Getting Your Port Timing Right for More Power
If you've ever spent an afternoon tearing down a two-stroke engine, you already know that port timing is basically the "brain" of the entire operation. Unlike a four-stroke engine that relies on a complex system of camshafts, valves, and springs to breathe, a two-stroke keeps things elegantly simple—and frustratingly sensitive. In a two-stroke, the piston itself acts as the valve, sliding up and down to uncover holes in the cylinder wall. When those holes are uncovered, how long they stay open, and their specific shape determines exactly how that engine is going to behave. ...