REAR BRAKE
4-30
4. Check:
•
Brake fluid level
Refer to “CHECKING THE BRAKE FLUID
LEVEL” on page 3-24.
5. Check:
•
Brake pedal operation
A softy or spongy feeling
Bleed the brake
system.
Refer to “BLEEDING THE HYDRAULIC
BRAKE SYSTEM” on page 3-25.
EAM30042
REMOVING THE REAR BRAKE CALIPER
TIP
Before disassembling the brake caliper, drain
the brake fluid from the entire brake system.
1. Remove:
•
Union bolt
•
Copper washer
•
Brake hose
TIP
Put the end of the brake hose into a container
and pump out the brake fluid.
EAM30043
DISASSEMBLING THE REAR BRAKE
CALIPER
1. Remove:
•
Brake caliper piston “1”
•
Brake caliper piston dust seal “2”
•
Brake caliper piston seal “3”
a. Blow compressed air into the brake hose
joint opening to force out the piston from
the brake caliper.
WARNING
EWA13550
• Cover the brake caliper piston with a rag.
Be careful not to get injured when the pis-
ton is expelled from the brake caliper.
• Never try to pry out the brake caliper pis-
ton.
b. Remove the brake caliper piston dust seal
and the brake caliper piston seal.
EAM30044
CHECKING THE REAR BRAKE CALIPER
1. Check:
•
Brake caliper piston “1”
Rust/scratches/wear
Replace the brake
caliper piston.
•
Brake caliper cylinder “2”
Scratches/wear
Replace the brake caliper
assembly.
•
Brake caliper body “3”
Cracks/damage
Replace the brake caliper
assembly.
•
Brake fluid delivery passages
(brake caliper body)
Obstruction
Blow out with compressed air.
WARNING
EWA19270
When the brake caliper is disassembled, re-
place the brake caliper piston seal and the
brake caliper piston dust seal with new ones.
9
9
8
8
2
3
1
1
2
3
Содержание YZ450FX 2021
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 62: ...CABLE ROUTING DIAGRAM 2 17 EAM20152 CABLE ROUTING DIAGRAM Frame and engine left side view ...
Страница 64: ...CABLE ROUTING DIAGRAM 2 19 Frame and engine right side view ...
Страница 66: ...CABLE ROUTING DIAGRAM 2 21 Handlebar front view ...
Страница 68: ...CABLE ROUTING DIAGRAM 2 23 Frame and engine top view ...
Страница 70: ...CABLE ROUTING DIAGRAM 2 25 Frame and battery top view ...
Страница 72: ...CABLE ROUTING DIAGRAM 2 27 Rear brake right side view ...
Страница 74: ...CABLE ROUTING DIAGRAM 2 29 ...
Страница 112: ...ELECTRICAL SYSTEM 3 36 ...
Страница 148: ...REAR BRAKE 4 34 system Refer to BLEEDING THE HYDRAULIC BRAKE SYSTEM on page 3 25 ...
Страница 154: ...HANDLEBAR 4 40 Throttle grip free play 3 0 6 0 mm 0 12 0 24 in ...
Страница 188: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 2 EAM30507 LUBRICATION DIAGRAMS 1 Camshaft 2 Drive axle 3 Main axle ...
Страница 189: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 3 1 Connecting rod 2 Oil nozzle 3 Crankshaft ...
Страница 190: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 4 1 Exhaust camshaft 2 Intake camshaft 3 Oil filter element 4 Oil pump ...
Страница 191: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 5 1 Oil filter element 2 Oil pump 3 Oil strainer ...
Страница 243: ...SHIFT SHAFT 5 57 TIP Align the punch mark a on the shift shaft with the punch mark b in the shift pedal 1 1 2 2 a b ...
Страница 270: ...WATER PUMP 6 9 ...
Страница 280: ...THROTTLE BODY 7 9 ...
Страница 283: ......
Страница 284: ...IGNITION SYSTEM 8 1 EAM20142 IGNITION SYSTEM EAM30277 CIRCUIT DIAGRAM ...
Страница 288: ...ELECTRIC STARTING SYSTEM 8 5 EAM20143 ELECTRIC STARTING SYSTEM EAM30279 CIRCUIT DIAGRAM ...
Страница 292: ...CHARGING SYSTEM 8 9 EAM20144 CHARGING SYSTEM EAM30282 CIRCUIT DIAGRAM ...
Страница 295: ...CHARGING SYSTEM 8 12 ...
Страница 296: ...SIGNALING SYSTEM 8 13 EAM20154 SIGNALING SYSTEM EAM30348 CIRCUIT DIAGRAM ...
Страница 300: ...FUEL INJECTION SYSTEM 8 17 EAM20145 FUEL INJECTION SYSTEM EAM30284 CIRCUIT DIAGRAM ...
Страница 325: ...FUEL INJECTION SYSTEM 8 42 ...
Страница 326: ...FUEL PUMP SYSTEM 8 43 EAM20146 FUEL PUMP SYSTEM EAM30287 CIRCUIT DIAGRAM ...
Страница 358: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 15 ...
Страница 368: ...CHASSIS 10 9 ...
Страница 370: ......
Страница 372: ......
Страница 373: ...YZ450FXM 2021 WIRING DIAGRAM BEX 2819U 10_W D indd 1 2020 05 29 15 34 30 ...
Страница 374: ...YZ450FXM 2021 WIRING DIAGRAM BEX 2819U 10_W D indd 2 2020 05 29 15 34 30 ...