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Canadian Daves JustKDX
"Whats the big secret!"
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[QUOTE="cujet, post: 1252850, member: 19501"] The big secret is that many 2 stroke engines work well with similar setups. Squish clearance that is fairly tight works well. As a very general rule, squish can be set by displacement. If your cylinder has 500cc displacement, the squish is very likely to be more than if it were a 125. Try somewhere around 0.030-0.035 inches squish clearance. Run super unleaded and don't look back. You can adjust the squish angle too, but it might be better to make one change at a time. It truly is funny how the "hot" setup really is just a simple set of common numbers. Things like exhaust port timing hovering around 200 degrees duration for excellent all around performance, and the (single port) width at slightly less than 70% of the bore dia. Hmmm, the more I think about it, the more I want to discover all these numbers and write them down. Chris [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
"Whats the big secret!"
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