Yamaha WR450FN 2022 Owner's Service Manual page 92

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No.
Item
4
Front brake
*
5
Rear brake
*
6
*
Brake hoses
7
*
Wheels
8
*
Tires
9
Wheel bearings
*
Swingarm pivot
10 *
bearings
11
Drive chain
12 *
Steering bearings
Brake and clutch
13
lever pivot shafts
Brake pedal pivot
14
shafts
15
Sidestand pivot
16 *
Front fork
Shock absorber
17 *
assembly
Rear suspension
18 *
link pivots
19 *
Control cables
Throttle grip hous-
20 *
ing and cable
21 *
Chassis fasteners
22
Battery
TIP
• The air filter needs more frequent service if you are riding in unusually wet or dusty areas.
• Hydraulic brake service
• After disassembling the brake master cylinders and calipers, always change the fluid. Regularly
check the brake fluid levels and fill the reservoirs as required.
• Every two years replace the internal components of the brake master cylinders and calipers, and
Checks and maintenance jobs
• Check operation, fluid level, and for fluid leakage.
• Replace brake pads if necessary.
• Replace brake fluid every 1 year.
• Check operation, fluid level, and for fluid leakage.
• Replace brake pads if necessary.
• Replace brake fluid every 1 year.
• Check for cracks or damage.
• Replace.
• Check runout, spoke tightness and for damage.
• Tighten spokes if necessary.
• Check tread depth and for damage.
• Replace if necessary.
• Check air pressure.
• Correct if necessary.
• Check bearings for smooth operation.
• Replace if necessary.
• Check bearing assemblies for looseness.
• Moderately repack with lithium-soap-based grease.
• Check chain slack/alignment and condition.
• Adjust and lubricate chain with a special O-ring
chain lubricant thoroughly.
• Check bearing assemblies for looseness.
• Moderately repack with lithium-soap-based grease
every 1200 mi (2000 km) or 12 months (whichever
comes first).
• Apply lithium-soap-based grease (all-purpose
grease) or silicone grease lightly.
• Apply lithium-soap-based grease (all-purpose
grease) lightly.
• Check operation.
• Apply lithium-soap-based grease (all-purpose
grease) lightly.
• Check operation and for oil leakage.
• Replace if necessary.
• Check operation and for oil leakage.
• Replace if necessary.
• Apply molybdenum disulfide grease lightly.
• Apply Yamaha chain and cable lube or engine oil
10W-30 thoroughly.
• Check operation and free play.
• Adjust the throttle cable free play if necessary.
• Lubricate the throttle grip housing and cable.
• Check all chassis fitting and fasteners.
• Correct if necessary.
• Check terminal for looseness and corrosion.
PERIODIC MAINTENANCE
Initial
600 mi
(1000 km) or
1 month
3-2
Odometer readings
1800 mi
3000 mi
(3000 km) or
(5000 km) or
3 months
6 months
Every 1 year
Every 1 year
Every 4 years
Every ride

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Wr450f 2022

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