CYLINDER AND PISTONS
5-38
TIP
• Install the oil ring expander as shown in the il-
lustration.
• Be sure to install the piston rings so that the
manufacturer marks “a” face up.
2. Install:
• Piston “1”
• Piston pin “2”
• Piston pin clips “3”
TIP
• Apply engine oil onto the piston pin.
• Make sure the punch mark “a” on the piston
points towards the exhaust side of the engine.
• Before installing the piston pin clips, cover the
crankcase opening with a clean rag to prevent
the piston pin clips from falling into the crank-
case.
• When installing a piston pin clip, make sure
that the clip ends “b” are pistoned away from
the cutout “c” in the piston as shown in the illus-
tration.
• Reinstall each piston into its original cylinder
(numbering order starting from the left: #1 to
#2).
3. Lubricate:
• Piston
• Piston rings
• Cylinder
(with the recommended lubricant)
4. Offset:
• Piston ring end gaps
5. Install:
• Dowel pins
• O-ring
• Cylinder gasket
6. Install:
• Cylinder “1”
TIP
• While compressing the piston rings, install the
cylinder.
• Pass the timing chain and timing chain guide
(intake side) through the timing chain cavity.
5
4
3
1
2
a
a
New
1
a
2
3
New
Recommended lubricant
Engine oil
a. Top ring
b. Oil ring expander
c. Lower oil ring rail
d. 2nd ring
e. Upper oil ring rail
A. Exhaust side
b
c
3
1
2
New
45˚
45˚
45˚
45˚
45˚
135˚
A
c
b
e
d
a
New
New
Содержание YZF-R25
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Страница 25: ...BASIC SERVICE INFORMATION 1 16 ...
Страница 32: ...SPECIAL TOOLS 1 23 ...
Страница 49: ...TIGHTENING TORQUES 2 16 2 6 8 5 4 1 2 6 3 7 2 10 9 A ...
Страница 61: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 28 Oil pump right side view 1 2 1 Oil pump 2 Relief valve ...
Страница 66: ...COOLING SYSTEM DIAGRAMS 2 33 EAS20020 COOLING SYSTEM DIAGRAMS 1 2 3 1 5 4 4 ...
Страница 67: ...COOLING SYSTEM DIAGRAMS 2 34 1 Radiator 2 Radiator outlet hose 3 Water pump 4 Thermostat 5 Radiator inlet hose ...
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Страница 128: ...PERIODIC MAINTENANCE 3 29 ...
Страница 146: ...GENERAL CHASSIS 5 4 15 1 b b a a 2 ...
Страница 200: ...FRONT FORK 4 69 2 b a 1 ...
Страница 209: ...SWINGARM AND REAR SHOCK ABSORBER ASSEMBLY 4 78 2 1 1 1 a A B ...
Страница 214: ...CHAIN DRIVE 4 83 ...
Страница 227: ...ENGINE REMOVAL 5 10 T R Exhaust pipe protector bolt 8 Nm 0 8 m kgf 5 8 ft lbf LOCTITE 9 8 4 7 6 1 5 3 2 ...
Страница 256: ...CYLINDER AND PISTONS 5 39 1 ...
Страница 310: ...TRANSMISSION 5 93 ...
Страница 322: ...WATER PUMP 6 11 ...
Страница 336: ...THROTTLE BODIES 7 13 c 1 cylinder d 2 cylinder A Left B Right b a d c A B b 1 ...
Страница 337: ...THROTTLE BODIES 7 14 ...
Страница 338: ...AIR INDUCTION SYSTEM 7 15 EAS20071 AIR INDUCTION SYSTEM 1 2 3 4 5 1 2 ...
Страница 342: ...AIR INDUCTION SYSTEM 7 19 ...
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Страница 355: ...ELECTRIC STARTING SYSTEM 8 10 ...
Страница 359: ...CHARGING SYSTEM 8 14 ...
Страница 371: ...SIGNALING SYSTEM 8 26 ...
Страница 417: ...FUEL PUMP SYSTEM 8 72 ...
Страница 418: ...ELECTRICAL COMPONENTS 8 73 EAS20089 ELECTRICAL COMPONENTS 2 1 3 4 6 5 8 7 17 18 15 16 14 13 12 11 10 9 20 19 ...
Страница 420: ...ELECTRICAL COMPONENTS 8 75 2 3 4 5 12 11 10 9 8 7 1 6 ...
Страница 440: ...ELECTRICAL COMPONENTS 8 95 ...
Страница 451: ...SELF DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE 9 10 ...
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