Subaru Outback Manuals 2011 Outback Owner's Manual | Page 415

Specifications

12-3

& Engine
Engine model
Engine type

EJ253
(2.5 L, SOHC, non-turbo)

EJ255
(2.5 L, DOHC, turbo)

Horizontally opposed, liquid cooled 4 cylinder,
4 stroke gasoline engine

EZ36D
(3.6 L, DOHC, non-turbo)
Horizontally opposed, liquid cooled 6 cylinder,
4 stroke gasoline engine

Displacement cu-in (cc)

149.94 (2,457)

221.52 (3,630)

Bore 6 Stroke in (mm)

3.92 6 3.11 (99.5 6 79.0)

3.62 6 3.58 (92.0 6 91.0)

Compression ratio

10.0 : 1

Firing order

8.4 : 1
1–3–2–4

10.5 : 1
1–6–3–2–5–4

& Electrical system
Battery type and capacity (5HR)
Alternator

75D23R (12V-52AH)
12V-110A

3.6 L models
Spark plugs

2.5 L models

12V-130A

2.5 L non-turbo models

SIFR6A11 (NGK)

2.5 L turbo models

SILFR6B8 (NGK)

3.6 L models

SILFR6C11 (NGK)

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