This is the heart of the manual. A poorly jetted TMX 38 will spooge, bog, or seize. Assume the stock jetting is only correct for sea level at 70°F (21°C).

The Mikuni TMX 38 carburetor is a high-performance carburetor that requires regular maintenance and tuning to optimize engine performance. By following the procedures outlined in this article and consulting the Mikuni TMX 38 carburetor manual, you can keep your carburetor running smoothly and efficiently.

The Mikuni TMX 38 is the gold standard for high-performance 2-stroke engines. Known for its flat-slide design, it provides instant throttle response and high-RPM flow that round-slide carbs simply can't match.