I would say first step would be to pull your plugs and look at them. geyish brown or light brown is good jetting, white is lean and , sooty or black is rich.
Dyno is better once you have it close so you know at what throttle or RPM range it is doing what and then adjust accordingly.

I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!