{"id":75056,"date":"2011-01-13T16:09:45","date_gmt":"2011-01-13T07:09:45","guid":{"rendered":"https:\/\/www.decoboco.info\/en\/?p=75056"},"modified":"2026-09-24T13:42:57","modified_gmt":"2026-09-24T04:42:57","slug":"gs1200ss-bst40mjn-part-4","status":"publish","type":"post","link":"https:\/\/www.decoboco.info\/en\/20110113\/everyday-events\/gs1200ss-bst40mjn-part-4","title":{"rendered":"GS1200SS BST40 MJN Build"},"content":{"rendered":"<div id=\"decob-4243397552\" 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>This is a GS1200SS.<br \/>\nA bit of a troublesome request:<br \/>\nThey want to install a &#8220;BST40 from a GSX-R750RK with a Yoshimura MJN kit already assembled&#8221; onto the GS1200SS.<br \/>\nI thought, &#8220;Ugh, what a pain,&#8221; but I was curious what would actually happen, so here we go. <br \/>&nbsp;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/imp\/674393_62093549_0.jpg\" \/><br \/>&nbsp;<br \/>Hmm. <br \/>&nbsp;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/imp\/674393_62093549_1.jpg\" \/><br \/>&nbsp;<br \/>It looks like it was well cared for\u2014very clean. <br \/>&nbsp;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/imp\/674393_62093549_2.jpg\" \/><br \/>&nbsp;<br \/>The float looks good too, but the O-rings are loose. <br \/>&nbsp;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/imp\/674393_62093549_3.jpg\" \/><br \/>&nbsp;<br \/>This one&#8217;s dried out too. <br \/>&nbsp;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/imp\/674393_62093549_4.jpg\" \/><br \/>&nbsp;<br \/>The MJN doesn&#8217;t have a number marked on it. <br \/>&nbsp;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/imp\/674393_62093549_5.jpg\" \/><br \/>&nbsp;<br \/>I bought a Honda OEM float level gauge the other day\u2014the BST float is loose, so this is just for reference.<br \/>\nThe GSF manual shows the actual fuel level. <br \/>&nbsp;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/imp\/674393_62093549_6.jpg\" \/><br \/>&nbsp;<br \/>The float chamber gasket hasn&#8217;t arrived yet, so we&#8217;re stopped!<br \/>\nThe air cleaner got enlarged\u2026<br \/>\nWe&#8217;re swapping the manifold too, but since we&#8217;re not making progress anyway, Yamamoto-sensei removed the bolts from the GSX-R1100 for us. &#8544;<br \/>\nTime to go pick them up.<br \/>\nEven with the heater on, it might not even reach 68 degrees\u2026<br \/>\nSammy<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is a GS1200SS. A bit of a troublesome request: They want to install a &#8220;BST40 from a GSX-R750RK with a Yoshimura MJN kit already assembled&#8221; onto the GS1200SS. I thought, &#8220;Ugh, what a pain,&#8221; but I was curious what would actually happen, so here we go. &nbsp; &nbsp;Hmm. &nbsp; &nbsp;It looks like it was well cared for\u2014very clean. &nbsp; &nbsp;The float looks good too, but the O-rings are loose. &nbsp; &nbsp;This one&#8217;s dried out too. &nbsp; &nbsp;The MJN doesn&#8217;t have a number marked on it. &nbsp; &nbsp;I bought a Honda OEM float level gauge the other day\u2014the BST float is loose, so this is just for reference. The GSF [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":75055,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pochipp_cv_data":"","swell_btn_cv_data":"","footnotes":""},"categories":[1924],"tags":[62,55],"class_list":["post-75056","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-everyday-events","tag-gs1200ss","tag-old-blog"],"_links":{"self":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts\/75056","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=75056"}],"version-history":[{"count":0,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts\/75056\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/media\/75055"}],"wp:attachment":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/media?parent=75056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/categories?post=75056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/tags?post=75056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}