Mavuto oyambira
Ngati, mutatha kutembenuza fungulo mu kuyatsa, mukumva phokoso la choyambitsa ntchito, osati limodzi ndi kasinthasintha wa crankshaft ya injini, ndiye kuti nthawi zambiri zowonongeka zowonongeka ndizo zimayambitsa vutoli.
Mapangidwe a choyambira amafuna kuti rotor isayendetsedwe ndi injini injini itayamba ndipo choyambitsacho chachotsedwa. 
Zikanakhala choncho, ndiye kuti mphete ya mphete pa flywheel ya injini yomwe ikuthamanga kale ikanatha kugwira ntchito pazitsulo zoyambira ngati zida zowonjezera, mwachitsanzo, kuwonjezeka kwa liwiro. Izi zitha kuwononga choyambira chomwe sichiyenera kugwira ntchito mwachangu. Izi zimalepheretsedwa ndi clutch yowonjezereka, yomwe zidazo zimalumikizidwa ndi scline spline yodulidwa pamtengo wa rotor, zomwe zimalepheretsa kusamutsidwa kwa torque ya injini ku rotor yoyambira. Njira imodzi yolumikizirana ndi clutch imadziwika kuti bendix. Izi ndichifukwa choti Bendix ndiye anali woyamba kupanga chida chosavuta kugwiritsa ntchito cholumikizira zida zoyambira ndi zida zamphepo za flywheel pogwiritsa ntchito mphamvu za inertia za zigawo zozungulira.
M'kupita kwa nthawi, mapangidwewa asinthidwa, kuphatikizapo kuthandizidwa ndi kuyimitsa kumbuyo. Kulamulira kwa makinawa ndi ophweka kwambiri, omwe amatsatira mfundo ya ntchito yake. Bollard idapangidwa kuti ipereke mphamvu kunjira imodzi yokha. Piniyoni imangozungulira momasuka kumbali imodzi yokhudzana ndi tchire lomwe lili mkati. Kusintha kozungulira kuyenera kupangitsa kuti chitsamba chigwire. Vuto ndilakuti izi zitha kungoyang'aniridwa pambuyo pochotsa choyambira ndikuchotsa. Chitonthozo ndi chakuti freewheel mu pinion clutch limagwirira salephera nthawi yomweyo. Izi zimatenga nthawi.
Poyamba, pamene choyambira chikuthamanga koma osagwedezeka, nthawi zambiri zimakhala zokwanira kuyesanso kuti injini iyambe. M’kupita kwa nthaŵi, zoyesayesa zoterozo zimawonjezereka. Zotsatira zake, injini siyingayambike. Simuyenera kudikirira mphindi yoteroyo, ndipo pomwe choyambitsa sichiyambitsa injini mwanjira iyi, pitani kwa katswiri.
