{"id":8279,"date":"2017-06-08T04:12:54","date_gmt":"2017-06-08T04:12:54","guid":{"rendered":"http:\/\/mazdaman.x10host.com\/sh12987\/"},"modified":"2017-06-08T04:12:54","modified_gmt":"2017-06-08T04:12:54","slug":"sh12987","status":"publish","type":"page","link":"https:\/\/chroot-me.in\/16ND\/sh12987\/","title":{"rendered":"MECHANICAL [SKYACTIV-G 2.0]"},"content":{"rendered":"<div class=\"node node SERVICE_HIGHLIGHTS\">\n    <\/p>\n<div class=\"textleft\">\n<div class=\"attr CONTENT c2\">\n<div class=\"content\">\n          <link rel=\"stylesheet\" type=\"text\/css\" href=\"style.css\" media=\"screen\"><a class=\"prevPage\" href=\"SH12986\">&lt; Previous<\/a> <a class=\"nextPage\" href=\"SH12988\">Next &gt;<\/a><\/p>\n<h2>2016 &#8211; MX-5 &#8211; Engine<\/h2>\n<p><a name=\"id0110h2000100\" id=\"id0110h2000100\"><\/a><\/p>\n<h3>MECHANICAL [SKYACTIV-G 2.0]<\/h3>\n<p><a name=\"id0110h200010001\" id=\"id0110h200010001\"><\/a><\/p>\n<h4>Outline<\/h4>\n<ul type=\"disc\">\n<li>\n<p>The following have been adopted to the SKYACTIV-G 2.0 to reduce sliding resistance <sup>*1<\/sup>.<\/p>\n<\/li>\n<ul type=\"square\">\n<li>\n<p>Rocker arm (built in needle roller bearing)<\/p>\n<\/li>\n<li>\n<p>Reducing the valve spring load<\/p>\n<\/li>\n<li>\n<p>Narrowing down the crankshaft journal<\/p>\n<\/li>\n<li>\n<p>Optimizing the piston skirt shape<\/p>\n<\/li>\n<li>\n<p>Low-tension piston ring<\/p>\n<\/li>\n<li>\n<p>Lowered tensioning of the drive belt<\/p>\n<\/li>\n<\/ul>\n<\/ul>\n<ul type=\"disc\">\n<li>\n<p>HLA has been adopted to achieve a maintenance-free design for valve clearance.<\/p>\n<\/li>\n<li>\n<p>A piston cavity has been adopted to reduce cooling loss.<\/p>\n<\/li>\n<li>\n<p>A variable valve timing mechanism has been adopted on both the intake side and the exhaust side to reduce pumping loss<sup>*2<\/sup>.<\/p>\n<\/li>\n<li>\n<p>The rigidity and shape of the related parts have been optimized to stabilize the timing chain behavior and reduce sliding resistance.<\/p>\n<\/li>\n<li>\n<p>A simple shaped aluminum-alloy cylinder head cover has been adopted.<\/p>\n<\/li>\n<\/ul>\n<dl>\n<dt>*1<\/dt>\n<dd class=\"c1\">Resistance (friction force) which occurs when two object slide against each other. The larger the sliding resistance, the greater the energy loss.<\/dd>\n<dt>*2<\/dt>\n<dd class=\"c1\">Energy loss which occurs from each type of resistance corresponding to intake and exhaust is called pumping loss.<\/dd>\n<\/dl>\n<p><a name=\"id0110h200010002\" id=\"id0110h200010002\"><\/a><\/p>\n<h4>Structural View<\/h4>\n<p align=\"center\"><a href=\"\/16ND\/wp-content\/uploads\/2017\/05\/ARDJJN00001419.GIF\"><img decoding=\"async\" align=\"absmiddle\" border=\"0\" src=\"\/16ND\/wp-content\/uploads\/2017\/05\/ARDJJN00001419.GIF\"><\/a><\/p>\n<p><a name=\"id0110h200010003\" id=\"id0110h200010003\"><\/a><\/p>\n<h4>Structure<\/h4>\n<ul type=\"disc\">\n<li>\n<p>Consists of the following parts:<\/p>\n<\/li>\n<\/ul>\n<table border=\"1\" cellpadding=\"0\" cellspacing=\"@colsep\" bordercolor=\"#CCCCCC\" frame=\"box\" rules=\"all\">\n<tbody valign=\"\" cellspacing=\"1\" rowspan=\"\">\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Cylinder head cover<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH13008\">CYLINDER HEAD COVER [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Cylinder head<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH12989\">CYLINDER HEAD [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Cylinder head gasket<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH12988\">CYLINDER HEAD GASKET [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Cylinder block<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH12990\">CYLINDER BLOCK [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Crankshaft<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH12991\">CRANKSHAFT, MAIN BEARING [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Piston<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH12992\">PISTON, PISTON RING, PISTON