ME(H4SO)-2
MECHANICAL
General Description
1. General Description
A: SPECIFICATIONS
NOTE:
STD: Standard
I.D.: Inner Diameter
O.D.: Outer Diameter
US: Undersize
OS: Oversize
Engine
Model
1.6 L
2.0 L
2.5 L
Type
Horizontally opposed, liquid cooled, 4-cylinder, 4-stroke gasoline
engine
Valve arrangement
Belt driven, single over-head camshaft, 4-valve/cylinder
Bore
×
Stroke
mm (in)
87.9
×
65.8
(3.46
×
2.591)
92
×
75 (3.62
×
2.95)
99.5
×
79.0
(3.917
×
3.110)
Displacement
cm
3
(cu in)
1,597 (97.45)
1,994 (121.67)
2,457 (150)
Compression ratio
10.0
Compression pressure
(at 350 rpm)
kPa (kg/cm
2
, psi)
1,020 — 1,275 (10.4 — 13.0, 148 — 185)
Number of piston rings
Pressure ring: 2, Oil ring: 1
Intake valve timing
Opening
10
°
BTDC
4
°
BTDC
1
°
BTDC
Closing
46
°
ABDC
48
°
ABDC
51
°
ABDC
Exhaust valve timing
Opening
42
°
BBDC
48
°
BBDC
50
°
BBDC
Closing
10
°
ATDC
4
°
ATDC
6
°
ATDC
Valve clearance
Intake
mm (in)
0.20
±
0.04 (0.0079
±
0.0016)
Exhaust
mm (in)
0.25
±
0.04 (0.0098
±
0.0016)
Idling speed
[At neutral position on MT, or
“P” or “N” position on AT]
rpm
With OBD: 650
±
100 (No load)
850
±
100 (A/C ON)
Without OBD: 700
±
100 (No load)
850
±
100 (A/C ON)
650
±
100 (No load)
850
±
100 (A/C ON)
Firing order
1
→
3
→
2
→
4
Ignition timing
BTDC/rpm
With OBD:
5
°±
10
°
/650
Without OBD:
5
°±
10
°
/700
With OBD:
10
°±
10
°
/650
Without OBD:
10
°±
10
°
/700
MT: 10
°±
10
°
/650
AT: 15
°±
10
°
/650
Belt
tensioner
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.
18.00 — 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
0.20 — 0.55 mm (0.0079 — 0.0217 in)
Limit
0.81 mm (0.0319 in)
Valve
rocker arm
Clearance between shaft and arm
STD
0.020 — 0.054 mm (0.0008 — 0.0021 in)
Limit
0.10 mm (0.0039 in)
