be fitted in the front-wheel drive Cinquecento, it underwent a major refurbishment (although the engine still employed a carburettor), which resulted, among other changes, in the crankshaft revolving in the opposite direction than in the 126p BIS. 903/899 cc The bigger engine was the 903 cc version of the veteran Fiat 100 OHV four cylinder engine, which saw service in many small Fiat models, starting with Fiat 850. (This engine dates back to the initial 633 cc unit as introduced in the 1955 FIAT 600.) It was fitted with single point fuel injection and was the base engine in most markets. Due to fiscal limitations, the displacement of this unit was limited to 899 cc in 1993, with a slight reduction of output, now producing . This engine is derived from that used in the Fiat 127. While it still retains OHV chain drive pushrod layout it now has hydraulic tappets. Also now uses twin coil distributorless ignition. 1.1 FIRE (Sporting) In 1994, Fiat introduced the Cinquecento Sporting, featuring the 1108 cc SOHC FIRE engine from the entry level Punto of the same era, mated to a close ratio gearbox. Other additions were a drop in standard ride height, front anti roll bar, 13" alloy wheels, plus colour coded bumpers and mirrors. The interior saw a tachometer added, along with sports seats, red seatbelts and a leather steering wheel and gear knob. It is the Sporting model which gave birth to a rallying trophy and a Group A Kit-Car version. Elettra From 1992 to 1996, Fiat also produced and sold an electric variant of the Cinquecento called the Elettra. The car was offered with either a lead acid or NiCd battery pack, providing a ranges of and respectively. Unlike purpose built electric cars, the Cinquecento Elettra used two battery packs, one in the engine bay and one under the rear seats, replacing the fuel tank. Although selling for 140,000 francs (~US$23,000), the Cinquecento Elettra enjoyed relative popularity in Italy, France and Switzerland. Abarth Fiat offered optional extras from the factory labelled with the Abarth name. The Abarth extras for the Cinquecento consisted of cosmetic changes only. A front apron with fitted fog lights, a rear apron, side skirts and a rear spoiler with a fitted 3rd brake light. There were also a set of 13" Speedline five spoke alloys wheels available, instead of the standard Sporting alloys. Unlike true Abarth