Yamaha WR450F: bayanan fasaha, sharhi da hotuna

Lokacin da Yamaha ya gabatar da sabuwar shekara ta 2015 WR250F babur, mutane da yawa sun yi mamaki dalilin da yasa dan uwansa WR450F bai karbi irin wannan misalin ba. Bayan shekara guda, lokacin da model na 2016 ya bayyana, sai ya zama kamar cewa WR450F sake koma unheeded. Wannan ya kasance a gaban Moto Goto na Australiya a tsakiyar Oktoba 2015, inda kamfanin ya nuna samfurin da ya dace.

Yamaha WR450F: Binciken Sauyawar

An kirkiro WR na karshe tare da haɓakar masu yawa da yawa, musamman ma tsohon dan wasan MXGP Josh Coppins. Sabuwar na'ura ta fi dacewa da injiniya, cassis, dakatarwa, watsawa da kuma tsarin braking na YZ450F lashe gasar zakarun duniya, wanda ya shafi nauyin nauyin babur, ya kara ƙarfinsa da inganta zaman lafiyar.

Bayan samfurin farko na WR linear juyin juya hali, wanda ya bayyana a shekara ta 1998 a karkashin sunan WR400F, akwai wasu manyan ci gaba guda biyar na jerin. A shekara ta 2001, an kaddamar da WR426F, kuma an kaddamar da Yamaha WR450F a shekarar 2003. A shekara ta 2007, fitinar aluminum ya bayyana, da kuma man fetur - in 2012, amma kafin wannan kakar babur ya canza kadan. Wannan ba tasiri ga tallace-tallace ba, amma bayan da aka sake sake yin la'akari da samfurin 2016, ana sa ran zahiri. Sakamakon nazarin wasu manyan manyan canje-canje sun nuna rabon kilogram 6 na kilogram, ƙaya da gyaran dakatarwa, gyaran gyare-gyare na injiniya, gyaran gyare-gyaren haɓaka da kuma tsarin fashewa.

Chassis

A shekara ta 2016, Yamaha ya gabatar da wata alama mai siffar aluminum daga YZF, wanda ya zama sananne lokacin dasa.

WR daga farkon zuwa ƙarshe yana da zane mai kyau, wurin zama mai dadi tare da saukar da ƙafa na 5 mm kuma yana ba da dacewa ta tsakiya. Bambanci tsakanin sassan YZ da WR an tsara su don daidaitawa zuwa wannan ƙaura zuwa ƙetaren ƙetare kuma ƙara yawan karɓa tare da direba. Har ila yau, an rage dakatarwar injiniyar ta 2 mm.

Yamaha WR450F yana da sabon tsarin haɗin mahaɗi hudu, wanda ya cika nauyin haɓaka na SUV, domin yana bawa direba ya daidaita saukowa ba tare da farashin ƙarin kayan haɓaka ba. Zai yiwu a daidaita matsayi ta +26.5, +16.5 da -10 mm daga daidaitattun, wanda hakan yakan canza girman kullin. Bisa ga amsawar da masu amfani da suke yi na gargajiya na al'ada, matsayin matsayi ya dace daidai a kan babbar hanya da kan filin m.

Bugu da kari, da babur da Kawasaki WR450F sanye take da misali kashe-hanya ƙafafun aunawa 18 da 21 inci, wanda aka kawota tare da baki Excel baki, ba da azurfa kamar yadda kafin. Sun dace sosai da tarkon Metzeler 6 Day, yayin da suke saduwa da takaddun shaida na FIM kuma suna da matukar wuya.

Hanyoyin gyare-gyare na gyare-gyare sun haɗa da sakawa a kan firam na mataki na gaba, mai nuna radia, gaba da baya. Ruwan sanyi yana da amfani a cikin kwanaki masu zafi da kuma wurare mai mahimmanci, lokacin da yanayin iska bai isa ba.

Takarda shagon

Kamar kamuwa, ƙaddamar da WR450F a shekara ta 2016 ya dogara da YZ450F. Dukansu motoci suna amfani da toshe na gaba tare da KYB rabuwa ta iska tare da sauyawa 22-mm, hanya ta 114-mm da kuma kusurwa 26.2 °, amma WR yana amfani da shigarwa na ciki mafi kyau wanda yafi dacewa da tuki na hanya.

Hakanan ya faru da baya na babur, inda YZF ya samo asali tare da KYB ƙayyadewa da aka yi amfani da shi tare da shigarwa na ƙarewa. Wadannan ƙananan haɓaka sunyi don taimakawa WRF don magance duk nauyin hanyoyin motsa jiki, daga sassan fasaha na hanyar zuwa hanyoyin sauri.

