Hindura umufuka wikinyabiziga cyawe (amasoko yumuyaga) mumashanyarazi akomeye (2000Mpa) yamashanyarazi akozwe mubikoresho (SAE9254) hamwe na moteri ikurura, umubiri uziyongera kuri cm 2-3.Bizagabanya cyane ibyago byo kunanirwa mu kirere (biganisha ku burebure bwimodoka).
Ibikoresho bya coil bihinduranya ibikoresho byabugenewe kugirango ukore na moderi yawe, na bolt iburyo ujya aho uhurira nu mwuka wawe wahoze ukoresha.Iki gikoresho kizatanga uburyo buhamye kandi bworoshye.
Igikoresho cyose cyo guhindura kirimo ibice byingenzi bisabwa kugirango bisimbuze ikirere.