{"id":9273,"date":"2014-10-18T19:20:44","date_gmt":"2014-10-18T17:20:44","guid":{"rendered":"http:\/\/mixmotor.eu\/?p=9273"},"modified":"2015-04-17T16:59:00","modified_gmt":"2015-04-17T14:59:00","slug":"nova-kraska-od-yamahy-sa-chysta-do-blata-wr250f-2015","status":"publish","type":"post","link":"https:\/\/mixmotor.eu\/en\/9273\/nova-kraska-od-yamahy-sa-chysta-do-blata-wr250f-2015","title":{"rendered":"Nov\u00e1 kr\u00e1ska od Yamahy sa chyst\u00e1 do blata. WR250F 2015"},"content":{"rendered":"

Je to s\u00edce p\u00e1r dn\u00ed, \u010do Yamaha predstavila nov\u00fa endurov\u00fa kr\u00e1sku WR250F no aktu\u00e1lnu bude \u010fal\u0161\u00ed rok, tak\u017ee prin\u00e1\u0161ame zmeny na modeli 2015.<\/p>\n

Motor a prevodovka<\/h3>\n

Opa\u010dne oto\u010den\u00fd \u0161tvortaktn\u00fd motor (v\u00fdfukov\u00e9 potrubie \u00fasti pod va\u0161\u00edm zadkom) so \u0161tyrmi ventilmi a\u00a0elektrick\u00fdm vstrekovan\u00ed je vyladen\u00fd pre enduro \u0161t\u00fdl \u2013 teda aby v\u00e1m neodtrhol ruky, ke\u010f budete chcie\u0165 prejs\u0165 po lesnej ceste. Vstrekovac\u00ed syst\u00e9m vyu\u017e\u00edva 3D-mapu\/graf v\u00a0ktorom sa sleduje vstrek paliva (namie\u0161anie spr\u00e1vneho pomeru benz\u00edn+vzduch) a\u00a0\u010das zapa\u013eovania.<\/p>\n

\"15_WR250F_Blue_4\"<\/a><\/p>\n

*pozn. doned\u00e1vna elektrick\u00e9 vstrekovanie sledovalo iba v\u00e1hu vzduchu, t.j. jeho vlhkos\u0165, teplotu, at\u010f. a\u00a0na z\u00e1klade toho primie\u0161avalo ur\u010dit\u00fd objem benz\u00ednu. Niekedy bol potrebn\u00fd v\u00e4\u010d\u0161\u00ed pomer benz\u00ednu na nejak\u00fd objem vzduchu, aby bola zmes z\u00e1palnej\u0161ia a\u00a0zase naopak. 3D graf sleduje 3 faktory naraz: tlak, ot\u00e1\u010dky motora, predstih zapa\u013eovania. Dok\u00e1\u017ee tak vytvori\u0165 omnoho lep\u0161\u00ed spa\u013eovac\u00ed proces a\u00a0vytvori\u0165 v\u00e4\u010d\u0161\u00ed v\u00fdkon aj pri ni\u017e\u0161\u00edch ot\u00e1\u010dkach.<\/address>\n
\"ccrp_0802_10_z+electronic_fuel_injection_system+accel_dfi_3d_spark_map\"<\/a><\/address>\n

Prevodovka m\u00e1 po novom 6 stup\u0148ov a\u00a0ka\u017ed\u00fd prevodov\u00fd stupe\u0148 je laden\u00fd na dlho, t.j. ide\u00e1l na dlh\u0161ie trasy, pri\u010dom si odd\u00fdchne motor, klesne spotreba a\u00a0vytiahne to na vy\u0161\u0161iu hodnotu na tachometri.<\/p>\n

\"15_WR250F_Blue_A26\"<\/a><\/p>\n

No a\u00a0\u010do by to bol model v\u00a0roku 2015 bez elektrick\u00e9ho \u0161tart\u00e9ra, \u017ee \u00e1no? Okrem toho, spojka dostala nov\u00fd materi\u00e1l klzn\u00fdch lamiel tak, aby vydr\u017eala enduro=spojkov\u00e9 jazdenie.<\/p>\n

\u0160asi a\u00a0tlmi\u010de<\/h3>\n

R\u00e1m z\u00a0hlin\u00edkovej zliatiny je podobn\u00fd tomu motokrosov\u00e9mu z\u00a0YZ250F, je tuh\u00fd, \u013eahk\u00fd a\u00a0s\u00a0dlhou \u017eivotnos\u0165ou ( o\u00a0\u010dom n\u00e1s u\u017e presved\u010dili mnoh\u00e9 predch\u00e1dzaj\u00face modely). Zadn\u00fd podblatn\u00edkov\u00fd r\u00e1m sa d\u00e1\u00a0kedyko\u013evek odmontova\u0165, ak m\u00e1te pocit, \u017ee je na v\u00e1s motorka pri\u0165a\u017ek\u00e1.<\/p>\n

