Uploaded January 2026 | Updated September 2026, 5 hours ago

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420cc Minibike RIPS on the Home Dyno – Horsepower Revealed!
From garage build to dyno run, the 420cc big-block Doodlebug tested on the Black Box Dyno.

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BLACKBOX DYNO - blackboxdyno.com

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Please do not try to re-enact or recreate anything you see in these videos.
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