Uploaded April 2015 | Updated September 2026, 1 day ago

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Dyno testing of Minitstops Yamaha WR250R by Dave at lindsaymachineracing.com after installing a 3mm WR250F stroker crank, 290 Athena big bore kit, and flow benched porting by "The Wizard" Dave Lindsay. The follow up video will be the results from all the R&D and motor work, and will be released likely on April 20, 2015 yielding the results.