SPEC
2 - 5
MAINTENANCE SPECIFICATIONS
Timing chain:
Timing chain type/No. of links
92RH2010-114M/114
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Timing chain adjustment method
Automatic
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Valve, valve seat, valve guide:
Valve clearance (cold)
IN
0.10 ~ 0.15 mm
(0.0039 ~ 0.0059 in)
----
EX
0.17 ~ 0.22 mm
(0.0067 ~ 0.0087 in)
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Valve dimensions:
“A” head diameter
IN
22.9 ~ 23.1 mm
(0.9016 ~ 0.9094 in)
----
EX
24.4 ~ 24.6 mm
(0.9606 ~ 0.9685 in)
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“B” face width
IN
2.26 mm (0.089 in)
----
EX
2.26 mm (0.089 in)
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“C” seat width
IN
0.9 ~ 1.1 mm
(0.0354 ~ 0.0433 in)
1.6 mm
(0.0630 in)
EX
0.9 ~ 1.1 mm
(0.0354 ~ 0.0433 in)
1.6 mm
(0.0630 in)
“D” margin thickness
IN
0.8 mm (0.0315 in)
----
EX
0.7 mm (0.0276 in)
----
Stem outside diameter
IN
3.975 ~ 3.990 mm
(0.1565 ~ 0.1571 in)
3.945 mm
(0.1553 in)
EX
4.460 ~ 4.475 mm
(0.1756 ~ 0.1762 in)
4.430 mm
(0.1744 in)
Guide inside diameter
IN
4.000 ~ 4.012 mm
(0.1575 ~ 0.1580 in)
4.050 mm
(0.1594 in)
EX
4.500 ~ 4.512 mm
(0.1772 ~ 0.1776 in)
4.550 mm
(0.1791 in)
Stem-to-guide clearance
IN
0.010 ~ 0.037 mm
(0.0004 ~ 0.0015 in)
0.08 mm
(0.003 in)
EX
0.025 ~ 0.052 mm
(0.0010 ~ 0.0020 in)
0.10 mm
(0.004 in)
Item
Standard
Limit
Head Diameter
B
Face Width
C
Seat Width
D
Margin Thickness
A
Содержание YZ250F(P)/LC
Страница 312: ...4 28 ENG 7 Install Oil tank breather hose Cylinder head breather hose Spark plug T R 13 Nm 1 3 m kg 9 4 ft lb CAMSHAFTS...
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Страница 666: ...PRINTED IN JAPAN 2001 8 1 7 1 CR E F G H PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN...