{"id":102257,"date":"2025-08-06T21:53:14","date_gmt":"2025-08-07T01:53:14","guid":{"rendered":"https:\/\/discountrcparts.com\/index.php\/product\/kyosho-mr-04-rwd-mini-z-readyset-w-sauber-mercedes-c9-1988-body-blue-w-kt-531p-2-4ghz-radio\/"},"modified":"2026-03-27T21:27:10","modified_gmt":"2026-03-28T02:27:10","slug":"kyosho-mr-04-rwd-mini-z-readyset-w-sauber-mercedes-c9-1988-body-blue-w-kt-531p-radio","status":"publish","type":"product","link":"https:\/\/discountrcparts.com\/index.php\/product\/kyosho-mr-04-rwd-mini-z-readyset-w-sauber-mercedes-c9-1988-body-blue-w-kt-531p-radio\/","title":{"rendered":"Kyosho MR-04 RWD Mini-Z Readyset w\/Sauber Mercedes C9 1988 Body (Blue) w\/KT-531P Radio"},"content":{"rendered":"<h2>Kyosho Mini-Z MR-04 RWD ReadySet \u2013 Sauber Mercedes C9 1988<\/h2>\n<p>The <strong>Kyosho MR-04 Mini-Z RWD ReadySet<\/strong> with the iconic <strong>Sauber Mercedes C9 1988 body<\/strong> is an advanced 1\/27-scale on-road electric race car built for precision and performance. With improvements over the MR-03 platform, including a lower center of gravity and refined suspension, the MR-04 offers more control, sharper steering, and smoother handling for both casual drivers and competitive racers. This ReadySet package includes everything you need to get started\u2014just add batteries!<\/p>\n<h3>Includes:<\/h3>\n<ul>\n<li>(1) Factory Assembled MR-04 RWD Chassis<\/li>\n<li>(1) Pre-Painted Sauber Mercedes C9 1988 Body<\/li>\n<li>(1) Perfex KT-531P 2.4GHz Transmitter<\/li>\n<li>(1) Front Tread Adjustment Parts Set<\/li>\n<li>(4) Pinion Gears (6T, 7T, 8T, 9T)<\/li>\n<li>(1) Pinion Gear Tool<\/li>\n<li>(1) Wheel Wrench<\/li>\n<li>Product Manual<\/li>\n<\/ul>\n<h3>Needed to Complete:<\/h3>\n<ul>\n<li>(4) AAA Batteries for the Transmitter<\/li>\n<li>(4) AAA Batteries for the Chassis<\/li>\n<\/ul>\n<h3>Features:<\/h3>\n<ul>\n<li>Fully assembled ReadySet with included radio system<\/li>\n<li>Low center of gravity for improved cornering and responsiveness<\/li>\n<li>Updated steering geometry and integrated kingpin design for sharper steering<\/li>\n<li>Refined suspension improves tire contact and ride smoothness<\/li>\n<li>Rear coil spring damper (upgradeable to oil-filled shock)<\/li>\n<li>Geared differential provides smooth cornering<\/li>\n<li>Full ball bearing spec and optional gyro support (KYOMZW711, sold separately)<\/li>\n<li>Detailed and officially licensed Sauber Mercedes C9 1988 body<\/li>\n<\/ul>\n<h3>Specifications:<\/h3>\n<ul>\n<li><strong>Scale:<\/strong> Mini-Z (1\/27)<\/li>\n<li><strong>Drive:<\/strong> RWD<\/li>\n<li><strong>Power Source:<\/strong> Electric<\/li>\n<li><strong>Length:<\/strong> 7.1 in (181 mm)<\/li>\n<li><strong>Wheelbase:<\/strong> 4.0 in (102 mm) \u2013 Long<\/li>\n<li><strong>Width:<\/strong> 3.0 in (78 mm)<\/li>\n<li><strong>Height:<\/strong> 1.57 in (40 mm)<\/li>\n<li><strong>Weight:<\/strong> 4.5 oz (130 g)<\/li>\n<li><strong>Motor:<\/strong> Brushed 130-class<\/li>\n<li><strong>ESC:<\/strong> Brushed<\/li>\n<li><strong>Wheels:<\/strong> Mini front &amp; rear<\/li>\n<li><strong>Front\/Rear Tire Offset:<\/strong> Narrow 0.0 mm (RWD)<\/li>\n<li><strong>Assembly Level:<\/strong> RTR (Ready-to-Run)<\/li>\n<\/ul>\n<p><em>*Note:<\/em> The included KT-531P transmitter uses FHSS 2.4GHz and is not compatible with older ASF, MHS, or FHS 2.4GHz systems.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kyosho Mini-Z MR-04 RWD ReadySet \u2013 Sauber Mercedes C9 1988 The Kyosho MR-04 Mini-Z RWD ReadySet with the iconic Sauber Mercedes C9 1988 body is an advanced 1\/27-scale on-road electric race car built for precision and performance. With improvements over the MR-03 platform, including a lower center of gravity and refined suspension, the MR-04 offers [&hellip;]<\/p>\n","protected":false},"featured_media":102314,"template":"","meta":[],"product_brand":[],"product_cat":[433],"product_tag":[],"class_list":{"0":"post-102257","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-mini-z","7":"product_shipping_class-free","9":"first","10":"outofstock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kyosho MR-04 RWD Mini-Z Readyset w\/Sauber Mercedes C9 1988 Body (Blue) w\/KT-531P Radio - Discount RC Parts<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/discountrcparts.com\/index.php\/product\/kyosho-mr-04-rwd-mini-z-readyset-w-sauber-mercedes-c9-1988-body-blue-w-kt-531p-radio\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kyosho MR-04 RWD Mini-Z Readyset w\/Sauber Mercedes C9 1988 Body (Blue) w\/KT-531P Radio - Discount RC Parts\" \/>\n<meta property=\"og:description\" content=\"Kyosho Mini-Z MR-04 RWD ReadySet \u2013 Sauber Mercedes C9 1988 The Kyosho MR-04 Mini-Z RWD ReadySet with the iconic Sauber Mercedes C9 1988 body is an advanced 1\/27-scale on-road electric race car built for precision and performance. With improvements over the MR-03 platform, including a lower center of gravity and refined suspension, the MR-04 offers [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/discountrcparts.com\/index.php\/product\/kyosho-mr-04-rwd-mini-z-readyset-w-sauber-mercedes-c9-1988-body-blue-w-kt-531p-radio\/\" \/>\n<meta property=\"og:site_name\" content=\"Discount RC Parts\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-28T02:27:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/discountrcparts.com\/wp-content\/uploads\/2025\/08\/KYO32362KR_01.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/discountrcparts.com\/index.php\/product\/kyosho-mr-04-rwd-mini-z-readyset-w-sauber-mercedes-c9-1988-body-blue-w-kt-531p-radio\/\",\"url\":\"https:\/\/discountrcparts.com\/index.php\/product\/kyosho-mr-04-rwd-mini-z-readyset-w-sauber-mercedes-c9-1988-body-blue-w-kt-531p-radio\/\",\"name\":\"Kyosho MR-04 RWD Mini-Z Readyset w\/Sauber Mercedes C9 1988 Body (Blue) w\/KT-531P Radio - 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