{"id":44666,"date":"2019-04-01T20:55:31","date_gmt":"2019-04-01T11:55:31","guid":{"rendered":"https:\/\/www.decoboco.info\/en\/?p=44666"},"modified":"2026-09-24T13:45:16","modified_gmt":"2026-09-24T04:45:16","slug":"gpz750f-inspection-newtech-oil-change-meter-frame-mount","status":"publish","type":"post","link":"https:\/\/www.decoboco.info\/en\/20190401\/everyday-events\/gpz750f-inspection-newtech-oil-change-meter-frame-mount","title":{"rendered":"GPZ750F Inspection, Newtech Oil Change, Meter Frame Mount, and More"},"content":{"rendered":"<div id=\"decob-2563428612\" 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>\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"854\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/DSC_9480.jpg\" alt=\"\" class=\"wp-image-44638\"\/><figcaption> <br>The deadlines keep slipping and slipping\u2014I guess I&#8217;m living on everyone&#8217;s love and support&#8230; or maybe I&#8217;m being kept alive by it? <br>Who knows. The request is for an inspection, oil change, meter frame mount conversion, and some other work. <\/figcaption><\/figure>\n\n\n\n<!--more-->\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770609.jpg\" alt=\"\" class=\"wp-image-44639\"\/><figcaption>I&#8217;ll skip showing the before state on purpose. The rear brake pedal area mounting is&#8230; problematic. <br>What do we do? This is&#8230; I mean, I could remake the base plate, but&#8230; I shouldn&#8217;t say that. <br>The arm position is bad, so the plan is to change the angle and length to clear it. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770608.jpg\" alt=\"\" class=\"wp-image-44640\"\/><figcaption>Make it a bit longer and position it around here&#8230; and it should work, I think? I visualized it in my head and made the material. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770613.jpg\" alt=\"\" class=\"wp-image-44641\"\/><figcaption>There&#8217;s a bearing in there&#8230; and with the thin wall and the thickness of the material I made, I nervously assembled it without messing up. *The arm was originally welded, so it&#8217;s not 17 and 75, so don&#8217;t worry. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770612.jpg\" alt=\"\" class=\"wp-image-44642\"\/><figcaption>Anyway&#8230; the position relative to the master is really bad&#8230; so I did something a bit sketchy and made the world&#8217;s smallest spherical bearing to clear it. I threaded it into a collar first and then welded it, so it should be solid. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770616.jpg\" alt=\"\" class=\"wp-image-44643\"\/><figcaption>I made a collar with a meaningful waist&#8230; <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770617.jpg\" alt=\"\" class=\"wp-image-44644\"\/><figcaption>Somehow it&#8217;s now upright&#8230; why it sticks out this much, I&#8217;m not sure&#8230; <br>I interpreted it as something made by following the left side. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770790.jpg\" alt=\"\" class=\"wp-image-44645\"\/><figcaption>I made the oil catch tank bracket using a collaboration of 5mm plate and collar. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770793.jpg\" alt=\"\" class=\"wp-image-44646\"\/><figcaption>This is how it turns out. By the way&#8230; the image is upside down. I blackened it with gun coat. I&#8217;m realizing that I&#8217;m sending fewer small parts to anodizing for rust prevention these days. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770779.jpg\" alt=\"\" class=\"wp-image-44647\"\/><figcaption>The sprocket cover is rattling around, so they want to do something about it. <br>What is this bracket? Because of it, the bolt doesn&#8217;t go in straight, but I&#8217;m not sure if it&#8217;s an aftermarket addition. <br>It was in the way, so I cut it off. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770788.jpg\" alt=\"\" class=\"wp-image-44648\"\/><figcaption>The original collar was pretty thin, so I remade it with a proper outer diameter and a dowel pin hole. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770787.jpg\" alt=\"\" class=\"wp-image-44649\"\/><figcaption>I blackened it with gun coat as well and it&#8217;s done. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770798.jpg\" alt=\"\" class=\"wp-image-44650\"\/><figcaption>They wanted to replace the oil level warning light, so I did it along with the oil change. <br>Do we really need an oil level light? Later I checked and found that the Zephyr and ZR7 have oil pressure switches. <br>I looked into where it is, and like the oil-cooled models, it&#8217;s inside the right pulsar cover. There was a blind plug, so if I remove it and swap it in, it should work. <br>If there&#8217;s interest&#8230; <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770799.jpg\" alt=\"\" class=\"wp-image-44651\"\/><figcaption>The oil condition looked good. We changed it to Newtech NC50 10W-50 and replaced the oil filter. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770783.jpg\" alt=\"\" class=\"wp-image-44652\"\/><figcaption>Now we move on to mounting the meter to the frame. We don&#8217;t start work until we come up with a custom solution that says &#8220;This is it!!&#8221; <br>\u00b7We don&#8217;t proceed until we&#8217;ve thought it through to the end <em>both manufacturability <\/em> and workability suffer. <br>\u00b7If we build in flexibility, the process goes smoother = less risk. <br>\u00b7We also consider repair in case of accident or crash. <br>And so on. <br>There didn&#8217;t seem to be any boss to pull out, so I thought I&#8217;d just have to weld it&#8230; but <br>after a nap, I had a &#8220;eureka!