Yamaha WR450F Owner's Service Manual page 105

ITEM
BRAKES
Adjust lever posi-
tion and pedal
height
Lubricate pivot
point
Check brake disc
surface
Check fluid level
and leakage
Retighten brake
disc bolts, caliper
bolts, master cylin-
der bolts and union
bolts
Replace pads
Replace brake flu-
id
FRONT FORKS
Inspect and adjust
Replace oil
Replace oil seal
FRONT FORK OIL
SEAL AND DUST
SEAL
Clean and lube
PROTECTOR
GUIDE
Replace
REAR SHOCK AB-
SORBER
Inspect and adjust
Lube
Retighten
DRIVE CHAIN
GUARD AND ROLL-
ERS
Inspect
DRIVE CHAIN
STOPPER
Inspect
Every
After third
Every
break- (or
race
in 500
km)
PERIODIC MAINTENANCE
Every
fifth
As re-
(or
quired
1,000
km)
(After
rain
ride)
3-7
Remarks
Every one year
Yamaha Suspension Oil S1
Lithium-soap-based grease
Molybdenum disulfide grease