ngā pūhanga āhua 2 me ngā pūhanga āhua 4
Ko ngā mōhini āhua 2 me ngā mōhini āhua 4 ngā āhua mōhini e rua e whakamāhi ana i te pūngao o te kaiwhakamātautau hei pūngao mātua. Ko te rōpū mōhini āhua 2 me ngā mōhini āhua 4 he rōpū iti o ngā mōhini e whakamāhi ana i ngā taputapu, ngā waka, ngā kaipuke, ngā pampi, me ngā kaitāwhai pūngao. Ko te āhua mōhini āhua 2 e whakamāhi ana i tana pūngao i ngā hāere ā-pīhanga e rua, i te wā i whakamāhi ai te āhua mōhini āhua 4 i tēnei anō i ngā hāere ā-pīhanga e whā. I roto i tēnei mōhini āhua 2 me ngā mōhini āhua 4, ko te pīhanga e hāere ana i roto i tēnei rorohiko, ko te crankshaft te whakamāhi i tēnei hāere hei hāere ā-rotor, ā, ko te pūnaha kaiwhakamātautau te whakamāhi i te whakawhitinga o te hau me te kaiwhakamātautau. Kāore he rerekē te mōhini āhua 2 me ngā mōhini āhua 4 i tēnei, ā, he rerekē ngā āhua o te carburetor me ngā pūnaha whakauru kaiwhakamātautau ā-hāngā, ā, he rerekē ngā āhua o tana rahi, o tana tau, me ōna whāinga. Mō ngā kaihoko, ko te whirinaki ki te mōhini āhua 2 me ngā mōhini āhua 4 e whakamāhi ana i te whakarere pūngao, i te whakamāhi kaiwhakamātautau, i te taumaha, i te riri, i ngā whakamātautau, me ngā hāinga o te whakamāhi. Ko te mōhini āhua 2 me ngā mōhini āhua 4 e rua ngā hāere, e whakamāhi ana i tēnei i tēnei pūngao kia nui ake te pūngao i tēnei taumaha, ā, he māmā ngā āhua. Kāore he rerekē ngā āhua mōhini āhua 2 me ngā mōhini āhua 4 o tēnei wā, ā, he rerekē ngā āhua o te whakauru ā-hāngā, o ngā whakamāramatanga pai ake, o ngā whakamārama pai ake, o ngā pūnaha katalitika, me ngā pūnaha whakamārama ā-wāhi. Ko te whirinaki ki te mōhini āhua 2 me ngā mōhini āhua 4 he rerekē ngā āhua o te taumaha iti, o te whakamāhere tata, o te ora roa, me te whakamāhi kaiwhakamātautau iti. Kāore he rerekē ngā āhua o te mōhini āhua 2 me ngā mōhini āhua 4, ā, he rerekē ngā āhua o ngā taputapu ā-ringaringa, o ngā mōtukōhine, o ngā whakamātautau moana, o ngā mākina ā-tāwhai, me ngā pūngao tāwhai. Ina whakamāhi ai te mōhini āhua 2 me ngā mōhini āhua 4 i ngā kaiwhakamātautau, i ngā hinu, me ngā mahi whakamāhi, ka whakamāhi ai i tēnei i tēnei pūngao. I tēnei wā, ko te mōhini āhua 2 me ngā mōhini āhua 4 he whakamātautau pūngao mātua, ā, he rerekē ngā āhua o ngā āhua mōhini i ngā āhua o ngā āhuatanga whakamāhi me ngā tāpoi o ngā kiritaki.