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Yamaha WR250F 2021 - Page 90

Yamaha WR250F 2021
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PERIODIC MAINTENANCE
3-2
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.
3 * Spark arrester Clean.
4 * Front brake
Check operation, fluid level, and for fluid leakage.
Replace brake pads if necessary.

Replace brake fluid every 1 year. Every 1 year
5 * Rear brake
Check operation, fluid level, and for fluid leakage.
Replace brake pads if necessary.

Replace brake fluid every 1 year. Every 1 year
6 * Brake hoses
Check for cracks or damage. 
Replace. Every 4 years
7 * Wheels
Check runout, spoke tightness and for damage.
Tighten spokes if necessary.

8 * Tires
Check tread depth and for damage.
Replace if necessary.
Check air pressure.
Correct if necessary.

9 * Wheel bearings
Check bearings for smooth operation.
Replace if necessary.

10 *
Swingarm pivot
bearings
Check bearing assemblies for looseness.
Moderately repack with lithium-soap-based grease.

11 Drive chain
Check chain slack/alignment and condition.
Adjust and lubricate chain with a special O-ring
chain lubricant thoroughly.
Every ride
12 * Steering bearings
Check bearing assemblies for looseness.
Moderately repack with lithium-soap-based grease
every 1200 mi (2000 km) or 12 months (whichever
comes first).

13
Brake and clutch
lever pivot shafts
Apply lithium-soap-based grease (all-purpose
grease) or silicone grease lightly.

14
Brake pedal pivot
shafts
Apply lithium-soap-based grease (all-purpose
grease) lightly.

15
Sidestand pivot
Check operation.
Apply lithium-soap-based grease (all-purpose
grease) lightly.

16 * Front fork
Check operation and for oil leakage.
Replace if necessary.

17 *
Shock absorber
assembly
Check operation and for oil leakage.
Replace if necessary.

18 *
Rear suspension
link pivots
Apply molybdenum disulfide grease lightly.

19 * Control cables
Apply Yamaha chain and cable lube or engine oil
10W-30 thoroughly.

20 *
Throttle grip hous-
ing and cable
Check operation and free play.
Adjust the throttle cable free play if necessary.
Lubricate the throttle grip housing and cable.

21 * Chassis fasteners
Check all chassis fitting and fasteners.
Correct if necessary.

22 Battery Check terminal for looseness and corrosion. 
No. Item Checks and maintenance jobs
Initial Odometer readings
600 mi
(1000 km) or
1 month
1800 mi
(3000 km) or
3 months
3000 mi
(5000 km) or
6 months

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