{"id":45816,"date":"2018-12-29T16:08:34","date_gmt":"2018-12-29T07:08:34","guid":{"rendered":"https:\/\/www.decoboco.info\/en\/?p=45816"},"modified":"2026-09-24T13:45:03","modified_gmt":"2026-09-24T04:45:03","slug":"inazuma-1200-oil-cooled-katana-inspection-carb-maintenance-oh-polishing","status":"publish","type":"post","link":"https:\/\/www.decoboco.info\/en\/20181229\/everyday-events\/inazuma-1200-oil-cooled-katana-inspection-carb-maintenance-oh-polishing","title":{"rendered":"Inazuma 1200 Oil-cooled Katana Inspection Carburettor Maintenance OH (+ Polishing) Front Maintenance (Fork OH) Newtech Engine Oil Change Yoshimura Temp Meter"},"content":{"rendered":"<div id=\"decob-3358520065\" class=\"decob- decob-entity-placement\"><a href=\"https:\/\/www.decoboco.info\/advertise\" aria-label=\"ad_sample_1456_180_1\"><img src=\"https:\/\/www.decoboco.info\/en\/wp-content\/uploads\/sites\/2\/2025\/04\/ad_sample_1456_180_1.png\" alt=\"\"  srcset=\"https:\/\/www.decoboco.info\/en\/wp-content\/uploads\/sites\/2\/2025\/04\/ad_sample_1456_180_1.png 1456w, https:\/\/www.decoboco.info\/en\/wp-content\/uploads\/sites\/2\/2025\/04\/ad_sample_1456_180_1-300x37.png 300w, https:\/\/www.decoboco.info\/en\/wp-content\/uploads\/sites\/2\/2025\/04\/ad_sample_1456_180_1-1024x127.png 1024w, https:\/\/www.decoboco.info\/en\/wp-content\/uploads\/sites\/2\/2025\/04\/ad_sample_1456_180_1-768x95.png 768w\" sizes=\"(max-width: 1456px) 100vw, 1456px\" width=\"812\" height=\"100\"   \/><\/a><\/div><p><img decoding=\"async\" class=\"alignnone size-full wp-image-45786\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/DSC_8814.jpg\" alt=\"\" width=\"1280\" height=\"854\"><br \/>\nInazuma 1200 Oil-cooled Katana inspection, carburettor maintenance OH (+ polishing), front maintenance (fork OH), Newtech engine oil change, and Yoshimura temp meter installation\u2014that&#8217;s what we&#8217;re working on today.<\/p>\n<p><!--more--><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45787\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/DSC_8816.jpg\" alt=\"\" width=\"1280\" height=\"854\"><br \/>\nLet&#8217;s start with the carburettor and move through the work.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45788\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760017.jpg\" alt=\"\" width=\"1280\" height=\"855\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45789\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760020.jpg\" alt=\"\" width=\"1280\" height=\"855\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45790\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760019.jpg\" alt=\"\" width=\"1280\" height=\"855\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45791\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760018.jpg\" alt=\"\" width=\"1280\" height=\"855\"><img decoding=\"async\" class=\"alignnone size-full wp-image-45792\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760021.jpg\" alt=\"\" width=\"1280\" height=\"855\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45793\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760023.jpg\" alt=\"\" width=\"1280\" height=\"855\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45794\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760022.jpg\" alt=\"\" width=\"1280\" height=\"855\"><br \/>\nWe&#8217;ll give it a light wash first, then check everything over and take photos as we go for reference.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45795\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760078.jpg\" alt=\"\" width=\"1280\" height=\"855\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45796\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760079.jpg\" alt=\"\" width=\"1280\" height=\"855\"><br \/>\nThe fuel line O-ring was in bad shape\u2014it was right on the edge. On bikes that are 10 to 15 years old, you really need to disassemble the carb connections and replace the rubber parts, or you&#8217;re asking for trouble.<\/p>\n<p>If you just do a quick wash with all four carbs still linked together, the risk of problems coming back is high.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45797\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760080.jpg\" alt=\"\" width=\"1280\" height=\"855\"><br \/>\nYou can&#8217;t see it, but it&#8217;s better to keep it clean anyway. We polished it up.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45798\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760081.jpg\" alt=\"\" width=\"1280\" height=\"855\"><br \/>\nThe slide valve shows some wear, but it&#8217;s still in good shape.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45799\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760024.jpg\" alt=\"\" width=\"1280\" height=\"855\"><br \/>\nWhen you disassemble, use an electric impact driver if you can. These bolts are surprisingly tight. If you strip them and then use a shock driver, the impact travels through to the carb body itself. To avoid the risk of breaking something, it&#8217;s better to use modern tools and do it safely.