Kyajet is the (only) tool for setting up Keihin® carburetors (and similar) and gathering additional information about jets and needles. It provides a nice and clean interface, comprehensive needle data, several comparison possibilities and much more. A perfect companion for all drivers of such carburetors!

Use it to optimize your carburetor settings while on the road. Enter your current setup data and compare them with different alternatives to let your bike perform better.

What’s New

Version 2.0.2

- We did some summer-improvements. Less calories, more fun!

Ratings and Reviews

4.5 out of 5
4 Ratings

4 Ratings

App Privacy

The developer, keywerks GmbH, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

More By This Developer

You May Also Like