1.Ibisohoka bisohora 53000Nm, byiyongereyeho 15% ugereranije na QT485 axe mu nganda; icyerekezo kimwe cyo kugabanya umurongo ufite ubushobozi bwo kohereza torsional ntarengwa mubushinwa, hamwe na B10 ubuzima bwayo burenga kilometero 800.000;
2.Gukoresha ibyuma byihariye byamazu no kunonosora imiterere ya drives yanyuma ifite ubushobozi bwo gupakira cyane kandi byizewe kugirango umenye uburemere bworoshye, nuburemere bwa axe bwagabanutseho 20kg;
3.Kwemeza imiterere itandukanye ya "Sandwich-ubwoko" kugirango itezimbere itandukaniro rishyigikira ubukana hamwe nubushobozi bwogukwirakwiza umuriro, no kongera uburyo bwo gutunganya neza ibitagangurirwa bitandukanye;
4.Gukoresha gahunda itandukanye ya disiki yanyuma kugirango utezimbere ubuzima bwuzuye kurenza 15%;
5.Kwemeza imiterere yamavuta yo gusiga amavuta hamwe ningoma ya feri yo hanze kugirango hamenyekane amavuta ahinduka hamwe nogusimbuza disiki ya friction idakuyeho ibiziga, byemeza neza kubungabunga no kugiciro gito cyo kubungabunga;
6.Feri yo hejuru ya feri, imikorere ya feri yizewe hamwe na feri ya disiki itabishaka.