Yamaha YZ 2023 Series Owner's Service Manual page 79

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No.
Item
• Inspect.
30 * Fuel hose
• Replace.
• Clean.
• Inspect and adjust.
• Replace oil.
31 * Front fork leg(s)
• Replace oil seal.
• Clean and grease oil seals and
32
• Replace.
Protector guide
• Inspect and adjust.
• Grease pillow balls and bearings.
33 * Rear shock absorber
• Check for tightening torques.
• Adjust lever position and pedal
• Lubricate pivot point.
• Check brake disc surface.
• Check fluid level and leakage.
34 * Brake(s)
• Retighten brake disc bolts, caliper
• Replace pads.
• Replace brake fluid.
35 * Swingarm
• Inspect, lube and retighten.
36 * Relay arm, connect-
• Inspect, lube and retighten.
ing rod
37
Sidestand
• Lubricate.
• Inspect free play and retighten.
38 * Steering head
• Clean and lube.
• Replace bearings.
• Inspect air pressure, wheel run-
• Retighten sprocket bolt.
39 * Tire, wheels
• Check the bearing.
• Replace bearings.
• Lubricate.
• Clean, lubricate, slack, alignment.
40 * Drive chain
• Replace.
41 * Drive chain guide
• Inspect wear.
Drive chain guide and
• Replace.
42 *
drive chain support
Routine
dust seals.
(After rain ride)
position.
bolts, master cylinder bolts and
union bolts.
(Check for tightening torques.)
(Check for tightening torques.)
(After rain ride)
out, tire wear and spoke loose-
ness.
MAINTENANCE INTERVALS
Every
After
race
third race
break-in
(about 2.5
(about 7.5
hours)
Every four years
Every one year
3-3
Every
Every
fifth race
As
(about 12.5
required
hours)
hours)

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