General Description - Subaru Legacy 2003 Service Manual

MECHANICAL

1. General Description

A: SPECIFICATIONS
Model
Type
Valve arrangement
Bore x Stroke
Displacement
Compression ratio
Compression pres-
sure (at 200 — 300
rpm)
Number of piston rings
Engine
Intake valve timing
Exhaust valve timing
Valve clearance
Idling speed [At neutral position
on MT, or "P" or "N" position on
AT]
Firing order
Ignition timing
NOTE:
STD: Standard I.D.: Inner Diameter O.D.: Outer Diameter US: Undersize OS: Oversize
GENERAL DESCRIPTION
mm (in)
3
cm (cu in)
2
kPa (kg/cm , psi)
Opening
Closing
Opening
Closing
Intake mm (in)
Exhaust mm (in)
rpm
BTDC/rpm
ME(H4SO)-2
2000 cc
Horizontally opposed, liquid cooled, 4-cylinder, 4-stroke gaso-
line engine
Belt driven, single over-head camshaft, 4-valve/cylinder
92 x 75 (3.62 x 2.95)
1,994 (121.67)
1,079 — 1,275 (11.0 — 13.0, 156 — 185)
Pressure ring: 2, Oil ring: 1
4° BTDC
48° ABDC
48° BBDC
4° ATDC
0.20±0.02 (0.0079±0.0008)
0.25±0.02 (0.0098±0.0008)
650±100 (No load)
850±100 (A/C switch ON)
1 → 3 → 2 → 4
10°±10°/700
2500 cc
99.5 x 79.0 (3.917 x 3.110)
2,457 (150)
10.0
1° BTDC
51° ABDC
50° BBDC
6° ATDC
10°±10°/700 (MT)
15°±10°/700 (AT)