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
* Breather system
•
Check ventilation hose for cracks
or damage and drain any depos-
its.
•
Replace.
Every two years
25
Spark plug
•
Check the electrodes and the ter-
minals for wear.
•
Replace.
26
* Cooling system
•
Check coolant level and leakage.
•
Check radiator cap operation.
•
Check radiator cap attached.
•
Change the coolant.
Every two years
•
Inspect hoses.
27
* Engine guard
•
Replace.
28
* Frame
•
Clean and inspect.
29
* Fuel tank, fuel pump
•
Inspect.
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
Содержание YZ250FX 2021
Страница 6: ...EAM20162 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY ...
Страница 10: ......
Страница 61: ...TIGHTENING TORQUES 2 16 ...
Страница 62: ...CABLE ROUTING DIAGRAM 2 17 EAM20152 CABLE ROUTING DIAGRAM Frame and engine left side view ...
Страница 64: ...CABLE ROUTING DIAGRAM 2 19 Frame and engine right side view ...
Страница 66: ...CABLE ROUTING DIAGRAM 2 21 Handlebar front view ...
Страница 68: ...CABLE ROUTING DIAGRAM 2 23 Frame and engine top view ...
Страница 70: ...CABLE ROUTING DIAGRAM 2 25 Frame and battery top view ...
Страница 72: ...CABLE ROUTING DIAGRAM 2 27 Rear brake right side view ...
Страница 74: ...CABLE ROUTING DIAGRAM 2 29 ...
Страница 112: ...ELECTRICAL SYSTEM 3 36 ...
Страница 153: ...HANDLEBAR 4 39 Throttle grip free play 3 0 6 0 mm 0 12 0 24 in ...
Страница 166: ...FRONT FORK 4 52 1 ...
Страница 184: ...CHAIN DRIVE 4 70 ...
Страница 189: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 3 1 Oil filter element 2 Oil pump ...
Страница 190: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 4 1 Intake camshaft 2 Exhaust camshaft ...
Страница 191: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 5 5 1 Camshaft 2 Oil pressure check bolt 3 Oil pump 4 Oil filter element ...
Страница 245: ...SHIFT SHAFT 5 59 TIP Align the punch mark a on the shift shaft with the punch mark b in the shift pedal 1 1 2 2 a b ...
Страница 251: ...OIL PUMP 5 65 A Primary drive gear side B Crankcase cover side 5 7 mm 0 02 0 28 in 5 c d 6 8 b 8 6 7 E ...
Страница 264: ...TRANSMISSION 5 78 ...
Страница 274: ...WATER PUMP 6 9 ...
Страница 284: ...THROTTLE BODY 7 9 ...
Страница 287: ......
Страница 288: ...IGNITION SYSTEM 8 1 EAM20142 IGNITION SYSTEM EAM30277 CIRCUIT DIAGRAM ...
Страница 292: ...ELECTRIC STARTING SYSTEM 8 5 EAM20143 ELECTRIC STARTING SYSTEM EAM30279 CIRCUIT DIAGRAM ...
Страница 296: ...CHARGING SYSTEM 8 9 EAM20144 CHARGING SYSTEM EAM30282 CIRCUIT DIAGRAM ...
Страница 299: ...CHARGING SYSTEM 8 12 ...
Страница 300: ...SIGNALING SYSTEM 8 13 EAM20154 SIGNALING SYSTEM EAM30348 CIRCUIT DIAGRAM ...
Страница 304: ...FUEL INJECTION SYSTEM 8 17 EAM20145 FUEL INJECTION SYSTEM EAM30284 CIRCUIT DIAGRAM ...
Страница 329: ...FUEL INJECTION SYSTEM 8 42 ...
Страница 330: ...FUEL PUMP SYSTEM 8 43 EAM20146 FUEL PUMP SYSTEM EAM30287 CIRCUIT DIAGRAM ...
Страница 362: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 15 ...
Страница 372: ...CHASSIS 10 9 ...
Страница 374: ......
Страница 376: ......
Страница 377: ...YZ250FXM 2021 WIRING DIAGRAM BAJ 2819U 11_WD indd 1 2020 06 29 15 46 05 ...
Страница 378: ...YZ250FXM 2021 WIRING DIAGRAM BAJ 2819U 11_WD indd 2 2020 06 29 15 46 06 ...