2004 YAMAHA YZ250LC brake light

1-1
DESCRIPTION
GEN
INFO
EC100000
GENERAL INFORMATION
EC110000
DESCRIPTION
1Clutch lever
2“ENGINE STOP” button
3Front brake lever
4Throttle grip
5Radiator cap
6Fuel tank cap
7Kick starter
8Fuel tank
9Radiator
0Coolant drain bolt
qCheck bolt (Transmission oil level)
wRear brake pedal
eValve joint
rFuel cock
tStarter knob
yDrive chain
uAir cleaner
iShift pedal
oFront fork
NOTE:
9The machine you have purchased may differ
slightly from those shown in the following.
9Designs and specifications are subject to
change without notice.
5XF-9-30-1 4/22/03 8:54 AM Page 2

2-16
CABLE ROUTING DIAGRAMSPEC
1Master cylinder
2Brake hose holder
3Brake hoseAInstall the brake hose so that its pipe portion
directs as shown and lightly touches the projec-
tion on the caliper.
BPass the brake hose into the brake hose
holders.
CIf the brake hose contacts the spring (rear
shock absorber), correct its twist.
DInstall the brake hose so that its pipe portion
directs as shown and lightly touches the
projection on the master cylinder.
5XF-9-30-2 5/15/03 3:54 PM Page 56

SPEC
2-17
CABLE ROUTING DIAGRAM
1Brake hose
2Master cylinder
3“ENGINE STOP” button lead
4“ENGINE STOP” button
5Throttle cable
6Clutch cable
7Clamp
8Cable guideAInstall the brake hose so that its pipe portion
directs as shown and lightly touches the
projection on the master cylinder.
BPass the “ENGINE STOP” button lead in
the middle of the clutch holder.
CClamp the “ENGINE STOP” button lead to
the handlebar to 3 clicks.
DPass the brake hose in front of the number
plate and through the cable guide.
5XF-9-30-2 5/15/03 3:54 PM Page 58

3-37
LUBRICATION
INSP
ADJ
EC36a042
LUBRICATION
To ensure smooth operation of all components,
lubricate your machine during setup, after break-
in, and after every race.
1All control cable
2Clutch lever pivot
3Shift pedal pivot
4Footrest pivot
5Throttle-to-handlebar contact
6Drive chain
7Throttle roller sliding surface
8Tube guide cable winding portion
9Throttle cable end
0Clutch cable endÅUse Yamaha cable lube or equivalent on
these areas.
ıUse SAE10W-30 motor oil or suitable chain
lubricants.
ÇLubricate the following areas with high quali-
ty, lightweight lithium-soap base grease.
cC
Wipe off any excess grease, and avoid get-
ting grease on the brake discs.
A
A
CC
AB
AA
5XF-9-30-3B 5/6/03 6:32 PM Page 38

5-18
CHASFRONT BRAKE AND REAR BRAKE
3. Install:
9Brake hose holder 1
9Caliper 2
9Bolt (caliper) 3
NOTE:
Fit the brake hose holder cut aover the projec-
tion bon the front fork and clamp the brake
hose.
4. Tighten:
9Pad pin 4
5. Install:
9Pad pin plug 5
EC5A5121
Rear caliper
1. Install:
9Pad support 1
9Brake pad 2
9Pad pin 3
NOTE:
9Install the brake pads with their projections
ainto the caliper recesses b.
9Temporarily tighten the pad pin at this point.
2. Install:
9Copper washer 1
9Union bolt 2
w
Always use new copper washers.
cC
Install the brake hose so that its pipe por-
tion a a
directs as shown and lightly touch-
es the projection b b
on the caliper.
30 Nm (3.0 m•kg, 22 ft•lb)
23 Nm (2.3 m•kg, 17 ft•lb)
18 Nm (1.8 m•kg, 13 ft•lb)
3 Nm (0.3 m•kg, 2.2 ft•lb)
5XF-9-30-5A 4/21/03 9:58 PM Page 36

5-21
CHASFRONT BRAKE AND REAR BRAKE
2. Install:
9Brake lever 1
9Bolt (brake lever) 2
9Nut (brake lever) 3
NOTE:
Apply the lithium soap base grease on the
brake lever sliding surface, bolt and contacting
surface of the master cylinder piston.
6 Nm (0.6 m•kg, 4.3 ft•lb)
6 Nm (0.6 m•kg, 4.3 ft•lb)
EC5A5401
Rear master cylinder
1. Install:
9Copper washer 1
9Brake hose 2
9Union bolt 3
w
Always use new copper washers.
cC
Install the brake hose so that its pipe por-
tion
a adirects as shown and lightly touch-
es the projection
b bon the master cylinder.
30 Nm (3.0 m•kg, 22 ft•lb)
2. Install:
9Master cylinder 1
9Bolt (master cylinder) 2
10 Nm (1.0 m•kg, 7.2 ft•lb)
5XF-9-30-5A 4/21/03 9:58 PM Page 42

5-23
CHASFRONT BRAKE AND REAR BRAKE
3. Pass the brake hose through the cable
guide 1, then through the guide aon the
protector 2.
4. Install:
9Copper washer 1
9Brake hose 2
9Union bolt 3
w
Always use new copper washers.
cC
Install the brake hose so that its pipe por-
tion a a
directs as shown and lightly touch-
es the projection b b
on the master cylinder.
30 Nm (3.0 m•kg, 22 ft•lb)
EC5A5502
Rear brake hose
1. Install:
9Copper washer 1
9Brake hose 2
9Union bolt 3
w
Always use new copper washers.
cC
Install the brake hose so that its pipe por-
tion a a
directs as shown and lightly touch-
es the projection b b
on the caliper.
30 Nm (3.0 m•kg, 22 ft•lb)
5XF-9-30-5A 4/21/03 9:58 PM Page 46