Yamaha YZ85M 2021 - Page 44

Periodic maintenance and adjustment
7-5
7
EAU42012
TIP
 Hydraulic brake service
• Regularly check and, if necessary, correct the brake fluid levels.
• Every two years replace the internal components of the brake master cyl-
inders and calipers, and change the brake fluid.
• Replace the brake hoses every four years and if cracked or damaged.
NO. ITEM ROUTINE
After
break-in
Every
race
Every
third race
Every
fifth race
As
required
*
Shock absorber
assembly
• Check operation and adjust.

• Tighten if necessary.
• Lubricate with lithium-soap-based
grease.


*
Drive chain roller
and support guide
• Check for wear or damage.

• Replace if necessary.
*
Rear suspension
• Check operation and tighten if
necessary.

• Lubricate with molybdenum disulfide
grease.

• Check operation, free play, and
tighten if necessary.

*
Steering head • Clean and lubricate with
lithium-soap-based grease.

• Replace bearings.

• Check tire air pressure, wheel runout,
spokes for looseness, and tires for
wear.

• Tighten sprocket bolts if necessary.

*
Tires and wheels
• Check wheel bearings for looseness.

• Lubricate wheel bearings with
lithium-soap-based grease.

• Replace wheel bearings.

*
Moving parts and ca-
bles
• Lubricate.

*
Throttle grip
• Check operation.

• Check throttle grip free play, and
adjust if necessary.
27 *
Swingarm pivot
bearings
•

•
• Lubricate cable and grip housing.
After washing the motorcycle or riding in the rain.

Lubricate with molybdenum
disulfide grease.
Check bearing assemblies for
looseness.
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