&Engine
Engine model EJ255
(2.5 L, DOHC, turbo, except STI) EJ257
(2.5 L, DOHC, turbo, STI)
Engine type Horizontally opposed, liquid cooled 4 cylinder, 4-stroke gasoline engine
Displacement cc (cu-in) 2,457 (150)
Bore 6Stroke in (mm) 3.963.1 (99.5 679.0)
Compression ratio 8.4 : 18.2 : 1
Firing order 1
– 3–2– 4
& Electrical system
Battery type and capacity (5HR) MT 12V-48AH (55D23L)
Alternator Turbo models
12V-110A
Spark plugs Turbo models
SILFR6A (NGK)
Specifications/Specifications12-3
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