Jetting CR125 Shifter Kart

A weather-aware jetting calculator built for Honda CR125 shifter karts. It analyzes temperature, humidity, and elevation to recommend safe, fast carburetor settings for trackside tuning. Core features include real‑time or manual weather input, precise jet recommendations for main, pilot, needle clip, and air screw, plus track profiles and setup history for quick reuse. Ideal for racers and mechanics who want consistent performance, engine protection, and data-driven decisions. Keywords: CR125 shifter kart, kart jetting calculator, 2-stroke carburetor tuning, weather-based jetting, air density, trackside tuning.