Yamaha YZ450FX 2023, Руководство пользователя

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MAINTENANCE INTERVALS
3-2
11 * Cylinder head
• Check the coolant passages for
corrosion.
• Inspect carbon deposits and elim-
inate them.
• Check for warpage, and replace
the gasket.

12 * Cylinder
• Inspect score marks. 
• Inspect wear. 
13 Engine oil
• Check the engine oil amount.  
• Replace.  
14 Oil filter element • Replace.  
15
* Oil strainer
•
Clean.

16 * Clutch
• Inspect housing, friction plate,
clutch plate and spring.
 
• Replace. 
17 * Transmission
•
Inspect.

•
Replace bearings.

18
* Shift fork, shift cam,
guide bar
• Inspect wear.

19 * Nut (generator rotor) • Check for tightening torques.  
20 * Exhaust pipe,
silencer, protector
•
Check for exhaust leaks, and
tightening torques.
 
•
Clean.

•
Replace fiver.
(When the exhaust sound
becomes louder or when a perfor-
mance drop is felt.)
 
21
* Crankshaft
•
Inspect and clean.
 
22
* Throttle body
•
Inspect.

23
Air filter
•
Clean and lubricate.
 
•
Replace.

24
Spark plug
• Check the electrodes and the ter-
minals for wear.
 
• Replace. 
25 * Cooling system
•
Check coolant level and leakage.
 
• Check radiator cap operation. 
• Check radiator cap attached.  
•
Change the coolant. Every two years

• Inspect hoses. 
26 * Engine guard • Replace. 
27
* Frame
•
Clean and inspect.
 
28 * Fuel tank, fuel pump • Inspect.  
29 * Fuel hose
•
Inspect.

•
Replace. Every four years

No. Item Routine
After
break-in
Every
race
(about 2.5
hours)
Every
third race
(about 7.5
hours)
Every
fifth race
(about 12.5
hours)
As
required