Re: timming advance

Joe Woods /
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ageed.. the ideal 2-stroke timing advance/retardation curve is almost the exact opposite of 4-stroke engines.

If a programmable ignition is available for a 2-stroke, there's lots of advance at low RPM and it falls off as the engine speeds up ..

Reasons include improved volumetric efficiency at higher RPMs... A larger quantity of cleaner, faster burning mixture requires less advance.

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