Needles & jets
Compare needle geometries, main jets and pilot jets and understand changes across the complete throttle range.
Carburetor tuning. Precise. Anywhere.
Kyajet Pro
Professional support for tuning Keihin PWK carburetors – in the app and in your browser.
iPhone & iPad · Web version · 7 languages
Keihin® PWK2-StrokeSetup AnalysisDark Mode7 LanguagesNo Account
Kyajet Pro
Tools for traceable tuning decisions
Kyajet Pro combines calculation, comparison and setup management in one consistent workflow.
Setup analysis
Evaluate an existing setup systematically and get traceable guidance for the next tuning decision.
Environment control
Include temperature, altitude, air pressure and humidity when evaluating air density.
Manage setups
Save, import, export and share setups – without a mandatory cloud account.
Mobile + Browser
One tool, two ways to work
Use Kyajet Pro on iPhone or iPad on the go and the full browser version on desktop. QR-based website sessions connect both worlds without a user account.
Kyajet Pro app
Optimized for quick checks, setup analysis and work directly at the vehicle.
Web app
More space for comparisons, charts and detailed setup work on desktop.
app.kyajet.de
Privacy
Your setups stay under your control
Kyajet Pro does not use advertising tracking. Setups are processed and stored locally unless a specific feature explicitly requires otherwise.
Frequently asked questions
Does Kyajet Pro require an account?
No. The app and browser version can be used without a conventional user account.
Is Android already available?
The Android version is in preparation. Google Play will be enabled once publication is complete.
Which carburetors are supported?
The current calculation focus is Keihin PWK carburetors for 2-stroke engines.
Kyajet Pro
Try Kyajet Pro
Use the app on iPhone and iPad or open the browser version.