2001 YAMAHA YZ426F washer fluid

3 - 2
INSP
ADJ

MAINTENANCE INTERVALS
SHIFT FORK, SHIFT CAM, GUIDE BAR
Inspect
c
Inspect wear
ROTOR NUT
Retighten
c

c

MUFFLER
Inspect and retighten
Clean
Replace
c

c

c

c
* Whichever comes first
CRANK
Inspect and clean
c

c

CARBURETOR
Inspect, adjust and clean
c

c
When using a high-pres-
sure washer, make sure
that water does not enter
the accelerator pump.
SPARK PLUG
Inspect and clean
Replace
c

c

c

DRIVE CHAIN
Lubricate, slack, alignment
Replace
c

c

c
Use chain lube
Chain slack: 40 ~ 50 mm
(1.6 ~ 2.0 in)
COOLING SYSTEM
Check coolant level and leakage
Check radiator cap operation
Replace coolant
Inspect hoses
c

c

c

c

c
Every two years
OUTSIDE NUTS AND BOLTS
Retighten
c

c
Refer to “STARTING
AND BREAK-IN” section
in the CHAPTER 1.
AIR FILTER
Clean and lubricate
Replace
c

c

c
Use foam air-filter oil
OIL STRAINER (frame)
Clean
c

FRAME
Clean and inspect
c

c

FUEL TANK, COCK
Clean and inspect
c

c

BRAKES
Adjust lever position and pedal height
Lubricate pivot point
Check brake disc surface
Check fluid level and leakage
Retighten brake disc bolts, caliper
bolts, master cylinder bolts and union
bolts
Replace pads
Replace brake fluid
c

c

c

c

c

c

c

c

c

c

c

c
Every one year
FRONT FORKS
Inspect and adjust
Replace oil
Replace oil seal
c

c

c

c

c
Suspension oil “01”
FRONT FORK OIL SEAL AND DUST
SEAL
Clean and lube
c

c
Lithium base grease ItemAfter
break-inEvery
race
Every
third
(or
500 km)Every
fifth
(or
1,000 km)
As re-
quiredRemarks


3

5 - 21
CHASFRONT BRAKE AND REAR BRAKE
4. Install:
[Front]
lMaster cylinder kit 1
lPlain washer 2
lCirclip 3
lMaster cylinder boot 4
To master cylinder 5.
[Rear]
lMaster cylinder kit 1
lPush rod 2
lCirclip 3
lMaster cylinder boot 4
To master cylinder 5.
NOTE:
lApply the brake fluid on the master cylinder
kit.
lApply the lithium soap base grease on the tip
of the push rod.
lWhen installing the circlip, use a long nose
circlip pliers.
Front
õRear

õ
EC5A5310
Front master cylinder
1. Install:
lMaster cylinder 1
lMaster cylinder bracket 2
lBolt (master cylinder bracket) 3
NOTE:
lInstall the bracket so that the arrow mark a
face upward.
lFirst tighten the bolts on the upper side of the
master cylinder bracket, and then tighten the
bolts on the lower side.
T R..9 Nm (0.9 m · kg, 6.5 ft · lb)