Subaru 2006 Legacy, Manual

Page: 3120 / 4302

ME(H6DO)-2
General Description
MECHANICAL
1. General Description
A: SPECIFICATION
NOTE:
OS: Oversize US:Undersize
Engine
Cylinder arrangement
Horizontally opposed, liquid cooled, 6-cylinder,
4-stroke gasoline engine
Valve system mechanism
Chain driven, double overhead camshaft, 4-valve/
cylinder
Bore × Stroke mm (in) 89.2 × 80 (3.512 × 3.150)
Displacement
cm
3
(cu in)
3,000 (183)
Compression ratio 10.7
Compression pressure (350 rpm
and fully open throttle):
kPa (kgf/cm
2
, psi)
1,275 — 1,471 (13.0 — 15.0, 185 — 213)
Number of piston rings Pressure ring: 2, Oil ring: 1
Intake valve timing
Min. advance
Open BTDC 47°
Close ABDC 23°
Max. retard
Open ATDC 3°
Close ABDC 73°
Exhaust valve timing
Open BBDC 60°
Close ATDC 6°
Valve clearance mm (in)
Intake
0.20
+0.04
-0.06
(0.0079
+0.0016
-0.0024
)
Exhaust 0.35
±
0.05 (0.0138
±
0.020)
Idle rpm [“P” or “N” range] rpm
No load 650
±
50
A/C ON 770
±
50
Ignition order 1
→
6
→
3
→
2
→
5
→
4
Ignition timing BTDC/rpm 15°
±
8°/650
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