Originally Posted by RICHARD ZASTROW  You could fire both at 0 & 180 (- spark advance) My 3-cyl. fire all 3 3 times per rev. Only the one in compression actualy ignites. |
I know this is done on 4 strokes with little problem , With 2 strokes the area around bottom dead centre has a combination of exhaust gasses exiting the cylinder and inlet mixture entering via the transfer ports ( Assuming that is the way these little engines work ) A spark firing might not be the best idea ?