Gaba ɗaya, idan aka kwatanta da siffofi na baya, a cikin sabuwar Yamaha WR450F babur, kayan haɓaka da haɓakawa sun inganta sosai.

A cewar daya motar motsa jiki, a lokacin da suka fara tafiya zuwa WRF a lokacin da ake yin amfani da takalmin a gaban, an ji dadin raunuka, amma bayan kananan gyare-gyare na mai dannawa sun daina jin. Ga wadanda suka fi son farawa da taushi sosai, sannan suyi zurfin damuwa na yatsa na baya, tsarin daidaitawa zai samar da waɗannan sanannun abubuwa kuma ya ba ka damar yin amfani da babur da sauri.

A lokacin da aka yi amfani da braking, WR ya saukowa sosai kuma yana tsaye da hanzari a lokacin fita daga ɗakin ɗakin, wanda yake da muhimmanci ga raga a filin marar kyau. Babur kuma yana da daidaituwa a cikin ƙungiyoyi masu lakabi, wanda ya kawar da buƙata don ƙuƙwalwar ƙira lokacin masarawa a ƙananan ƙananan gudu.

Dakatarwa, wanda Yamaha ya bunkasa ga WR450F a shekara ta 2016, ya kammala kammala shafukan da aka sabunta kuma ya samar da tabbas, daidaitaccen tafiya. Bugu da ƙari, masu amfani da babur suna farin ciki da canje-canje da kuma fahimtar cewa za'a iya yin gyaran takalma da maɓuɓɓuga don sauya babur zuwa mahayin kowane mataki.

Injin

A shekara ta 2016 godu Kawasaki gabatar da wani sabon tsari engine dogara ne a kan YZF, a cikin abin da baya karkatar chetyrehklapannyh sabon Silinda kai a hade tare da gaban iska ci da kuma raya shaye fitarwa gas. Baya da kuma raya karkatar Silinda ne ta ƙara da kuma ci yadda ya dace da samar, gyara mikakke karfin juyi da kuma samar da taro karkashin shugabancin tsakiya. 44-mm throttle jiki, wanda ya 2 mm ya fi girma fiye da bara. Hanya ta raguwa ta canza, yanayin budewa ya inganta, an motsa maɓallin, maƙalar ya zama ya fi guntu kuma ya fi tsayi. Ana samar da yiwuwar yin amfani da lantarki da farawa.

Ganaren janareta yana ba da kayan lantarki, matakan wuta da tsarin injin man fetur da nauyin lantarki na 14 V da ikon 160 W. Samun nau'i biyu na kaddamarwa a cikin masu amfani da Yamaha WR450F yana da matukar amfani, kamar yadda wasu masana'antun sun dogara ne akan kayan lantarki, kuma masu amfani da irin wannan motar ma sukan ƙare tare da batura da aka dakatar kafin yin tafiya mai tsanani.

Ikon mai nasara

Kawasaki WR450F nuna kyautata matsawa rabo daidai 12.5: 1, wanda yake shi ne musamman smoothly canje-canje cikin ikon kwana. Kwararrun masu son motar motsa jiki, suna ba da wata matsala mai yawa, suna da mamaki da saukewar iko na yanzu zuwa WRF. Yawancin lokaci, jinkirin hanzari na farko ana sa ran, sannan kuma ya tashi cikin sauri, amma wannan motar tana kusa da nauyin ta YZ450F. Zai yiwu a motsa daga na biyu zuwa ganga na uku a cikin na biyu a kusan kowane ɓangare na hanya mai ciyayi ko kuma mai hadari.

Saitin wutar lantarki

Bayanan masu amfani da cewa riko lokacin da tuki akan manyan hawan, saboda wutar lantarki mai sauƙi, kusan kusan ba shi da iko don sarrafawa. Lokacin yin amfani da saitunan Yamaha Power Tuner don samar da katin man fetur mai laushi, mai amfani da man fetur da ƙuƙwalwar wuta, ya isa ya yi iyakoki biyu ko uku don ƙayyade cewa waɗannan sigogi ba su dace ba. Fans na raunin rashin ƙarfi a cikin ƙasa nan da nan gane cewa wannan ba shine a gare su ba, har ma a cikin yanayi mai wuya da fasaha. Nan da nan komawa zuwa saitunan baya baya da wuya.

Ana ba da shawara ga masu amfani kada su gwada watsawar wutar lantarki a WRF a kan shafukan giraguni masu tsabta ... Wadanda suka yanke shawara cewa wannan kyakkyawar ra'ayi ne, ana iya buƙatar likita a kwanan nan. A kowane hali, littafin Yamaha WR450F, musamman ma ɓangaren da ke hulɗar da dokokin tsaro, ya fi dacewa karantawa.

