Yamaha YZ125, YZ250F, YZ450F – 2017 г.
Pazuva rakanaka, rinopisa uye rinopisa zvikuru, takava nemukana wekuedza 2017 Yamaha mienzaniso muDorne. Iyo track yaive muchimiro chakanakisa, yakatsetseka, isina kana siraidhi kana chiteshi. Mvura yainayawo husiku ihwohwo yakaita kuti atota zvake. Ini ndaizoitsanangura senzira inokurumidza uye inoyevedza. Nheyo chinhu chiri pakati pejecha nenyika. Iyo track yakashongedzwa nekusvetuka kukuru kweski, muDorne unogona kubhururuka pamusoro pe30 metres. Makona akazaruka, izvo zvinoita kuti mutyairi arambe achimhanya zvakanyanya pavari.
Munguva kubva muna2008 kusvika muna2014, Yamaha yakave nemuedzo mukuru, nguva yedambudziko diki, asi mushure megore ra2014 kambani iyi yakazvidhonza pamwe nehunyanzvi ndokutanga kukunda nzvimbo dzakakwirira dzemotocross. Mainjiniya vakatanga kupa zvakanyanya kushanda uye kutarisisa midhudhudhu, uye mhedzisiro yacho yakaonekwa nekukurumidza. Kwemakore maviri apfuura, Yamaha yakazvirumbidza pamusoro peiyo AMA zita pamwe neMXGP zita.
Kubva gore rapfuura, chete 250cc ina-maroke injini Iyo See yachinja zvakanyanya, uye hapana zvakawanda zvachinja kubva kuhama yayo hombe, iyo 450cc ina-stroke. Ona The novelty chete mabhureki discs akagadzirwa nezvimwe zvinhu izvo zvakanyanya kushingirira kupisa. Mune 125cc maviri-stroke, chete magirafu ari matsva, uye kana iri YZ250F, pane zvakawanda zvitsva maficha. Injini ine cylinder itsva, valve yekutora yakashandurwa, yakakura uye ine chitubu chakasiyana. Iyo bhasikoro zvakare ine nyowani ECU komputa inobvumira injini kukudziridza simba rakawanda pakakwirira RPMs. Kutapurirana kwakagadziridzwa zvakare sezvo Yamaha yakagadzira itsva otomatiki kutapurirana iyo inobvumira mutasvi kuti achinje nekukurumidza uye nyore. Kugadzikana kweinjini kwakagadziridzwa nekufambisa mainframe zvishoma pamusoro pemapedhi. Mabhegi anonamira injini pafuremu haasisiri aluminium, asi simbi. Kuti bhasikoro ridzore zviri nani, mapedhi akaiswa pasi nemamita mashanu uye madhamu akavandudzwa. Sezvakaita injini ye450cc, iyi zvakare ine mabhureki discs mune zvakasiyana zvinhu. Pamusoro pezvese zvigadzirwa zvehunyanzvi, mudhudhudhu wakagamuchira mifananidzo mitsva, mafenda akachinja zvishoma zvichienzaniswa negore rapfuura, uye mudhudhudhu wakashongedzwa nemarimu matema uye zvishongedzo zvegoridhe.
Isu takave nemukana wekuyedza mamodheru YZ125, YZ250F, YZ450F uye zvese zvavo zvakapetwa GYTR. Sezvo injini dze125 uye 450 cc. Cm haisati yashanduka kubvira gore rapfuura, ndakanyatso tarisa pamudhudhudhu we250cc. Ona Kutanga, ndakaona simba rakakura rakaunzwa neinjini. Kuenzaniswa nevamwe, iwe hauna kujairika, saka unofanirwa kunge uri muchimiro chakanaka kuti udzore ichi chikara chebhuruu. Injini ine torque inoshamisa kubva padanho repasi kuenda padanho repamusoro. Sezvineiwo, mundege refu, iwe paunochengeta kubvarura kuzere kwenguva yakareba, injini ichiri kudhonza uye kusimudza kumhanya. Bhasikoro iri zvakare inodzora zvakanyanya kupfuura gore rapfuura, izvo ini pachezvangu ndinotenda zvinokonzerwa nema pedal akaiswa pasi uye anopa mutasvi kutonga kwakawanda pamusoro peinjini. Iyo gearbox inoshanda zvakakwana, ini pakarepo ndakaona kuti kunyangwe papamusoro revs iwe unogona switch pasina matambudziko, izvo zvakanaka. Ndakafarira mabhureki pasina kugadzirisa. Ivo vanopa akaomesesa braking. Iwo ekuvhunduka anopinza akaiswa kune imwe mhando yepakati pasi uye akashanda kwazvo pakusvetuka. Ndaiwanzo svetukira kure zvakanyanya uye ma absorbers ekuvhunduka akaita basa rakakura. Ini ndaifara kwazvo kuti iyo track yaive yakanyatso gadzika, saka ndakakwanisa kuifarira zvakanyanya, asi nekuda kweizvi, ini handina kukwanisa kuyedza zvinotyisa vanogwinha uye kugadzira maonero pamusoro pavo.
Chinhu chakanyanya kunaka, zvisinei, ndechekuti ndaifarira emabhasikoro eGYTR. Simba rakawandisa nehutungamiriri…. Ah, pamusoro pazvo munyaya inotevera!
zvinyorwa: Yaka Zavrshan, mufananidzo: Yamaha
