ME(H4SO)-3
MECHANICAL
General Description
Camshaft
Bend limit
0.025 mm (0.0010 in)
Thrust clearance
STD
0.030 — 0.090 mm (0.0012 — 0.0035 in)
Limit
0.10 mm (0.0039 in)
Cam lobe height
1.6 L
Intake
STD
39.378 — 39.478 mm (1.5503 — 1.5542 in)
Limit
39.278 mm (1.5464 in)
Exhaust
STD
39.565 — 39.665 mm (1.5577 — 1.5616 in)
Limit
39.465 mm (1.5537 in)
2.0 L
Intake
STD
38.732 — 38.832 mm (1.5249 — 1.5288 in)
Limit
38.632 mm (1.5209 in)
Exhaust
STD
39.257 — 39.357 mm (1.5455 — 1.5495 in)
Limit
39.157 mm (1.5416 in)
2.5 L
Intake
STD
39.485 — 39.585 mm (1.5545 — 1.5585 in)
Limit
39.385 mm (1.5506 in)
Exhaust
STD
39.257 — 39.357 mm (1.5455 — 1.5495 in)
Limit
39.157 mm (1.5416 in)
Camshaft journal O.D.
31.928 — 31.945 mm (1.2570 — 1.2577 in)
Camshaft journal hole I.D.
32.000 — 32.018 mm (1.2598 — 1.2605 in)
Oil clearance
STD
0.055 — 0.090 mm (0.0022 — 0.0035 in)
Limit
0.10 mm (0.0039 in)
Cylinder
head
Surface warpage limit
0.05 mm (0.0020 in)
Surface grinding limit
0.1 mm (0.004 in)
Standard height
97.5 mm (3.84 in)
Valve seat
Refacing angle
90
°
Contacting width
Intake
STD
1.0 mm (0.039 in)
Limit
1.7 mm (0.067 in)
Exhaust
STD
1.5 mm (0.059 in)
Limit
2.2 mm (0.087 in)
Valve guide
Inner diameter
6.000 — 6.012 mm (0.2362 — 0.2367 in)
Protrusion above head
Intake
20.0 — 20.5 mm (0.787 — 0.807 in)
Exhaust
16.5 — 17.0 mm (0.650 — 0.669 in)
Valve
Head edge thickness
Intake
STD
1.0 mm (0.039 in)
Limit
0.6 mm (0.024 in)
Exhaust
STD
1.2 mm (0.047 in)
Limit
0.6 mm (0.024 in)
Stem diameter
Intake
5.950 — 5.965 mm (0.2343 — 0.2348 in)
Exhaust
5.945 — 5.960 mm (0.2341 — 0.2346 in)
Stem oil clearance
STD
Intake
0.035 — 0.062 mm (0.0014 — 0.0024 in)
Exhaust
0.040 — 0.067 mm (0.0016 — 0.0026 in)
Limit
—
0.15 mm (0.0059 in)
Overall length
Intake
120.6 mm (4.75 in)
Exhaust
121.7 mm (4.79 in)
Valve
spring
Free length
54.30 mm (2.1378 in)
Squareness
2.5
°
, 2.4 mm (0.094 in)
Tension/spring height
Set
214 — 246 N (22 — 25 kgf, 48 — 55 lb)/
45.0 mm (1.772 in)
Lift
526 — 582 N (54 — 59 kgf, 119 — 130 lb)/
34.7 mm (1.366 in)
