An Autopsy Of A 2020 Yamaha YZF-R1 Race Engine, In The January Issue

An Autopsy Of A 2020 Yamaha YZF-R1 Race Engine, In The January Issue

© 2024, Roadracing World Publishing, Inc.

 Featured In the January 2024 issue of Roadracing World:

        Urban legend says Henry Ford once commissioned a study of Ford cars in junkyards. The researcher reported back that they found that the cars had died for all sorts of reasons: Transmissions, crankshafts, broken pistons, etc. The researcher did offer that, on the upside, all the king pin bushings in the front suspension were in excellent condition.

        “Make the kingpin bushings cheaper,” was Ford’s response.

         That unverified and argued-over anecdote could explain why the king pin bushings on my 1970 E100 were garbage. It also could illustrate how manufacturers may aim to have all the parts wear out at the same rate, as well as strive to deliver performance at a price point…

            “An Autopsy Of A 2020 Yamaha YZF-R1 Race Engine,” by Sam Fleming


            In the interest of science, Sam Fleming enlisted Michael Godin from KWS Motorsports to tear down a 4,000-mile Army Of Darkness race engine and provide an independent assessment of its condition and a recommendation for how to proceed if it was a track day/streetbike instead of an engine intended to win the 2023 N2 WERA National Endurance Championship. This is what Godin found—and it’s in the latest issue of Roadracing World.



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