\"15_WR250F_Blue_3\"<\/a><\/p>\n

Japoncovi iba japonsk\u00e9. Yamaha u\u017e dlh\u0161iu dobu pou\u017e\u00edva tlmi\u010de KYB a\u00a0pokra\u010duj\u00fa v\u00a0tom. Preto WR250F 2015 m\u00e1 KYB s\u00a0oddelen\u00fdmi komorami vzduch a\u00a0olej a\u00a0to vpredu aj vzadu. Samozrejme s\u00fa vyladen\u00e9 na m\u00e4kk\u00e9 enduro jazdenie po kore\u0148och stromov. To ale nie je v\u0161etko, piestnice tlmi\u010dov s\u00fa potiahnut\u00e9 jemn\u00fdm filmom Kashima, \u010do je vlastne povrchov\u00e1 \u00faprava. Kashima vytvor\u00ed vrchn\u00fa vrstvu z\u00a0keramiky Al2O3 a\u00a0pod \u0148ou sa nach\u00e1dza molybd\u00e9n disulfid. Molybd\u00e9n zabezpe\u010duje n\u00edzke trenie, vytv\u00e1ra ak\u00fasi mastn\u00fa vrstvu a\u00a0keramika zabezpe\u010duje dostato\u010dn\u00fa tvrdos\u0165, aby piestnice neboli oplieskan\u00e9 od ka\u017ed\u00e9ho kamienka.<\/p>\n

\"Kashima\"<\/a><\/p>\n

\u010eal\u0161ie veci\u010dky<\/h3>\n

GYTR je \u010das\u0165 Yamahy, ktor\u00e1 sa star\u00e1 o\u00a0v\u00fdkonnej\u0161ie s\u00fa\u010diastky (karbur\u00e1tor, vzduchov\u00e9 filtre, vstrekovacie trysky, pru\u017einy ventilov, tlmi\u010de v\u00fdfukov, at\u010f.). Tu sa GYTR postarala o\u00a0viacer\u00e9 mapy zapa\u013eovania a\u00a0jazdec m\u00e1 mo\u017enos\u0165 prep\u00edna\u0165 sa medzi nimi. Palubn\u00fd po\u010d\u00edta\u010d s\u00a0r\u00fdchlomerom, ot\u00e1\u010dkomerom, hodinami a\u00a0\u010fal\u0161\u00edm je \u0161tandardom.<\/p>\n

\"15_WR250F_Blue_A6\"<\/a><\/p>\n

\u0160pecifik\u00e1cie<\/h3>\n\n\n\n\n\n\n\n\n\n
Motor<\/td>\n250ccm, \u0161tvortakt, 4 tit\u00e1nov\u00e9 ventily, typ rozvodu DOHC<\/td>\n<\/tr>\n
V\u0155tanie x zdvih (mm)<\/td>\n77×53,6<\/td>\n<\/tr>\n
Kompresn\u00fd pomer<\/td>\n11,8:1<\/td>\n<\/tr>\n
Brzdy vpredu\/vzadu (mm)<\/td>\nKot\u00fa\u010dov\u00e9 250\/230<\/td>\n<\/tr>\n
Koles\u00e1 vpredu\/vzadu (palce)<\/td>\n21\/18<\/td>\n<\/tr>\n
Hmotnos\u0165 s\u00a0n\u00e1pl\u0148ami (kg)<\/td>\n133,8<\/td>\n<\/tr>\n
N\u00e1dr\u017e (l)<\/td>\n9,55<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Autor: Vladislav Baniari; Zdroj+foto: Yamaha Motor, Carcraft, Kashima<\/p>\n

\"15_WR250F_Blue_A19\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Je to s\u00edce p\u00e1r dn\u00ed, \u010do Yamaha predstavila nov\u00fa endurov\u00fa kr\u00e1sku WR250F no aktu\u00e1lnu bude \u010fal\u0161\u00ed rok, tak\u017ee prin\u00e1\u0161ame zmeny na modeli 2015.<\/p>\n","protected":false},"author":1,"featured_media":9277,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[1268,7,715],"tags":[240,842,815,843,841,432],"class_list":["post-9273","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-moto","category-sutaze","category-yamaha-motocykle","tag-240","tag-kashiba","tag-keramika","tag-vstrekovanie","tag-wr","tag-yamaha"],"translation":{"provider":"WPGlobus","version":"3.0.0","language":"en","enabled_languages":["sk","en","de"],"languages":{"sk":{"title":true,"content":true,"excerpt":false},"en":{"title":false,"content":false,"excerpt":false},"de":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/posts\/9273","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/comments?post=9273"}],"version-history":[{"count":3,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/posts\/9273\/revisions"}],"predecessor-version":[{"id":9283,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/posts\/9273\/revisions\/9283"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/media\/9277"}],"wp:attachment":[{"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/media?parent=9273"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/categories?post=9273"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/tags?post=9273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}