▁susp ension ▁with ▁upper ▁and ▁lower ▁later al ▁control ▁links ▁( with ▁the ▁spring / dam per ▁str ut ▁carried ▁on ▁the ▁lower ▁link ) ▁near ▁the ▁ax le ▁line ▁and ▁a ▁short ▁later al ▁link ▁for ▁toe ▁control ▁ ▁ahead ▁of ▁the ▁pivot ▁of ▁the ▁main ▁trailing ▁arm . ▁ ▁Japan ▁ ▁The ▁base ▁model ▁of ▁the ▁fourth ▁generation ▁C iv ic ▁had ▁a ▁ 1 . 2   L ▁SO HC , ▁this ▁single ▁car b ure ted ▁engine ▁was ▁not ▁available ▁for ▁the ▁Japanese ▁and ▁American ▁mark ets . ▁In ▁Japan ▁the ▁base ▁version ▁received ▁a ▁ 1 . 3   L ▁SO HC ▁single ▁car b ure ted ▁engine ▁with ▁, ▁thus ▁equ ipped ▁it ▁was ▁called ▁either ▁ 2 3 L ▁or ▁ 2 3 U . ▁This ▁engine , ▁in ▁the ▁same ▁state ▁of ▁t une , ▁was ▁also ▁available ▁in ▁the ▁commercial ▁version ▁of ▁the ▁Sh utt le , ▁sold ▁simply ▁as ▁the ▁" H onda ▁Pro " ▁initially . ▁ ▁The ▁ 1 . 5   L ▁SO HC ▁engine ▁came ▁in ▁a ▁wide ▁variety ▁of ▁models , ▁dual - point ▁injection , ▁single ▁car b ure ted ▁and ▁dual ▁car b ure ted . ▁Those ▁engines ▁were ▁available ▁in ▁the ▁Japanese - market ▁ 2 5 X ▁and ▁ 2 5 XT . ▁The ▁Japanese ▁version ▁of ▁the ▁sport ing ▁Si , ▁initially ▁the ▁top ▁version , ▁featured ▁a ▁( Z C ) ▁D 1 6 A 8 / A 9 ▁ 1 .