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45800\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760027.jpg\" alt=\"\" width=\"1280\" height=\"855\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45801\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760028.jpg\" alt=\"\" width=\"1280\" height=\"855\"><br \/>\nIt&#8217;s definitely safer to replace the intake manifold while parts are available.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45802\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760029.jpg\" alt=\"\" width=\"1280\" height=\"855\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45803\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760030.jpg\" alt=\"\" width=\"1280\" height=\"855\"><br \/>\nThe duct side is good to do as a set too.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45804\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/DSC_8817.jpg\" alt=\"\" width=\"1280\" height=\"854\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45805\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/DSC_8818.jpg\" alt=\"\" width=\"1280\" height=\"854\"><br \/>\nWe separate everything and give it a thorough wash.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45806\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/DSC_8825.jpg\" alt=\"\" width=\"1280\" height=\"854\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45807\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/DSC_8827.jpg\" alt=\"\" width=\"1280\" height=\"854\"><br \/>\nThen we polish it, and it comes out looking like new.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45808\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760058.jpg\" alt=\"\" width=\"1280\" height=\"855\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45809\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760060.jpg\" alt=\"\" width=\"1280\" height=\"855\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45770\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760059.jpg\" alt=\"\" width=\"1280\" height=\"855\"><br \/>\nWe polish all the brackets too, then coat them with Guncoat paint.<br \/>\nWith any job, during and after the work, I find myself thinking, &#8220;I wish we could do it this way&#8221; or &#8220;It would be nice to finish it like this.&#8221; I work with the idea that each time we can improve a little bit more.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45810\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/DSC_8830.jpg\" alt=\"\" width=\"1280\" height=\"854\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45811\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/DSC_8832.jpg\" alt=\"\" width=\"1280\" height=\"854\"><br \/>\nNow we reassemble and check the fuel level.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45812\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760082.jpg\" alt=\"\" width=\"1280\" height=\"855\"><br \/>\nThe oil level height front to back varies depending on the carburetor angle. That&#8217;s fine to a degree. We check it every time, and that check includes making sure no mistakes have occurred.<\/p>\n<p>It&#8217;s all part of making sure everything is right.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45813\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760083.jpg\" alt=\"\" width=\"1280\" height=\"855\"> <img decoding=\"async\" class=\"alignnone size-full wp-image-45814\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760084.jpg\" alt=\"\" width=\"1280\" height=\"855\"><br \/>\nThrottle cable and choke cable. On the Inazuma, we should also replace the fuel pump hose.<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-45815\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2018\/12\/P1760085.jpg\" alt=\"\" width=\"1280\" height=\"855\"><br \/>\nThen we sync the carbs and we&#8217;re done.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Inazuma 1200 Oil-cooled Katana inspection, carburettor maintenance OH (+ polishing), front maintenance (fork OH), Newtech engine oil change, and Yoshimura temp meter installation\u2014that&#8217;s what we&#8217;re working on today.<\/p>\n","protected":false},"author":2,"featured_media":45786,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pochipp_cv_data":"","swell_btn_cv_data":"","footnotes":""},"categories":[1924],"tags":[136,76,119,64,120,166,122],"class_list":["post-45816","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-everyday-events","tag-carb-maintenance","tag-front-maintenance","tag-inazuma","tag-oil-change","tag-oil-cooled-katana","tag-production","tag-vehicle-inspection"],"_links":{"self":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts\/45816","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/comments?post=45816"}],"version-history":[{"count":0,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts\/45816\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/media\/45786"}],"wp:attachment":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/media?parent=45816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/categories?post=45816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/tags?post=45816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}