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SPEC
MAINTENANCE SPECIFICATIONS
Cam chain:
Cam chain type/No. of links
92RH2010-120MPX/120
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Cam chain adjustment method
Automatic
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Valve, valve seat, valve guide:
Valve clearance (cold)
IN
0.15 ~ 0.20 mm
(0.0059 ~ 0.0079 in)
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EX
0.25 ~ 0.30 mm
(0.0098 ~ 0.0118 in)
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Valve dimensions:
“A” head diameter
IN
26.9 ~ 27.1 mm
(1.0591 ~ 1.0669 in)
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EX
27.9 ~ 28.1 mm
(1.0984 ~ 1.1063 in)
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“B” face width
IN
2.26 mm (0.089 in)
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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)
1.5 mm
(0.0591 in)
EX
0.9 ~ 1.1 mm (0.0354 ~ 0.0433 in)
1.5 mm
(0.0591 in)
“D” margin thickness
IN
1 mm (0.0394 in)
0.85 mm
(0.033 in)
EX
1 mm (0.0394 in)
0.85 mm
(0.033 in)
Stem outside diameter
IN
4.475 ~ 4.490 mm
(0.1762 ~ 0.1768 in)
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EX
4.960 ~ 4.975 mm
(0.1953 ~ 0.1959 in)
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Guide inside diameter
IN
4.500 ~ 4.512 mm
(0.1772 ~ 0.1776 in)
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EX
5.000 ~ 5.012 mm
(0.1969 ~ 0.1973 in)
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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
