Here is the G10 wiki.
(Keep in mind, its not G10b. There are two version 3 cyl (1.0 lit) and 4 cyl (1.3 lit). It seems that Paksuzuki has engineered the 4 cyl (1.3 lit) bore to bring it down to 1.0 lit) link
Now you can continue with the characteristics.
The G10 is an inline 3 cylinder engine utilizing aluminum alloy for the block, cylinder head and pistons. The G10 has 1.0 liter of displacement and is equipped with either a carburetor or electronic fuel injection and has an optional turbocharger. It has a single overhead camshaft driving six valves.
A 2.91 in (73.9 mm) bore and 3.03 in (77 mm) stroke give the engine a total of 1.0 L (993 cc/60 in³) of displacement. It produces 48 hp (36 kW) at 5100 rpm and 57 ft·lbf (77 N·m) at 3200 rpm with 9.5:1 compression in the carburated model, 55 hp (41 kW) at 5700 rpm and 58 ft·lbf at 3300 rpm in the fuel injected model.
From 1985 to 1986 the engine used a hemispherical head carbureted design. Later, as fuel injection was mandated, the cylinder head was redesigned to add the additional cooling required. This caused the fuel economy of the engine to suffer. A detuned 49 hp unit was used in the ultra-fuel-efficient Geo Metro XFi model, which delivered as much as 58 miles per gallon.
As the 3-cylinder engines aged however, they began to become less stable and subject to vibration as well as minor deficiencies in the fuel injection system that led to decreased fuel economy. A flaw exists in 3-cylinder engines equipped with an EGR valve - if the valve fails or the EGR passages become blocked, the center combustion chamber can get too hot, and over time, lose compression due to exhaust valve failure.
There's also in some parts of the world a turbocharged version of the G10: the G10bt. This engine delivers 73hp@4500rpm and 115lbs/ft@3500rpm. That engine was installed in Canadian Firefly/Metro/Sprint/Forsa.
* 1985–2000 Chevrolet Sprint / Geo Metro / Pontiac Firefly / Suzuki Swift
* [highlight]November 1984[/highlight]– Suzuki Cultus AA41S AB41S
* 1988– Suzuki Cultus AA44S AB44S