Jetting for Honda CR 2T Moto

Jetting for Honda CR 2T Moto [Sports] App Description & Overview

1984-2007 models
This app is using temperature, altitude, humidity, atmospheric pressure and your engine configuration for calculate optimal jetting (carburetor configuration) and spark plug to use for Honda CR 2-strokes MX, Enduro bikes.

This app can obtain automatically the position and altitude to get the temperature, pressure and humidity from the nearest weather station thought internet. Internal barometer is used on supported devices for better precision. If more accuracy is needed, a portable weather station can also be used. Application can run without GPS, WiFi and internet, in this case user has to give the weather data manually.

• For each carburetor configuration, the following values are given: main jet, needle type, needle position, pilot jet, air screw position, throttle valve size, spark plug
• Fine tuning for all these values
• History of all your jetting setups
• Graphic display of fuel mix quality (Air/Flow Ratio or Lambda)
• Selectable fuel type (gasoline with or without ethanol, Racing fuels available, for example: VP C12, VP 110, VP MRX02)
• Adjustable fuel/oil ratio
• Mix wizard to get the perfect mix ratio (fuel calculator)
• Carburetor ice warning
• Possibility of use automatic weather data or a portable weather station
• If you don't want to share your location, you can manually select any place in the world, the carburetor setups will be adapted for this place
• let you use different measure units: ºC y ºF for temperatures, meter and feet for altitude, liters, ml, gallons, oz for fuel, and mb, hPa, mmHg, inHg atm for pressures

Valid for the following 2T models from 1984 to 2007:

• CR80R
• CR80RB
• CR85R
• CR85RB
• CR125R
• CR250R
• CR500R


The application contains four tabs, which are described next:

• Results: In this tab main jet, needle type, needle position, pilot jet, air screw position, throttle valve, spark plug are shown. These data are calculated depending on the weather conditions and the engine configuration given in the next tabs.
This tab lets do a fine tuning adjustment for all this values to adapt to the concrete engine.
Besides this jetting information, the air density, density altitude, relative air density, SAE - dyno correction factor, station pressure, SAE- relative horsepower, volumetric content of oxygen, oxygen pressure are shown too.
On this tab, you can also share your settings with your colleagues, or add settings to your favorites.
You can also see in a graphic form the calculated ratio of air and fuel (lambda).

• History: This tab contains the history of all carburetor setups. If you change the weather, or engine setup, or fine tuning, the new setup will be saved in history.
This tab also contains your favorite settings.

• Engine: You can configure in this screen the information about the engine, that is, engine model, year, spark manufacturer, fuel type, oil mix ratio.

• Weather: In this tab, you can set the values for current temperature, pressure, altitude and humidity.
Also this tab allows to use the GPS to get the current position and altitude, and connect to an external service (you can choose one weather data source from several possible) to get the weather conditions of the nearest weather station (temperature, pressure and humidity).
In addition, this application can work with a pressure sensor built into the iPhone. You can see if it is available on your device and turn it on or off.
Also, on this tab, you can manually select any place in the world, the carburetor setups will be adapted for this place.
Moreover, on this tab, you can enable alerts about possible carburetor icing.


If you have any doubt about using this App, please, contact us. We answer every question, and we take care of all comments from our users to try to improve our software. We are also users of this application.

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Jetting for Honda CR 2T Moto Customer Service, Editor Notes:

• 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 the ability to leave text notes for each history in 'History' tab. To do this, open any History, enter edit mode and add a note • Now you can manually select the translation language. Application contains many special terms and sometimes translations that we offer are not always good. We are sorry. Now, if your phone (for example) in German, but you are unhappy with the translation you can switch to English (for example) only in this app (you don't have to change locale of device). You can find this feature on 'Weather' tab at the very bottom

Jetting for Honda CR 2T Moto Comments & Reviews

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- Must have

very good app, an easy and intuitive interface, but nevertheless there are a lot of necessary options. We use racing fuel VP c12. All jetting recommendations work very well for us, engines work with full power. We saved a lot of time and money.

- Stock carbs only

This is a nice app with one caveat. You are restricted to the stock carburetor of the bike. I’m running a 2001 CR125 on a go kart with a Keihin PWM. That combination is not an option in this app. So, it’s useless for my purpose. Granted, it’s not marketed as a kart tuner, but I was disappointed.

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- Good job

I wired as mechanic in racing team, this app save a lot of time for me.

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- Nice

Easy to use and very valuable information

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Jetting for Honda CR 2T Moto 1.4 Screenshots & Images

Jetting for Honda CR 2T Moto iphone, ipad, apple watch and apple tv screenshot images, pictures.

Jetting for Honda CR 2T Moto iphone images
Jetting for Honda CR 2T Moto iphone images
Jetting for Honda CR 2T Moto iphone images
Jetting for Honda CR 2T Moto iphone images
Jetting for Honda CR 2T Moto iphone images
Jetting for Honda CR 2T Moto iphone images
Jetting for Honda CR 2T Moto iphone images
Jetting for Honda CR 2T Moto iphone images
Jetting for Honda CR 2T Moto iphone images

Jetting for Honda CR 2T Moto (Version 1.4) Install & Download

The applications Jetting for Honda CR 2T Moto was published in the category Sports on 2019-08-13 and was developed by Jet Lab, LLC [Developer ID: 1450856765]. This application file size is 45.89 MB. Jetting for Honda CR 2T Moto - Sports app posted on 2020-10-28 current version is 1.4 and works well on IOS 9.0 and high versions. Google Play ID: com.jetlab.hondacrjetting

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