Yes. I've also noticed that the outward section is deeper on later production(450's) than the early ones(400's) as well as wider and thicker spoke sections. The reversed version started in 1979 on the CM400 series. The CB's kept the original version until 1980.
I've heard there were wheel failures on the original versions under racing conditions and AHMRA banned the use of them. I haven't found any documentation of this.
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