The Honda G-series engine is a family of slanted
inline-five cylinder gasoline engine
A petrol engine (gasoline engine in American English) is an internal combustion engine designed to run on petrol (gasoline). Petrol engines can often be adapted to also run on fuels such as liquefied petroleum gas and ethanol blends (such as ''E ...
s. The engine family features a
single overhead cam
An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion c ...
with 4 valves per cylinder. They were originally used in the 1989
Honda Vigor
The is a premium sedan that was derived from the Honda Accord. It was sold in Japan through the '' Honda Verno'' dealer network from 1981 until 1995, and sold in North America from June 1991 (model year 1992) until 1994 as the Acura Vigor. Early ...
,
Honda Rafaga
The Honda Rafaga is a compact 4-door sedan sold exclusively in Japan by Honda, introduced in January 1993, and used the same 5-cylinder engine that was used in the Honda Inspire and the Honda Vigor and shared a platform with the second generation ...
,
Honda Ascot
The is a compact sedan manufactured by Honda and marketed only in Japan from 1989 until 1997. The first generation produced two versions based on the Honda Accord CB series called the Ascot and from 1993 to 1996 a "pillared hardtop" called t ...
and
Honda Inspire
The is a mid-size sedan introduced by Honda in 1990 derived from Honda Accord chassis. The first Inspire debuted in 1990 as the Accord Inspire, a sister nameplate to the Honda Vigor, but sold at different retail channels in Japan, known as '' ...
. They then carried over to the Vigor's successor; the
Acura TL, which ran from 1995-1998 in North America, and the
Honda Saber
The is a mid-size sedan introduced by Honda in 1990 derived from Honda Accord chassis. The first Inspire debuted in 1990 as the Accord Inspire, a sister nameplate to the Honda Vigor, but sold at different retail channels in Japan, known as ''H ...
in Japan.
G20A
* Displacement:
* Bore x Stroke:
* Compression ratio: 9.7:1
* Max Power: @ 6700 rpm
* Max Torque: @ 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).
G25A
* Displacement:
* Bore x Stroke:
* Compression ratio: 10.0:1
* Max Power: @ 6500 rpm
* Max Torque: @3800 rpm
* Redline: 6800 rpm
* Fuel Cutoff: 7100 rpm
Found in the 1992-1994 JDM Inspire/Vigor 25 (CC2), 1993-1997 Ascot/Rafaga 2.5S (CE5), and 1995-1997 JDM Inspire/Saber 25 (UA2).
G25A1
* Compression ratio: 9.0:1
Found in the 1992-1994
USDM &
CDM Acura Vigor (CC2).
G25A4
* Compression ratio: 9.6:1
Power:
Found in the 1995-1998 USDM & CDM Acura 2.5TL (UA2).
Gallery
File:HONDA G20AEngine FrontView.jpg, Front view
File:HONDA G20AEngine TopView.jpg, Top view
File:HONDA G20AEngine LeftView.jpg, Left view
File:HONDA G20AEngine RightView.jpg, Right view
References
Official Honda Inspire site¼ˆJapanese）
¼ˆJapanese）
{{Honda automotive engine timeline (1971-1999)
G
Slanted engines
Straight-five engines
Gasoline engines by model