or race.
Refer to “PRE-OPERATION INSPECTION AND
MAINTENANCE” on page 3-6.
EAM30199
MAJOR MAINTENANCE
1. For the engine
•
Leaks around the engine
Check for pressure leaks from the cylinder
head or the cylinder, oil leaks from the crank-
case or the case cover, leaks from the cool-
ant system, and other leaks.
•
Check that the valve, the cylinder head, the
cylinder, the piston, and the piston ring fit one
another, and that contact between the valve
and the cylinder head, and that between the
cylinder and the piston are correct.
•
Engine oil change
Drain the oil, and check for dirt and foreign
materials such as metal chips. (If any foreign
material is mixed, disassemble and check the
crankcase.)
Pour the specified amount of the recom-
mended oil.
•
Generator
Check for looseness in mounted areas of the
generator rotor and the stator coil assembly.
Check that the connector is not being discon-
nected.
•
Silencer
Check the main body and stay for cracks.
Check for leaks.
•
Mounting bolts and nuts
Check for looseness in mounted areas of
parts, as well as engine mounting bolts and
engine brackets.
2. For the chassis
•
Check welds and mounted areas of the
frame, the swingarm, the link, the bracket,
and so on, for looseness and cracks.
•
Wheel(s)
Check the wheel for runout. Check the spoke
for looseness.
•
Brake(s)
Check the brake disc mounting bolt for loose-
ness.
Check that the reservoir contains the speci-
fied amount of brake fluid. Check for leaks.
•
Cable
Grease and adjust cables.
•
Drive chain
Lubricate the drive chain and adjust its ten-
sion.
•
Fuel tank
Clean the inside of the fuel tank. Check for
leaks.
•
Suspension
Check for oil leaks in the front fork or the rear
shock absorber. Check that the mounted
conditions are good.
•
Sprocket
Check for looseness in the sprocket mounted
on the rear wheel.
•
Mounting bolts and nuts
Check mounted areas for looseness.
NOTICE
ECA25831
After a break-in or before each race, always
check the points shown in “TORQUE-
CHECK POINTS” for tightening torques and
retighten them.
•
Greasing and oiling
Always grease or oil the specified points.
EAM30195
AIR FILTER MAINTENANCE
Apply the Yamaha foam air filter oil or other qual-
ity foam air filter oil to the element. (Excess oil in
the element may adversely affect engine start-
ing.) Refer to “CLEANING THE AIR FILTER EL-
EMENT” on page 3-16.
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...