PIN [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Connecting rod<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH12993\">CONNECTING ROD, CONNECTING ROD BEARING [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Engine front cover<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH12994\">ENGINE FRONT COVER [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Crankshaft pulley<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH12995\">CRANKSHAFT PULLEY [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Drive belt<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH12996\">DRIVE BELT [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"3\" colspan=\"NaN\">\n<p>Valve mechanism<\/p>\n<p>(See <a href=\"SH12997\">VALVE MECHANISM [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Valve<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH12998\">VALVE, VALVE SPRING, VALVE SEAL, VALVE GUIDE [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>HLA<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH13007\">HYDRAULIC LASH ADJUSTER, ROCKER ARM [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Camshaft<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH12999\">CAMSHAFT [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Timing chain<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH13000\">TIMING CHAIN, CHAIN TENSIONER [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"3\" colspan=\"NaN\">\n<p>Variable valve timing mechanism<\/p>\n<p>(See <a href=\"SH13005\">VARIABLE VALVE TIMING MECHANISM [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>OCV<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH13001\">OIL CONTROL VALVE (OCV) [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Hydraulic variable valve timing actuator<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH13002\">HYDRAULIC VARIABLE VALVE TIMING ACTUATOR [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>Electric variable valve timing actuator<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH13006\">ELECTRIC VARIABLE VALVE TIMING ACTUATOR [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Electric variable valve timing relay<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH13009\">ELECTRIC VARIABLE VALVE TIMING RELAY [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"\" align=\"\" cellspacing=\"\" rowspan=\"\">\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"2\">\n<p>Engine mount<\/p>\n<\/td>\n<td valign=\"middle\" align=\"left\" cellspacing=\"\" rowspan=\"\" colspan=\"NaN\">\n<p>(See <a href=\"SH13003\">ENGINE MOUNT [SKYACTIV-G 2.0]<\/a>.)<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\n          <a class=\"prevPage\" href=\"SH12986\">&lt; Previous<\/a> <a class=\"nextPage\" href=\"SH12988\">Next &gt;<\/a><\/p>\n<div align=\"right\">\n            <a href=\"\"#\">Back to Top<\/a>\n          <\/div>\n<div align=\"center\">\n            <em>\u00a9 2014 Mazda North American Operations, U.S.A.<\/em>\n          <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>&lt; Previous Next &gt; 2016 &#8211; MX-5 &#8211; Engine MECHANICAL [SKYACTIV-G 2.0] Outline The following have been adopted to the SKYACTIV-G 2.0 to reduce sliding resistance *1. Rocker arm (built in needle roller bearing) Reducing the valve spring load Narrowing down the crankshaft journal Optimizing the piston skirt shape Low-tension piston ring Lowered tensioning of the drive belt HLA has been adopted to achieve a maintenance-free design for valve clearance. A piston cavity has been [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-8279","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/8279","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/comments?post=8279"}],"version-history":[{"count":0,"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/pages\/8279\/revisions"}],"wp:attachment":[{"href":"https:\/\/chroot-me.in\/16ND\/wp-json\/wp\/v2\/media?parent=8279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}