The H25A displaces 2.5 L (2,495 cc); bore is 84.0 mm (3.3 in) and stroke is 75.0 mm (3 in) and produced 118 kW (160 PS) when first introduced.[2] With a 9.5:1 compression ratio, it produced 106 kW (144 PS) at 6,500 rpm and 203 N·m (150 lb·ft) at 3,500 rpm on its introduction, with a 2001 update increasing this to 116 kW (158 PS) and 213 N·m (157 lb·ft).[3] It is also being considered and used for various ultra-light aircraft propulsion systems.[WIKI]
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