Mikuni Pocket Tuners MK550

These Mikuni Pocket Tuners are handy, pocket-sized slide calculators which can be used to determine the required jetting changes in your Mikuni carburetors due to ambient temperature, altitude, or both. They can also provide a guide for determining rich or lean carburetor conditions. The Pocket Tuners are applicable to both single and multi-carburetor applications on 2 and 4-stroke engines. You need the right tools and knowledge to run with the best, and these Mikuni Pocket Tuners will help you to ride strong.