7 6 . ▁ ▁History ▁During ▁development ▁frequent ▁changes , ▁sometimes ▁made ▁on ▁a ▁daily ▁basis , ▁ham per ed ▁production . ▁Mr . ▁H onda ▁was ▁ad am ant ▁the ▁engine ▁needed ▁to ▁be ▁air ▁rather ▁than ▁water ▁co o led , ▁arg uing ▁that ▁" since ▁water - co o led ▁engines ▁eventually ▁use ▁air ▁to ▁cool ▁the ▁water , ▁we ▁can ▁implement ▁air ▁cool ing ▁from ▁the ▁very ▁beginning ." ▁ ▁In ▁May ▁ 1 9 6 9 ▁final ▁specific ations ▁and ▁prices ▁for ▁the ▁Japanese ▁market ▁were ▁announced . ▁There ▁were ▁originally ▁two ▁engine ▁versions , ▁being ▁the ▁" Series ▁ 7 7 " ▁with ▁a ▁single ▁car b ure tor ▁ ▁engine ▁and ▁the ▁" Series ▁ 9 9 " ▁with ▁a ▁four ▁car b ure t ors ▁ ▁unit : ▁the ▁less ▁powerful ▁car ▁was ▁listed ▁with ▁four ▁levels ▁of ▁trim ▁offered , ▁of ▁which ▁the ▁top ▁three ▁were ▁also ▁available ▁with ▁the ▁four ▁car b ure tor ▁engine . ▁The ▁manufact urer ' s ▁ex - works ▁prices ▁r anged ▁from ▁ ¥ 4 8 8 , 0 0 0 ▁for ▁the ▁entry ▁level ▁" Series ▁ 7 7 " ▁standard ▁sal oon ▁to ▁ ¥ 7 1 0 , 0 0 0 ▁for ▁the ▁" Series ▁ 9 9 " ▁Custom ▁sal oon . ▁▁ ▁Autom atic ▁transmission ▁and ▁air - condition ing ▁were ▁optional . ▁Six ▁of ▁the ▁seven ▁versions ▁offered ▁were ▁pr iced ▁comfort ably ▁above ▁the ▁less ▁powerful ▁Toy ota ▁Cor ol