& Engine
Engine model
EJ253
(2.5 L, SOHC, non-turbo)
EJ255
(2.5 L, DOHC, turbo, except WRX STI)
EJ257
(2.5 L, DOHC, turbo, WRX STI)
Engine type Horizontally opposed, liquid cooled 4 cylinder, 4-stroke gasoline engine
Displacement cc (cu-in) 2,457 (150)
Bore 6 Stroke in (mm) 3.9 6 3.1 (99.5 6 79.0)
Compression ratio 10.0 : 1 8.4 : 1 8.2 : 1
Firing order
1 – 3 – 2 – 4
& Electrical system
Battery type and capacity (5HR)
MT 12V-48AH (55D23L)
AT 12V-52AH (65D23L)
Alternator
Non-turbo models 12V-90A
Turbo models 12V-110A
Spark plugs
Non-turbo models FR5AP-11 (NGK)
Turbo models
SILFR6A (NGK)
AT: Automatic transmission
MT: Manual transmission
Specifications
12-3
– CONTINUED –
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