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Message: <blockquote data-quote="Mursal" data-source="post: 5870622" data-attributes="member: 5919">Are you lads turning it in the correct direction [USER=41148]@snipe[/USER]? Exhaust valve will open at the bottom of the power stroke and stay open all through the exhaust stroke (piston coming up). At the top of the exhaust stroke the inlet valve will be open as well (so both valves will be open a bit, also known as valve overlap). Then exhaust valve closes and the inlet valve stays open until the piston is coming well up the compression stroke. Inlet closes and the piston continues up until Top Dead Centre (TDC) with both valves closed. Where you get a spark and the piston goes down on the power stroke. And it all happens again. Hope this helps a bit ........... [MEDIA=youtube]Pu7g3uIG6Zo[/MEDIA]</blockquote>