Mīhini keri poka pou 52cc 62cc 65cc hou

He maha ngā take ka mutu ohorere ai te keri i te wā e mahi ana, ā, ko ētahi o ngā hapa e whai ake nei:
1. Te take wahie:
Te whakapaunga wahie: Ko te tino take pea ko te korenga o te wahie.
Te parahanga wahie: Mā te wai, ngā poke, te whakamahinga rānei o te wahie poke i roto i te wahie ka pā te noho pūmau.
He hapa o te pūnaha tuku wahie: Ka pāngia te tuku wahie noa e te aukati o te tātari wahie, te hapa o te papu wahie, te turuturu o te paipa wahie, te aukati rānei o te pūwero wahie.
Ngā raruraru o te pūnaha mura:
Te hē o te mono mura: Ka taea e te putunga waro, te mākū, te pakaru rānei o te mono mura te whakakā.
Ngā raruraru o te koiri mura, o te waea ngaohiko teitei rānei: Ka pā pea te rahunga o ēnei wāhanga ki te pūngao mura.
Ngā raruraru tuku hau:
Ārai i te tātari hau: Ki te paru rawa te tātari, ka aukati i te rere o te hau, ā, ka pā ki te tahunga wahie.
Te rahunga mīhini:
Te wera rawa o te mīhini: Mā te roa o te mahi kawenga nui, te pakaru rānei o te pūnaha whakamatao ka wera rawa te mīhini, ka tū pea.
Te kino ki ngā wāhanga o roto pērā i ngā piston, ngā valve, ngā crankshaft rānei: Ka taea e te pakaru, te pakaru rānei o ēnei wāhanga nui te whakaroa.
Ka mutu pea te mahi i ngā raruraru pūnaha tuku hiko pērā i te whati o te whitiki, te paheke o te mamau, me ētahi atu.
He hapa pūnaha hiko:
Te raruraru o te whakaweto i te pana o te miihini: Mēnā ka pāngia te pana e te hē, ka taea te whakaweto tonu i te mana o te miihini.
Ara iahiko poto, ara iahiko tuwhera rānei: Ka taea hoki e te kore pumau o te pūnaha hiko te whakaroa.
Te mahi hē:
Te kawenga nui rawa: Mā te whakamahi ā-ringa i roto i te oneone tino mārō, e nui ake ana i te kaha o te keri, ka tūpono pea te whakaroa.
Hapa whakahaere: pērā i te whakahaere hē o te whakateretere, te pana whakaweto rānei o te miihini.
Ko te whakaoti rapanga pēnei me whai rangahau ā-wā, mai i ngā tirotiro wahie māmā ki ngā tirotiro wāhanga mīhini uaua, i ētahi wā me whai tohunga hangarau ngaio ki te tautuhi me te whakatika. Mena he maha ngā wā ka tū te keri, me mutu te mahi i te wā tika, ka tirotirohia kia kore ai e nui ake te kino.