Subaru 2004 Forester X - Manual (Page 418)

12-3
Specifications
– CONTINUED –
Engine
Electrical system
Engine model EJ251 (2.5-liter, SOHC, non-turbo) EJ255 (2.5-liter, DOHC, turbo)
Engine type Horizontally opposed, liquid cooled 4 cylinder, 4-stroke gasoline engine
Displacement cu in. (cc) 150 (2,457)
Bore × Stroke in. (mm) 3.92 x 3.11 (99.5 x 79.0)
Compression ratio 10.0 : 1 8.2 : 1
Firing order 1 – 3 – 2 – 4
Battery type and capacity
(5HR) Manual transmission 12V-48AH (55D23L)
Automatic transmission 12V-52AH (75D23L)
Alternator 12V – 90A
Spark plugs 2.5-liter non-turbo engine RC10YC4 (Champion)
BKR6E-11 (NGK)
BKR5E-11 (NGK)
2.5-liter turbo engine ILFR6B (NGK)