Valve stem diameter (Standard)
IN: 5.470-5.485 mm {0.2154-0.2159 in}
EX: 5.465-5.480 mm {0.2152-0.2157 in}
Valve stem diameter (Minimum)
IN: 5.440 mm {0.2142 in}
EX: 5.435 mm {0.2140 in}
Valve guide inner diameter (Standard)
5.509-5.539 mm {0.2169-0.2180 in}
Valve stem to guide clearance (Standard)
IN: 0.024-0.069 mm {0.0009-0.0027 in}
EX: 0.029-0.074 mm {0.0012-0.0029 in}
Valve stem to guide clearance (Maximum)
0.10 mm {0.004 in}
Valve guide protrusion height (standard)
12.2-12.8 mm {0.481-0.503 in}
Valve seat contact width (Standard)
1.2-1.6 mm {0.048-0.062 in}
Valve protrusion height (Standard)
IN: 40.64-42.24 mm {1.600-1.662 in}
EX: 40.50-42.10 mm {1.595-1.657 in}
Valve spring pressing force
390 N {39.76 kgf, 87.67 lbf}
Valve spring standard height H
28.68 mm {1.129 in}
Valve spring out-of-square (Maximum)
1.95 mm {0.0767 in}
Maximum runout (Maximum)
0.03 mm {0.0012 in}
Camshaft standard height (mm {in})
With variable valve timing mechanism
IN: 42.44 {1.671}
EX: 41.18 {1.621}
Without variable valve timing mechanism
IN: 42.12 {1.659}
EX: 41.08 {1.618}
Camshaft minimum height (mm {in})
With variable valve timing mechanism
IN: 42.33 {1.666}
EX: 41.06 {1.616}
Without variable valve timing mechanism
IN: 42.01 {1.653}
EX: 40.96 {1.612}
Camshaft journal diameter (Standard)
24.96-24.98 mm {0.9827-0.9834 in}
Camshaft journal diameter (Minimum)
24.95 mm {0.982 in}
Camshaft journal oil clearance (Standard)
0.035-0.080 mm {0.0014-0.0031 in}
Camshaft journal oil clearance (Maximum)
0.09 mm {0.0035 in}
Camshaft end play (Standard)
0.09-0.24 mm {0.0035-0.0094 in}
Camshaft end play (Maximum)
0.25 mm {0.0098 in}
Tappet bore diameter (Standard)
31.000-31.030 mm {1.2205-1.2216 in}
Tappet diameter (Standard)
30.970-30.980 mm {1.2193-1.2196 in}
Tappet-to-Tappet bore oil clearance (Standard)
0.02-0.06 mm {0.0008-0.0023 in}
Tappet-to-Tappet bore oil clearance (Maximum)
0.15 mm {0.006 in}
Cylinder head gasket contact surfaces distortion
(Maximum)
0.10 mm {0.004 in}
Cylinder bore diameter (Standard)
87.500-87.530 mm {3.4449-3.4460 in}
Minimum / maximum bore diameter limit
87.440-87.590 mm {3.4425-3.4484 in}
Oil jet valve air pressure
216-274 kPa {2.2-2.7 kgf.cm
2
31.4-39.7 psi}
2007 Mazda MX-5 Miata Sport
2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:43:26 PM
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© 2005 Mitchell Repair Information Company, LLC.