Yamaha YZF R-3 This is an engine that was tuned by Spears Racing
2019 Stock Yamaha YZF R-3, This is a comparison between the “3rd Run” and after the Spark Yamaha R3 Titanium Evo “konix” full exhaust and Dyno Tuned by Spears Racing using a Dynojet PCV this is the same fuel, added timing to the map. When you purchase the PCV for this bike Spears Racing will include a custom built map.
Graph Lines: is a Stock exhaust, stock engine 87 octane fuel, Spears Racing 415 chain conversion kit 18/56 sprockets.
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