FRONT BRAKE
4-15
EAS1SM1136
INTRODUCTION
EWA14100
WARNING
If you need to disassemble the disc brake
components, observe the following precau-
tions.
• Never disassemble the brake components
unless absolutely necessary.
• If there is any problem with connections
on the hydraulic brake system, perform
the following jobs.
Disassemble the brake system, drain the
brake fluid, and clean it. After that, add a
suitable amount of brake fluid. Then, bleed
it after reassembly.
• Use only brake fluid for washing brake
components.
• Use new brake fluid for cleaning the brake
components.
• Immediately wipe off the spilled brake fluid
to avoid damage to painted surfaces or
plastic parts.
• Handle brake fluid with special care not to
let it enter your eyes so that you may not
lost your eyesight.
• FIRST AID FOR BRAKE FLUID ENTERING
THE EYES:
• Flush with water for 15 minutes and get
immediate medical attention.
EAS1SM1137
CHECKING THE FRONT BRAKE DISC
1. Remove:
• Front wheel
Refer to “FRONT WHEEL” on page 4-3.
2. Check:
• Front brake disc
Damage/galling
Replace.
3. Measure:
• Brake disc thickness
Measure the brake disc thickness at a few
different locations.
Out of specification
Replace.
4. Install:
• Front wheel
Refer to “FRONT WHEEL” on page 4-3.
EAS1SM1138
REMOVING THE FRONT BRAKE CALIPER
TIP
Before disassembling the brake caliper, drain
the brake fluid from the entire brake system.
1. Remove:
• Union bolt
• Copper washers
• Brake hose
TIP
Put the end of the brake hose into a container
and pump out the brake fluid.
EAS1SM1139
DISASSEMBLING THE FRONT BRAKE CAL-
IPER
1. Remove:
• Brake caliper piston “1”
• Brake caliper piston dust seal “2”
• Brake caliper piston seals “3”
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Blow compressed air into the brake hose
joint opening to force out the piston from the
brake caliper.
EWA13550
WARNING
• Cover the brake caliper piston with a cloth.
Be careful not to get injured when the pis-
ton is expelled from the brake caliper.
• Do not use a screwdriver etc. for removing
the brake caliper piston.
Brake disc thickness limit
2.5 mm (0.10 in)
3
2
1
Summary of Contents for YZ250F 2014
Page 4: ......
Page 10: ......
Page 12: ......
Page 16: ...LOCATION OF IMPORTANT LABELS 1 2 EUR ...
Page 17: ...LOCATION OF IMPORTANT LABELS 1 3 AUS NZL ZAF ...
Page 42: ...CLEANING AND STORAGE 1 28 ...
Page 68: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 25 ...
Page 70: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 27 ...
Page 72: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 29 ...
Page 74: ...CABLE ROUTING DIAGRAM 2 31 EAS1SM1064 CABLE ROUTING DIAGRAM ...
Page 76: ...CABLE ROUTING DIAGRAM 2 33 ...
Page 78: ...CABLE ROUTING DIAGRAM 2 35 ...
Page 80: ...CABLE ROUTING DIAGRAM 2 37 ...
Page 82: ...CABLE ROUTING DIAGRAM 2 39 ...
Page 84: ...CABLE ROUTING DIAGRAM 2 41 ...
Page 190: ...CHAIN DRIVE 4 66 ...
Page 250: ...OIL PUMP AND BALANCER GEAR 5 57 c d 6 6 7 8 8 b ...
Page 286: ......
Page 295: ...CHARGING SYSTEM 8 9 EAS1SM1326 ...
Page 321: ...FUEL PUMP SYSTEM 8 35 EAS1SM1333 ...
Page 322: ...ELECTRICAL COMPONENTS 8 36 ELECTRICAL COMPONENTS EAS1SM1334 9 10 1 2 3 4 5 6 7 8 ...
Page 324: ...ELECTRICAL COMPONENTS 8 38 CHECKING THE SWITCHES B Y P Sb 2 1 ...
Page 325: ...ELECTRICAL COMPONENTS 8 39 1 Engine stop switch 2 Neutral switch ...
Page 334: ...ELECTRICAL COMPONENTS 8 48 ...
Page 342: ...LIST OF SELF DIAGNOSTIC AND FAIL SAFE ACTIONS 9 7 ...
Page 353: ......
Page 354: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER ...