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MAINTENANCE SPECIFICATIONS
"D" margin thickness (IN) 1.3 mm (0.0512 in) ----
"D" margin thickness (EX) 1.0 mm (0.0394 in) ----
Stem outside diameter (IN) 5.475–5.490 mm (0.2156–0.2161
in)
5.445 mm
(0.2144 in)
Stem outside diameter (EX) 5.465–5.480 mm (0.2152–0.2157
in)
5.435 mm
(0.2140 in)
Guide inside diameter (IN) 5.500–5.512 mm (0.2165–0.2170
in)
5.550 mm
(0.2185 in)
Guide inside diameter (EX) 5.500–5.512 mm (0.2165–0.2170
in)
5.550 mm
(0.2185 in)
Stem-to-guide clearance (IN) 0.010–0.037 mm (0.0004–0.0015
in)
0.08 mm
(0.003 in)
Stem-to-guide clearance (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)
Valve seat width (IN) 0.9–1.1 mm (0.0354–0.0433 in) 1.6 mm
(0.0630 in)
Valve seat width (EX) 0.9–1.1 mm (0.0354–0.0433 in) 1.6 mm
(0.0630 in)
Valve spring:
Free length (IN) 40.76 mm (1.60 in) 39.76 mm
(1.57 in)
Free length (EX) 37.01mm (1.46 in) 36.01 mm
(1.42 in)
Set length (valve closed) (IN) 34.78 mm (1.37 in) ----
Set length (valve closed) (EX) 30.83 mm (1.21 in) ----
Compressed force (installed) (IN) 178–204 N at 34.78 mm
(18.2–20.8 kg at 34.78 mm,
40.01–45.86 lb at 1.37 in)
----
Compressed force (installed) (EX) 124–142 N at 30.83 mm
(12.6–14.5 kg at 30.83 mm,
27.88–31.92 lb at 1.21 in)
----
Item Standard Limit