Even cagiva can not answer that question just ask them!
No one seem to know but they were only built during -84/-85, the bikes that were not sold during these years in europe were shipped to the US and sold as -86 thru -87/-88 year models.
WM, WMX, WM, DVR-MS.. There are others that I'm not familiar with.
REUTERS Published: May 21, 1996 The Raytheon Company said yesterday that its Raytheon Engineers and Constructors unit would buy the pulp and paper, industrial process engineering and construction assets of Rust International Inc. for $118 million in cash. Rust, based in Birmingham, Ala., is a wholly owned subsidiary of WMX Technologies Inc. Raytheon, based in Lexington, Mass., said that businesses being acquired had annual revenue of about $400 million. Subject to regulatory approval, the purchase is expected to close within two months. Shares of WMX fell 25 cents yesterday, to $35, on the New York Stock Exchange; shares of Raytheon rose 25 cents, to $52.25.