Na-eji egwu egwu mmanụgbaputa mmiri25ccy14-190B bụ ihe mejupụtara cylinder, mmanụ nkesa mmanụ, planger, efere efere na akụkụ ndị ọzọ. Enwere otutu pounters na cylinder, nke a na-ahazi, ya bụ, etiti ahịrị nke plọg nke axis nke akwa mmiri, yabụ, a na-akpọ ya axial piston mgbapụta. Mana ọ dị iche na mmalite piston, n'ihi na ọ bụghị naanị na ọ ga-emegharị emegharị ya na cylinder ahụ, kamakwa plander na pylinder nwere ikike ịtụgharị na sara mbara. Planger na-akpọsa efere swash nwere njedebe nke sọlfọ. E nwere ọnwa dị elu na ala dị ala na-ehuru elu efere efere, nke na-ekewapụ onwe ha site na nkebi iji hụ na njigide. A na-ejikọ ha n'otu ntabi anya na mmanụ mmiri na mpụta nke mgbapụta ahụ. Enwere akụkụ dị n'etiti axis nke swash efere na axis nke ihe mgbochi cylinder. Mgbe ọgbaghara ahụ na-anyụ asịrị na-ebugharị, ihe mgbapụta na-ebugharị na planger, ma ọ bụ na-eme ka ọ dị na kọntaktị na-eme ihe mgbe niile. N'ihi na swash efere dị na akụkụ nke cylinder ngọngọ, mgbe cylinder gbochie na-agbagharị, a plọg na-ebugharị azụ na cylinder ahụ. Ọ bụrụhaala na draịvụ draịva na-ebugharị na-aga n'ihu, mgbapụta ahụ ga-arụ ọrụ mgbe niile. Gbanwe akụkụ nke ihe mkpuchi nke tictional nwere ike ịgbanwe ogologo nke a na-adọta na plọg ahụ na mmiri mgbapụta. A na-akpọ akụkụ tit ahụ nke ọma, yana otu akụkụ ọzọ nwere ike ị gbanwee ngbanwe na-adọrọ adọrọ.
A na-ejikarị piston mmanụ 25ccy1-190B na usoro nnyefe igwe na-ebusa nke igwe ihe, ọla, na-agbaghara na igwe na-enweghị ike. Iji meziwanye arụmọrụ,Mbinye giaMa ọ bụ na-ejikarị mgbapụta verane nke afọ a na-emepụta mmanụ na-etinye mmanụ, mejupụta maka ngwakọta ma na-enwe nrụgide ụfọdụ na sekit mmanụ.