Yamaha WR450F 2022 Owner's Manual page 62

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No.
Item
12 * Clutch
13 * Transmission
Shift fork, shift cam,
14 *
guide bar
15 * Generator rotor nut
16 * Muffler
17 * Crank
18 * Throttle body
19
Spark plug
20
Drive chain
21 * Cooling system
Outside nuts and
22
bolts
23
Air filter
24
Oil filter
25 * Engine guard
26 * Frame
27 * Fuel tank, fuel pump
28 * Fuel hose
29 * Brake(s)
30 * Front fork(s)
Routine
• Inspect housing, friction plate,
clutch plate and spring.
• Replace.
• Inspect.
• Replace bearings.
• Inspect wear.
• Retighten.
• Inspect and retighten.
• Clean.
• Replace.
• Inspect and clean.
• Inspect.
• Inspect and clean.
• Replace.
• Lubricate, slack, alignment.
• Replace.
• Check coolant level and leakage.
• Check radiator cap operation.
• Replace coolant.
• Inspect hoses.
• Retighten.
• Clean and lubricate.
• Replace.
• Replace.
• Replace.
• Clean and inspect.
• Clean and inspect.
• Inspect.
• Replace.
• Adjust lever position and pedal
position.
• Lubricate pivot point.
• Check brake disc surface.
• Check fluid level and leakage.
• Retighten brake disc bolts, caliper
bolts, master cylinder bolts and
union bolts.
• Replace pads.
• Replace brake fluid.
• Inspect and adjust.
• Replace oil.
• Replace oil seal.
PERIODIC MAINTENANCE
After
Every
break-in
race
Every two years
Every four years
Every one year
3-4
Every third
Every fifth
race
race
(or 500 km)
(or 1000 km)
As
required

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