Yamaha YZ 2019 Series Owner's Service Manual page 91

Check or
Item
maintenance job
Clean
Inspect and adjust
Replace oil
Front fork leg(s)
Replace oil seal
Clean and grease oil
seals and dust seals
Protector guide
Replace
Inspect and adjust
Rear shock
Lubricate
absorber
Retighten
Adjust lever position
and pedal height
Lubricate pivot point
Check brake disc sur-
face
Check fluid level and
Brake(s) leakage
Retighten brake disc
bolts, caliper bolts,
master cylinder bolts
and union bolts
Replace pads
Replace brake fluid
Inspect, lube and
Swingarm
retighten
Relay arm, con-
Inspect, lube and
necting rod retighten
Sidestand
Lubricate
Inspect free play and
retighten
Steering head
Clean and lube
Replace bearings
Inspect air pressure,
wheel run-out, tire
wear and spoke
looseness
Retighten sprocket
Tire, wheels
bolt
Check the bearing
Replace bearings
Lubricate
Clean, lubricate,
slack, alignment
Drive chain
Replace
Drive chain guide
Inspect
MAINTENANCE INTERVALS
Every Every
race third
After
(about (about
break-in
2.5 7.5
hours) hours)
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3-3
Every
fifth
As
(about
required
12.5
hours)
Dust seal

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
Lithium-soap-based grease

Grease pillow balls and bear-
*
ings.
*After rain ride
Check for tightening torques.
Check for tightening torques.
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Every one year
Molybdenum disulfide grease
Molybdenum disulfide grease

Lithium-soap-based grease
Check for tightening torques.

After rain ride


Lithium-soap-based grease
Use chain oil.

Use chain oil.
Inspect wear.
Remarks