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ME(H4DOTC)-2
MECHANICAL
General Description
1. General Description
A: SPECIFICATIONS
1. DOHC TURBO MODEL (EXCEPT FOR STi AND AUSTRALIA MODEL)
NOTE:
STD: Standard I.D.: Inner Diameter O.D.: Outer Diameter OS: Oversize US: Undersize
Engine
Type
Horizontally opposed, liquid cooled, 4-cylinder,
4-stroke gasoline engine
Valve arrangement Belt driven, double overhead camshaft, 4-valve/cylinder
Bore × Stroke mm (in) 92 × 75 (3.62 × 2.95)
Piston displacement
cm
3
(cu in)
1,994 (121.67)
Compression ratio 8.0
Compression pres-
sure (at 200 — 300
rpm)
kPa (kgf/cm
2
, psi)
981 — 1,177 (10 — 12, 142 — 171)
Number of piston rings Pressure ring: 2, Oil ring: 1
Intake valve timing
Opening BTDC 10°
Closing ABDC 50°
Exhaust valve timing
Opening BBDC 53°
Closing ATDC 7°
Valve clearance
Intake mm (in) 0.20±0.02 (0.0079±0.0008)
Exhaust mm (in) 0.35±0.02 (0.0138±0.0008)
Idling speed
[At neutral position on MT or “P” or
“N” range on AT]
rpm
700±100 (No load)
800±150 (A/C switch ON)
Firing order 1 → 3 → 2 → 4
Ignition timing BTDC/rpm 12°±10°/700
Belt
tension
adjuster
Protrusion of adjuster rod 5.2 — 6.2 mm (0.205 — 0.244 in)
Belt
tensioner
Spacer O.D. 17.955 — 17.975 mm (0.7069 — 0.7077 in)
Tensioner bush I.D. 18.0 — 18.08 mm (0.7087 — 0.7118 in)
Clearance between spacer and bush
STD 0.025 — 0.125 mm (0.0010 — 0.0049 in)
Limit 0.175 mm (0.0069 in)
Side clearance of spacer
STD 0.2 — 0.55 mm (0.0079 — 0.0217 in)
Limit 0.81 mm (0.0319 in)
Camshaft
Bend limit 0.020 mm (0.0079 in)
Thrust clearance
STD 0.040 — 0.080 mm (0.0016 — 0.0031 in)
Limit 0.10 mm (0.0039 in)
Cam lobe height
Intake
STD 46.25 — 46.35 mm (1.821 — 1.825 in)
Limit 46.15 mm (1.817 in)
Exhaust
STD 46.15 — 46.25 mm (1.817 — 1.821 in)
Limit 46.05 mm (1.813 in)
Journal O.D. STD
Front 37.946 — 37.963 mm (1.4939 — 1.4946 in)
Center
rear
29.946 — 29.963 mm (1.1790 — 1.1796 in)
Oil clearance
STD 0.037 — 0.072 mm (0.0015 — 0.0028 in)
Limit 0.10 mm (0.0039 in)
Cylinder
head
Surface warpage limit 0.05 mm (0.0020 in)
Surface grinding limit 0.3 mm (0.012 in)
Standard height 127.5 mm (5.02 in)