JD Jetting Kit - KTM 85|MC 85|TC 85

Transform your KTM 85’s performance with the JD Jetting Kit. Stop struggling with "bogging" and inconsistent throttle response. Designed by James Dean, this purpose-built jetting kit is the most effective way to tune your KTM 85 SX for crisp, reliable power across the entire RPM range. Whether you’re racing at sea level or hitting high-altitude trails, this kit eliminates the guesswork of carburetor tuning.

Instant Throttle Response: Custom multi-taper needles provide a noticeable boost in low-end torque and mid-range pull.

Tunability for Any Condition: Includes specific settings and charts for different altitudes (0–12,000ft) and temperatures.

Pro-Level Results, No Expert Needed: Easy-to-follow instructions make installation simple for any rider or mechanic.

Dyno-Tested Performance: Every needle and jet combination is extensively tested to exceed stock and factory options.