This app, paired with the hardware, from BlackBoxDyno.com will accurately measure your minibike's Speed, RPM, Horsepower, Torque, and Gearing. It will also provide a list of vital stats, like 0-30 time and max motor horsepower.
Updated on
Aug 30, 2025
Auto & Vehicles
Data safety
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What’s new
Charts all smooth and easier to read. Torque and horsepower combined on one chart, versus RPM, per industry standard. New Engagement chart shows clutch slip or torque converter impingement. New Resistance chart that shows wind and rolling resistance. Improved, more readable stats page. New calibration mode to determine resistance. More accurate torque and horsepower, based on new calibration. New inertia mode to support a stand-alone inertia flywheel dyno.