He installed the new cylinder. Instantly, a floating graph appeared: Power Curve – before (blue) / after (red) . The red line climbed like a scalded cat. But then, a warning flashed in crimson: THERMAL RUNOFF RISK. CARBURETOR JETTING INSUFFICIENT.
He clicked "Start Demo."
While the full version allows custom port height adjustments and exhaust stinger diameters, the demo typically lets you choose from presets: Simson Tuning Werkstatt 3d Demo