SPEC
2 - 5
Cam chain:
Cam chain type/No. of links
98XRH2010-118M/118
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Cam 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
0.20 ~ 0.25 mm
(0.0079 ~ 0.0098 in)
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Valve dimensions:
“A” head diameter
IN
26.9 ~ 27.1 mm
(1.0591 ~ 1.0669 in)
----
EX
27.9 ~ 28.1 mm
(1.0984 ~ 1.1063 in)
----
“B” face width
IN
2.26 mm (0.089 in)
----
EX
2.26 mm (0.089 in)
----
“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
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)
4.445 mm
(0.1750 in)
EX
4.965 ~ 4.980 mm
(0.1955 ~ 0.1961 in)
4.935 mm
(0.1943 in)
Guide inside diameter
IN
4.500 ~ 4.512 mm
(0.1772 ~ 0.1776 in)
4.550 mm
(0.1791 in)
EX
5.000 ~ 5.012 mm
(0.1969 ~ 0.1973 in)
5.050 mm
(0.1988 in)
Stem-to-guide clearance
IN
0.010 ~ 0.037 mm
(0.0004 ~ 0.0015 in)
0.08 mm
(0.003 in)
EX
0.020 ~ 0.047 mm
(0.0008 ~ 0.0019 in)
0.10 mm
(0.004 in)
Stem runout limit
----
0.01 mm
(0.0004 in)
Item
Standard
Limit
B
C
D
A
Head Diameter
Face Width
Seat Width
Margin Thickness
MAINTENANCE SPECIFICATIONS
