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The PSA X engine is a family of internal combustion engines used in Citroën, Peugeot, Talbot and Renault automobiles. The X family was mainly used in superminis and the entry level models of midsize vehicles. It is commonly called the "Douvrin" or the "Suitcase" engine. It is designed and manufactured by the company "Française de Mécanique" for PSA and Renault. The X design was introduced in 1972 with the Peugeot 104. It was an all-aluminium alloy SOHC inline-four design with two valves per cylinder driven by a chain, using petrol as fuel. It was applied transversely in front wheel drive vehicles only, tilted by 72°. Displacement ranged between 954 and 1,360 cc. The gearbox (four- or five-speeds according to the model) is integral and sits below the engine driven by transfer gears, using engine oil for lubrication. The transfer gears give the power unit a distinctive "whine" - a trait shared with the BMC A-Series engine, which uses a similar construction. The nickname "suitcase engine" stems from the way in which the powertrain is mounted in the vehicle almost lying flat on its side, and splits in half for disassembly - thus resembling a suitcase. The X was used until 1990 in PSA vehicles - Renault discontinued the unit in 1982 when it reverted to its own C-type and F-type powerplants when the R14 was replaced by the R9 & R11. It was replaced by the more modern belt driven camshaft TU which was introduced in 1986 in the Citroën AX. The TU engine was fitted with the now conventional end on gearbox with separate lubrication. The TU engine is an evolution of the X engine. ==XV== The XV had a displacement of 954 cc, with a bore of and a stroke of . It used a single barrel carburettor, good for 45 PS (33 kW). The XV was applied to the Citroën LN, Citroën Visa, Peugeot 104, Peugeot 205 and Talbot Samba. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「PSA-Renault X-Type engine」の詳細全文を読む スポンサード リンク
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