Jetting for Honda CRF 4T motocross, SX, MX, enduro or supercross, off-road race bikes!

This app will help you configure the carb of your 2-strokes Honda CRF bike (CRF 150 R, CRF 250 R, CRF 450 R) to improve its performance. Using temperature, altitude, humidity, atmospheric pressure and oil-mix ratio, the app will show you a recommendation about jetting to your specific bike, so it can be useful to get a spot-on configuration and adapt it to the weather changes. Valid for following models and years:- CRF150R: 2007 - 2014.- CRF250R: 2004 - 2009.- CRF450R: 2002 - 2008.