General Description - Subaru Legacy 2002 Service Manual

Head edge thickness
Stem diameter
Valve
Stem oil clearance
Overall length
Free length
Squareness
Valve spring
Tension/spring height
Surface warpage limit (mating with cylinder head)
Surface grinding limit
Cylinder bore
Cylinder
Taper
block
Out-of-roundness
Piston clearance
Enlarging (boring) limit
Outer diameter
Piston
Standard inner diameter of piston pin hole
Outer diameter
Standard clearance between piston pin and hole in pis-
Piston pin ton
Degree of fit
Piston ring gap
Piston ring
Clearance
between piston
ring and piston
ring groove
Bend twist per 100 mm (3.94
in) in length
Connecting
rod
Side clearance

GENERAL DESCRIPTION

STD
Intake
Limit
STD
Exhaust
Limit
Intake
Exhaust
Intake
STD
Exhaust
Limit —
Intake
Exhaust
Set
Lift
A
STD
B
Limit
Limit
STD
Limit
A
STD
B
0.25 mm (0.0098 in)
OS
0.50 mm (0.0197 in)
OS
STD
Top ring
Limit
STD
Second
ring
Limit
STD
Oil ring
Limit
STD
Top ring
Limit
STD
Second
ring
Limit
Limit
STD
Limit
ME(H6)-3
1.0 mm (0.039 in)
0.8 mm (0.315 in)
1.2 mm (0.047 in)
0.8 mm (0.315 in)
5.455 — 5.470 mm (0.2148 — 0.2154 in)
5.455 — 5.460 mm (0.2148 — 0.2150 in)
0.030 — 0.057 mm (0.0012 — 0.0022 in)
0.040 — 0.067 mm (0.0016 — 0.0026 in)
0.15 mm (0.0059 in)
103.5 mm (4.07 in)
103.2 mm (4.06 in)
46.79 mm (1.8421 in)
2.5°, 2.0 mm (0.079 in)
186.2 — 205.8 N (18.99 — 20.99 kgf, 41.9 — 46.3
lb)/37.4 mm (1.472 in)
446.5 — 493.5 N (45.54 — 50.34 kgf, 100.3 — 110.9
lb)/27.5 mm (1.083 in)
0.05 mm (0.0020 in)
0.1 mm (0.004 in)
89.205 — 89.215 mm (3.5120 — 3.5124 in)
89.195 — 89.205 mm (3.5116 — 3.5120 in)
0.050 mm (0.0020 in)
0.050 mm (0.0020 in)
0.010 — 0.030 mm (0.0004 — 0.0012 in)
0.050 mm (0.0020 in)
0.5 mm (0.020 in)
89.185 — 89.195 mm (3.5112 — 3.5116 in)
89.175 — 89.185 mm (3.5108 — 3.5112 in)
89.425 — 89.435 mm (3.5207 — 3.5211 in)
89.675 — 89.685 mm (3.5305 — 3.5309 in)
22.000 — 22.006 mm (0.8661 — 0.8664 in)
21.994 — 22.000 mm (0.8659 — 0.8661 in)
0.004 — 0.008 mm (0.0002 — 0.0003 in)
Piston pin must be fitted into position with thumb at
20°C (68°F).
0.20 — 0.35 mm (0.0079 — 0.0138 in)
1.0 mm (0.039 in)
0.35 — 0.50 mm (0.0138 — 0.0197 in)
1.0 mm (0.039 in)
0.20 — 0.60 mm (0.0079 — 0.0236 in)
1.5 mm (0.059 in)
0.040 — 0.080 mm (0.0016 — 0.0031 in)
0.15 mm (0.0059 in)
0.030 — 0.070 mm (0.0012 — 0.0028 in)
0.15 mm (0.0059 in)
0.10 mm (0.0039 in)
0.070 — 0.330 mm (0.0028 — 0.0130 in)
0.4 mm (0.016 in)
Mechanical