Moteobecane 50v variator...should engage engine?

Chad /
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Hello, first post here, trying to resurrect a 1978 Motobecane 50v. I've fixed seized cabling and rust-filled fuel system, went to make first start attempt, but the engine doesn't turn while pedalling. The "disconnect" on the pedal pulley is in the proper position, and drive belt spins the "outer hub" for the variator, but the internal clutch doesn't spin the engine, totally diconnected no matter how fast i pedal.

How can engine spin while pedalling if the clutch isn't engaging?...I really only have a moderate knowledge of theory of operation of this system, and need help getting the engine to spin while pedalling....and oh, I don't have a puller to yank it off and inspect.

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