Jetting Vortex KZ1 / KZ2 Kart

Jetting Vortex KZ1 / KZ2 Kart

RTZ, RSZ, RKZ, RVZ, RVXX, RVX

11 ratings
12 reviews
#87 in paid Sports
🔧 Utilities
⚽ Sports
$14.99

Details

  • Released
  • Updated
  • February 7, 2019
  • January 27, 2025

Features

Jetting Vortex KZ1 / KZ2 Kart video #1 for iPhone
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Jetting Vortex KZ1 / KZ2 Kart screenshot #8 for iPhone
Jetting Vortex KZ1 / KZ2 Kart screenshot #9 for iPhone
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Jetting Vortex KZ1 / KZ2 Kart screenshot #11 for iPhone
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About

This app provides 12 jetting recommendations for specific Vortex kart engines with DellOrto VHSH 30 carbs. It uses weather data, engine configuration, and offers fine-tuning options, performance checks, and historical setup tracking.

12 jetting recommendations
Automatic weather data acquisition
Fine-tuning for jetting values
Carburetor performance simulation
History of jetting setups
Graphic display of fuel mix quality
Support for different fuel types and oil ratios
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What's New in Jetting Vortex KZ1 / KZ2 Kart

2.4

January 27, 2025

• Added new feature: get weather (temperature, pressure, humidity) via Bluetooth using weather stations: Kestrel DROP, Kestrel 5x00, WeatherFlow WEATHERmeter, Skywatch BL • Added new feature: added the ability to calibrate the barometer built into your phone or tablet (go to the “Settings“ tab, then “Measurement units“) • Added new feature: added various utilities (unit converters) (go to the “Settings“ tab, then “Utils“) • We have improved our weather calculator significantly. Now you can manually select which type of atmospheric pressure you are working with (for example if you use portable barometers, weather stations): - sea level pressure QNH - sea level pressure QFF - station pressure (barometric pressure) • We added new fuels, this is VP Racing C12, VP Racing 110, VP Racing MRX02, VP RACING MS93, and gasoline with ethanol. It require a richer or leaner carburation than regular premium gasoline • Now, if you don’t want to see intermediate (half-steps) positions for the needle, you can turn it off on the 'Engine' tab • On the results tab, click on the drop-down menu 'Weather (AirLab)', new data for tuners are available: Air Density, Relative Air Density, Density Altitude, Station Pressure, SAE - Dyno Correction Factor, SAE - Relative Horsepower, Volumetric Content Of Oxygen, Oxygen Pressure • Improved functionality for the feature 'Weather for custom location'. We added a search bar where you can enter the location name. Search places easier and faster now • We reworked the altitude determination algorithm for the 'weather for custom location' feature. We hope that now, if you manually selected your location, the altitude will be calculated with much greater accuracy • Bug fixes for 'share setup with friends' feature

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Charts

Top Paid

📉 87-18

Sports

This app dropped -18 positions in Sports chart.

Last updated on July 21, 2026.

User reviews

Jet doesn’t change and needs Rok shifter engine

Need to add ROK Shifter to the engine options, and adjust jetting to show an option for Rok shifter specs on the carb. I can’t get any settings to mirror the specs in rule book and with wildly varying weather conditions it seems to always show a 165 jet.

Good

Jetted my rvxx with the reccomended values and kart runs better!

Good

Jetted my rvxx with the reccomended values and kart runs better!

Funciona muy buen

Lo he usado y es la app q mejor q funciona.

Magnifico

Para mi es un programa magnifico, una herramienta necesaria para tener una buena carburacion.

Developer apps

FAQ

What Vortex engines does Jetting Vortex support?

Jetting Vortex provides jetting recommendations for Vortex RTZ, RSZ, RKZ, RVZ, RVXX, RVX, and RVS engines that have DellOrto VHSH 30 carburetors.

How does Jetting Vortex get weather data?

The app can automatically obtain the user's position and altitude to retrieve weather data (temperature, pressure, humidity) from the nearest weather station via the internet. It can also use an internal barometer on supported devices for enhanced precision or allow manual input if internet connectivity is unavailable.

What specific jetting components can be adjusted in Jetting Vortex?

For each jetting setup, the app provides recommendations and allows fine-tuning for main jet, emulsion tube, needle type and position, throttle valve, idle jet, idle emulsifier, and air screw position.

Can I simulate carburetor performance with Jetting Vortex?

Yes, you can create your carburetor configuration and check its performance within the app. It offers over 90 needles and a large selection of floats to simulate various setups.

Does Jetting Vortex have ads?

No, Jetting Vortex does not contain advertisements. It is a paid application designed for serious users.

What is the price of Jetting Vortex?

Jetting Vortex is available for a one-time purchase of $14.99.

What units of measurement does Jetting Vortex support?

The application supports various units for temperature (ºC, ºF), altitude (meters, feet), fuel (liters, ml, gallons, oz), and pressure (mb, hPa, mmHg, inHg, atm).

How often is Jetting Vortex updated?

The latest version of Jetting Vortex is 2.4, which was last updated on January 27, 2025. This indicates a commitment to ongoing development and improvements.