Ƙarfin wutar lantarki yana ba ka dama kwarewa daban-daban don saitunan daidaitacce. Duk da irin irin wutar lantarki da kake so, jinkiri, mai sassauci, jinkiri, wahala ko girgiza, haifar da ƙwaƙwalwar ƙafa ko a'a, godiya ga maɓallin gyaran wutar lantarki na zaɓi, babur zai iya zama mutum bisa ga yadda kake hawa.

Sabuwar fasaha ta EFI ta tabbatar da amfani da man fetur mai kyau, kuma mai amfani da man fetur 7.5 lita mai kyau ya ba ka damar fitar da fiye da 100 km. Fans na dogon lokacin tafiya don ƙara ƙarfinta zai buƙatar sayen mafita na ɓangare na uku.

Gearbox

Wani muhimmin mahimmanci a shekara ta 2016 shi ne saurin sau biyar. Sabuwar tsarin kwafin tsarin YZ450F, amma ya hada da sababbin abubuwa mafi dacewa a cikin ƙananan ƙarancin ƙarewa wanda zai iya tsayayya da matsanancin yanayin aiki. Bugu da ƙari, idan aka kwatanta da YZF, na biyu, na uku da na hudu aka inganta, kuma na farko da na biyar ba su canzawa.

Bugu da ƙari, haɗin gwal ɗin yana aiki da sannu, ƙauyukan da aka yi da ƙaura, wanda ya dace daidai da ɗaukakken "hasken". Bugu da ƙari, ita da damuwa na masu amfani da'awar ba su tashi ba, kuma kashi 13:50 na kaya ya zama babban nasara ga duk masu shiga.

Brake

Shirin Yamaha WR450F na 2016 ya karbi bashi daga YZF. A sakamakon haka, babur yanzu yana da babban, 270 mm a diamita, kwance na gaba, ko da yake buguwa na gaba ya zama karami.

Ayyukan gyaran fuska na WRF shi ne, kamar yadda ake sa ran, mai kyau, masu amfani kawai suna buƙatar ƙaramin gyare-gyare zuwa tsawo na gaba da baya baya don jin su a gida. Masu lura suna lura da saukakawa da sauri a lokacin da suke tuƙi a kowane irin filin, wanda ya ba su izinin karuwa sosai da kuma hanzarta lokacin da wannan ya zama dole.

Yamaha WR450F: bayani dalla-dalla

• A engine ne ruwa-sanyaya, guda-Silinda, hudu-bugun jini, juz'i na 449 cm ^_3.
• Yanayin damuwa shine 12.5: 1.
• Gwaguwa na piston: 60.8 mm.
• Silinda na da 97.0 mm na diamita.
• Jumlar tsage.
• Wet, Multi-farantin kama.
• Induction: allurar man fetur, 44 mm throttle jiki.
• Karkar wuta ta TCI.
• Lissafin lantarki da kafa.
• 5-gudu gudun tare da m kama.
• Tsarin yana da rabin-duplex.
• Kwankwayon goshin goshi, kwalliya 310 mm.
• Gyara, mm: 114.
• Halin da ke cikin jirgin shine 26º 20.
• Sake dakatarwa a baya, fashewa 318 mm.
• Hanya na 1-disc gaba / rago baya tare da diamita na 270/245 mm.
• Tires: 90 / 90-21 54M (gaba), 130 / 90-18 69S + M (baya).
• Dimensions, mm: 2165 x 825 x 1.280.
• Matsayi mai tsawo, mm: 965.
• Ragewa, mm: 325.
• Distance tsakanin ƙafafun, mm: 1465.
• Man fetur / man fetur, l: 7,5 / 0,95.
• Mass a cikin tsari, kg: 123.

Shafuka

A 2016, WR450F yana samuwa a cikin al'adun gargajiya na Yamaha, kuma abokan ciniki a Ostiraliya da New Zealand za a ba su launin ruwan hoda. Wannan sadaukarwa ta musamman shine ƙwarewa game da rawar da masu saye daga waɗannan ƙasashe suke yi a gyaran babur. Kamar yadda aka riga aka ambata, za a nuna samfurin na Black Vel na baki, kariya daga hannun Bark Busters da kuma mai tsaro mai duhu daga kasa. Kariyar filastik filastik daga Yamaha WR450F motoci ya samar da kamfanoni na uku, misali Light Speed ko Hyde Racing. Amma bisa ga masu amfani, ba su dace da wannan tsari ba. Kare kullin daga Yamaha WR450F Moto Racing Hyde Racing yana lalata alarin babur, kuma Light Speed ba la'akari da gaban akwatin akwatin iska.