Subaru 2002 IMPREZA Service Manual page 1044

MECHANICAL
1. General Description
A: SPECIFICATIONS
Type
Valve arrangement
Bore x Stroke
Piston 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]
Firing order
Ignition timing
GENERAL DESCRIPTION
mm (in)
3
cm
kPa (kgf/cm
Opening
Closing
Opening
Closing
Intake mm (in)
Exhaust mm (in)
BTDC/rpm
ME(TURBO)-2
Horizontally opposed, liquid cooled, 4-cylinder,
4-stroke gasoline engine
Belt driven, double overhead camshaft, 4-valve/cylinder
92 x 75 (3.62 x 2.95)
(cu in)
2
981 — 1,177 (10 — 12, 142 — 171)
, psi)
Pressure ring: 2, Oil ring: 1
0.20±0.02 (0.0079±0.0008)
0.25±0.02 (0.0098±0.0008)
MT
rpm
AT
1,994 (121.67)
8.0
10° BTDC
50° ABDC
53° BBDC
7° ATDC
750±100 (No load)
800±150 (A/C switch ON)
750±100 (No load)
825±150 (A/C switch ON)
1 → 3 → 2 → 4
12°±3°/750 rpm