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Honda G engine
Honda G engine
Overview
Manufacturer	Honda Motor Manufacturing
Production	1989–1998
Layout
Configuration	Naturally aspirated inline-5
Displacement	2.0–2.5 L; 121.8–149.6 cu in (1,996–2,451 cc)
Cylinder bore	82 mm (3.23 in); 85 mm (3.35 in)
Piston stroke	75.6 mm (2.98 in); 86.4 mm (3.40 in)
Cylinder block material	Aluminum
Cylinder head material	Aluminum
Valvetrain	SOHC 4 valves x cyl.
Compression ratio	9.0:1-10.0:1
RPM range
Max. engine speed	6800
Combustion
Fuel system	Fuel injection
Fuel type	Gasoline
Cooling system	Water-cooled
Output
Power output	114–140 kW (155–190 PS; 153–188 hp)
Torque output	19–24.2 kg⋅m (186–237 N⋅m; 137–175 lb⋅ft)

The Honda G-series engine is a family of slanted inline-five cylinder gasoline engines. The engine family features a single overhead cam layout with 4 valves per cylinder. The engine's displacement varied from 2.0 L; 121.8 cu in (1,996 cc) to 2.5 L; 149.6 cu in (2,451 cc). The G-Series was originally used in the 1989 Honda Vigor, Honda Rafaga, Honda Ascot and Honda Inspire before being carried over to the Vigor's successor; the Acura TL, which used the G-Series family of engines from 1995 to 1998 in North America, and continued use in the JDM Honda Saber until 1998 as well.

G20A

Displacement: 2.0 L; 121.8 cu in (1,996 cc)
Bore x Stroke: 82 mm × 75.6 mm (3.23 in × 2.98 in)
Compression ratio: 9.7:1
Max Power: 114–118 kW (155–160 PS; 153–158 hp) @ 6700 rpm
Max Torque: 19 kg⋅m (186 N⋅m; 137 lb⋅ft) @ 4000 rpm
Redline: 6800 rpm
Fuel Cutoff: 7100 rpm

Found in the 1989-1991 JDM Inspire/Vigor (CB5), 1992-1994 JDM Inspire/Vigor 20 (CC3), 1993-1997 JDM Ascot/Rafaga 2.0 (CE4), and 1995-1997 JDM Inspire/Saber 20 (UA1).