&#8221; moment: <em>just extend the stud that&#8217;s already sticking out! <\/em> That&#8217;s the plan. <br><br>I made a threaded collar with a 17mm flat width. <br><br><br><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770784.jpg\" alt=\"\" class=\"wp-image-44653\"\/><figcaption>Being cautious, I helicoiled both end faces as insurance. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770785.jpg\" alt=\"\" class=\"wp-image-44654\"\/><figcaption>-0.1mm, is that okay? <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770786.jpg\" alt=\"\" class=\"wp-image-44655\"\/><figcaption>Threads appear at the end of the nut\u2014I think we&#8217;ve basically won at this point&#8230; <br>If you want to DIY this, you could substitute a tall nut. I&#8217;m not sure if they make them with such a large outer diameter, but&#8230; <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"854\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/DSC_9477.jpg\" alt=\"\" class=\"wp-image-44656\"\/><figcaption>After that, there&#8217;s nothing particularly tricky, so I&#8217;ll skip ahead. <br>I flattened both ends of my favorite SUS304 pipe to the same size and drilled holes using the boss pitch from earlier. <br>I cut off the meter-side bracket leg and spent a lot of time deciding on a cool position\u2014eventually settling on around here for the fabrication. <br>It looks like it comes together in a flash, but it actually takes quite a bit of time. <br>About sixty percent of that is spent deliberating. Once you weld it, realizing you made a mistake is the worst, so double-checking is essential. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770780.jpg\" alt=\"\" class=\"wp-image-44657\"\/><figcaption>I rounded the edges with an 8R radius. With a die, it&#8217;s easier and there&#8217;s less sloppiness, I think. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770782.jpg\" alt=\"\" class=\"wp-image-44658\"\/><figcaption>I chamfered it so water doesn&#8217;t get in. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770791.jpg\" alt=\"\" class=\"wp-image-44659\"\/><figcaption>Nobody notices or cares about this extra step, but for parts that would be bad if they fell off, I cut threads. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770792.jpg\" alt=\"\" class=\"wp-image-44660\"\/><figcaption>For example, with this setup, if the nut falls off, the bolt falls out too. <br>It&#8217;s a lock nut so it should be fine, but if the nut does fall off, the threads still hold a bit\u2014you notice it\u2014so it&#8217;s safer. <br>Because frame-mounted steering components are super dangerous, right? <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"854\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/DSC_9476.jpg\" alt=\"\" class=\"wp-image-44661\"\/><figcaption><a href=\"https:\/\/www.daytona.co.jp\/products\/single-94933-genre\">The indicator is the Daytona classic\u2014the BETA Micro Indicator. <\/a><br>Since there are left and right turn signals, you don&#8217;t need to worry about diodes. <br><br>I wish the wiring came out the back, but at this price, I shouldn&#8217;t complain. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770795.jpg\" alt=\"\" class=\"wp-image-44662\"\/><figcaption>Modern wiring is too thin&#8230; it doesn&#8217;t fit the old connectors anymore. The wire is too thin to crimp terminals onto. The troubles never end&#8230; <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"854\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/DSC_9480.jpg\" alt=\"\" class=\"wp-image-44638\"\/><figcaption>I agonized over the placement and went with the safe middle position. It looks nice and stock. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"854\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/DSC_9483.jpg\" alt=\"\" class=\"wp-image-44663\"\/><figcaption>I did a trial layout. *The images are out of order. <br>The time spent thinking about the custom part and the time spent removing and installing it is huge! <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770801.jpg\" alt=\"\" class=\"wp-image-44664\"\/><figcaption>I need to check that the speedometer cable is okay when fully extended. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1280\" height=\"855\" src=\"https:\/\/www.decoboco.info\/wp-content\/uploads\/2019\/04\/P1770800.jpg\" alt=\"\" class=\"wp-image-44665\"\/><figcaption>I removed an extension cable that was on there for some reason. <br>All you air-cooled GPZ750 folks, let&#8217;s add an oil pressure switch next time! <br><br>That wraps it up for today. <\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":44638,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pochipp_cv_data":"","swell_btn_cv_data":"","footnotes":""},"categories":[1924],"tags":[],"class_list":["post-44666","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-everyday-events"],"_links":{"self":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts\/44666","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=44666"}],"version-history":[{"count":0,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts\/44666\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/media\/44638"}],"wp:attachment":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/media?parent=44666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/categories?post=44666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/tags?post=44666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}