User Manual - Page 468

For 2005 IMPREZA.

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12-3
Specifications
CONTINUED
Engine
Electrical system
AT: Automatic transmission
MT: Manual transmission
Engine model EJ253
(2.5-liter, SOHC, non-turbo)
EJ205 (2.0-liter, DOHC, turbo) EJ257 (2.5-liter, DOHC, turbo)
Engine type Horizontally opposed, liquid cooled 4 cylinder, 4-stroke gasoline engine
Displacement cc (cu-in) 2,457 (150) 1,994 (122) 2,457 (150)
Bore × Stroke in (mm) 3.9 × 3.1 (99.5 × 79.0) 3.6 × 2.9 (92.0 × 75.0) 3.9 × 3.1 (99.5 × 79.0)
Compression ratio 10.0 : 1 8.0 : 1 8.2 : 1
Firing order 1 – 3 – 2 – 4
Battery type and
capacity (5HR)
MT 12V-48AH (55D23L)
AT With 2.5-liter non-turbo engine 12V-52AH (75D23L)
With 2.0-liter turbo engine 12V-52AH (65D23L)
Alternator 2.5-liter non-turbo and
2.0-liter turbo engine
12V-75A
2.5-liter turbo engine 12V-90A
Spark plugs 2.5-liter non-turbo engine FR5AP-11
2.0-liter turbo engine PFR6G (NGK)
2.5-liter turbo engine IFLR6B (NGK)
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