ENGINE SPECIFICATIONS
2-4
Limit
4.550 mm (0.1791 in)
Valve guide inside diameter (exhaust)
4.500–4.512 mm (0.1772–0.1776 in)
Limit
4.550 mm (0.1791 in)
Valve-stem-to-valve-guide clearance (intake)
0.010–0.037 mm (0.0004–0.0015 in)
Limit
0.080 mm (0.0032 in)
Valve-stem-to-valve-guide clearance (exhaust)
0.025–0.052 mm (0.0010–0.0020 in)
Limit
0.100 mm (0.0039 in)
Valve stem runout
0.010 mm (0.0004 in)
Valve spring
Free length (intake)
37.58 mm (1.48 in)
Limit
35.70 mm (1.41 in)
Free length (exhaust)
37.58 mm (1.48 in)
Limit
35.70 mm (1.41 in)
Installed length (intake)
30.90 mm (1.22 in)
Installed length (exhaust)
30.90 mm (1.22 in)
Spring rate K1 (intake)
25.68 N/mm (2.62 kgf/mm, 146.63 lbf/in)
Spring rate K2 (intake)
40.50 N/mm (4.13 kgf/mm, 231.26 lbf/in)
Spring rate K1 (exhaust)
25.68 N/mm (2.62 kgf/mm, 146.63 lbf/in)
Spring rate K2 (exhaust)
40.50 N/mm (4.13 kgf/mm, 231.26 lbf/in)
Installed compression spring force (intake)
159.60–183.60 N (16.27–18.72 kgf, 35.88–
41.27 lbf)
Installed compression spring force (exhaust)
159.60–183.60 N (16.27–18.72 kgf, 35.88–
41.27 lbf)
Spring tilt (intake)
1.6 mm (0.06 in)
Spring tilt (exhaust)
1.6 mm (0.06 in)
Winding direction (intake)
Clockwise
Winding direction (exhaust)
Clockwise
Cylinder
Bore
60.000–60.010 mm (2.3622–2.3626 in)
Taper limit
0.050 mm (0.0020 in)
Out of round limit
0.050 mm (0.0020 in)
Piston
Piston-to-cylinder clearance
0.015–0.048 mm (0.0006–0.0019 in)
Diameter
59.962–59.585 mm (2.3607–2.3459 in)
Measuring point (from piston skirt bottom)
7.0 mm (0.28 in)
Offset
**
Piston pin bore inside diameter
15.002–15.013 mm (0.5906–0.5911 in)
Limit
15.043 mm (0.5922 in)
Piston pin outside diameter
14.995–15.000 mm (0.5904–0.5906 in)
Limit
14.975 mm (0.5896 in)
Piston-pin-to-piston-pin-bore clearance
0.009–0.025 mm (0.0004–0.0010 in)
Limit
0.075 mm (0.0030 in)
Piston ring
Top ring
Ring type
Barrel
End gap (installed)
0.10–0.25 mm (0.0039–0.0098 in)
Limit
0.40 mm (0.0157 in)
Ring side clearance
0.030–0.065 mm (0.0012–0.0026 in)
Limit
0.100 mm (0.0039 in)
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 ...
Страница 99: ......
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 ...
Страница 345: ......
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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